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Conserved domains on  [gi|449784874|ref|NP_001263377|]
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epididymal-specific lipocalin-6 isoform 1 precursor [Mus musculus]

Protein Classification

lipocalin/fatty acid-binding family protein( domain architecture ID 3669)

lipocalin/fatty acid-binding family protein contains a large beta-barrel cavity that binds hydrophobic ligands

CATH:  2.40.128.20
Gene Ontology:  GO:0036094
PubMed:  11058745|11058743

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
lipocalin_FABP super family cl10502
lipocalin/cytosolic fatty acid-binding protein family; Lipocalins are diverse, mainly low ...
21-164 1.54e-107

lipocalin/cytosolic fatty acid-binding protein family; Lipocalins are diverse, mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules as well as membrane bound-receptors. They have a large beta-barrel ligand-binding cavity. Members include retinol-binding protein, retinoic acid-binding protein, complement protein C8 gamma, Can f 2, apolipoprotein D, extracellular fatty acid-binding protein, beta-lactoglobulin, oderant-binding protein, and bacterial lipocalin Blc. Lipocalins are involved in many important processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty acid-binding proteins also bind hydrophobic ligands in a non-covalent, reversible manner, and are involved in protection and shuttling of fatty acids within the cell, and in acquisition and removal of fatty acids from intracellular sites.


The actual alignment was detected with superfamily member cd19426:

Pssm-ID: 471979  Cd Length: 144  Bit Score: 306.54  E-value: 1.54e-107
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 449784874  21 AVWLGRLDPKQLLGPWYVLAVASRAKDFMVEKDMKNVEGVVVTLTPDNKLRVESSRHGPGGCHQSTVELLKQESRWVFEN 100
Cdd:cd19426    1 AVWLGRLDPKQLLGPWYVLAVASREKSFAVEKDMKNVAGVVVTLTPENNLRVLSSQHGLGGCSQSVTELLKRNSGWVFEN 80
                         90       100       110       120       130       140
                 ....*....|....*....|....*....|....*....|....*....|....*....|....
gi 449784874 101 PSLGILDYRVLGTNFKDYAVVFTQLEFGDEVFNTVSLYSRTEMASHEAMQLFTKWSQGLGFLSQ 164
Cdd:cd19426   81 PSIGVLELRVLGTNFRDYAIVFTQLEFGDEPFNTVELYSRTETASQEAMGLFTKWSRGLGFLSQ 144
 
Name Accession Description Interval E-value
lipocalin_6 cd19426
Epididymal-specific lipocalin-6; Epididymal-specific lipocalin-6 (LCN6) may play a role in ...
21-164 1.54e-107

Epididymal-specific lipocalin-6; Epididymal-specific lipocalin-6 (LCN6) may play a role in male fertility. It belongs to the lipocalin/cytosolic fatty-acid binding protein family which has a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381201  Cd Length: 144  Bit Score: 306.54  E-value: 1.54e-107
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 449784874  21 AVWLGRLDPKQLLGPWYVLAVASRAKDFMVEKDMKNVEGVVVTLTPDNKLRVESSRHGPGGCHQSTVELLKQESRWVFEN 100
Cdd:cd19426    1 AVWLGRLDPKQLLGPWYVLAVASREKSFAVEKDMKNVAGVVVTLTPENNLRVLSSQHGLGGCSQSVTELLKRNSGWVFEN 80
                         90       100       110       120       130       140
                 ....*....|....*....|....*....|....*....|....*....|....*....|....
gi 449784874 101 PSLGILDYRVLGTNFKDYAVVFTQLEFGDEVFNTVSLYSRTEMASHEAMQLFTKWSQGLGFLSQ 164
Cdd:cd19426   81 PSIGVLELRVLGTNFRDYAIVFTQLEFGDEPFNTVELYSRTETASQEAMGLFTKWSRGLGFLSQ 144
Lipocalin pfam00061
Lipocalin / cytosolic fatty-acid binding protein family; Lipocalins are transporters for small ...
33-161 3.41e-10

Lipocalin / cytosolic fatty-acid binding protein family; Lipocalins are transporters for small hydrophobic molecules, such as lipids, steroid hormones, bilins, and retinoids. The family also encompasses the enzyme prostaglandin D synthase (EC:5.3.99.2). Alignment subsumes both the lipocalin and fatty acid binding protein signatures from PROSITE. This is supported on structural and functional grounds. The structure is an eight-stranded beta barrel.


Pssm-ID: 395015  Cd Length: 143  Bit Score: 56.68  E-value: 3.41e-10
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 449784874   33 LGPWYVLAVASRAKDFMVEKDMKNVEgVVVTLTPDNKLRVESSRHGPGGCHQSTVELLKQESRWVFE---NPSLGILDYR 109
Cdd:pfam00061   1 SGKWYLIASANFNELEEEMKALGVGF-ATIKVLENGNLPVTEITKEGGKCKTVSVTFKKTEEPGKLGvefDEYAGGRKVK 79
                          90       100       110       120       130
                  ....*....|....*....|....*....|....*....|....*....|..
gi 449784874  110 VLGTNFKDYAVVFTQLEFGDEVFNTVSLYSRTEMASHEAMQLFTKWSQGLGF 161
Cdd:pfam00061  80 VLTTDYDNYLIFYQKGDKDGKTTIVRELYGRDPELSPELLEKFKKFLKELGI 131
 
Name Accession Description Interval E-value
lipocalin_6 cd19426
Epididymal-specific lipocalin-6; Epididymal-specific lipocalin-6 (LCN6) may play a role in ...
21-164 1.54e-107

Epididymal-specific lipocalin-6; Epididymal-specific lipocalin-6 (LCN6) may play a role in male fertility. It belongs to the lipocalin/cytosolic fatty-acid binding protein family which has a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381201  Cd Length: 144  Bit Score: 306.54  E-value: 1.54e-107
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 449784874  21 AVWLGRLDPKQLLGPWYVLAVASRAKDFMVEKDMKNVEGVVVTLTPDNKLRVESSRHGPGGCHQSTVELLKQESRWVFEN 100
Cdd:cd19426    1 AVWLGRLDPKQLLGPWYVLAVASREKSFAVEKDMKNVAGVVVTLTPENNLRVLSSQHGLGGCSQSVTELLKRNSGWVFEN 80
                         90       100       110       120       130       140
                 ....*....|....*....|....*....|....*....|....*....|....*....|....
gi 449784874 101 PSLGILDYRVLGTNFKDYAVVFTQLEFGDEVFNTVSLYSRTEMASHEAMQLFTKWSQGLGFLSQ 164
Cdd:cd19426   81 PSIGVLELRVLGTNFRDYAIVFTQLEFGDEPFNTVELYSRTETASQEAMGLFTKWSRGLGFLSQ 144
lipocalin_L-PGDS cd19419
lipocalin-type prostaglandin D synthase; Lipocalin-type prostaglandin D synthase (L-PGDS; EC:5. ...
28-162 1.87e-20

lipocalin-type prostaglandin D synthase; Lipocalin-type prostaglandin D synthase (L-PGDS; EC:5.3.99.2) is a secreted enzyme and the second most abundant protein in human cerebrospinal fluid. L-PGDS acts as both, an enzyme and as a lipid transporter, converting prostaglandin H2 to prostaglandin D2 and serving as a carrier for hydrophobic ligands including retinoids, hemoglobin metabolites, thyroid hormones, gangliosides, and fatty acids. L-PGDS belongs to the lipocalin/cytosolic fatty-acid binding protein family which has a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381194  Cd Length: 158  Bit Score: 84.71  E-value: 1.87e-20
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 449784874  28 DPKQLLGPWYVLAVASRAKDFMVEKDMKNVEGVVVTLTPDNKLRVESSRHGPGGCHQSTVELLK--QESRWVFENPSLGI 105
Cdd:cd19419    6 DLDKFAGRWYSVGLASNSNWFVEKKAKLKMCTTVVAPTTDGNLNLTMTFLKKNGCETRTYLYEKteQPGRFTYKSPRWGS 85
                         90       100       110       120       130
                 ....*....|....*....|....*....|....*....|....*....|....*...
gi 449784874 106 L-DYRVLGTNFKDYAVVFTQLEFGDEVFNTVSLYSRTEMASHEAMQLFTKWSQGLGFL 162
Cdd:cd19419   86 DhDVRVVETNYDEYALVHTIKTKGNEEFTMVTLYSRTQTLRPELKEKFRQFAKAQGFT 143
lipocalin_15-like cd19422
lipocalin 15 and similar proteins, such as chicken CALbeta; This subfamily includes ...
31-171 5.52e-17

lipocalin 15 and similar proteins, such as chicken CALbeta; This subfamily includes uncharacterized human lipocalin 15, and chicken chondrogenesis-associated lipocalin (CAL) beta which is associated with chondrogenesis and inflammation. It belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381197  Cd Length: 143  Bit Score: 74.90  E-value: 5.52e-17
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 449784874  31 QLLGPWYVLAVASRAKDFMVEKDMKNVEGVVVTLTPDNKLRVESSRHGPGGCHQSTVELLKQESRWVFENPSLGILDYRV 110
Cdd:cd19422    1 KFAGLWHVMAMASDCPVFLGMKDHMTSSTTAIRPTPEGDLTMHTEFPLPDGCKQIEAEFQKSGQAGHFRVPELGKRDLRV 80
                         90       100       110       120       130       140
                 ....*....|....*....|....*....|....*....|....*....|....*....|.
gi 449784874 111 LGTNFKDYAVVFTQLEFGDEVFNTVSLYSRTEMASHEAMQLFTKWSQGLGFLSQQQAQLQK 171
Cdd:cd19422   81 MDTDYSSYAILYIYKELEGESSTMVQLYTRNQDVSPQLLQKFKELYPTLGLTEDMMVILPK 141
lipocalin_FABP cd00301
lipocalin/cytosolic fatty acid-binding protein family; Lipocalins are diverse, mainly low ...
31-140 4.34e-16

lipocalin/cytosolic fatty acid-binding protein family; Lipocalins are diverse, mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules as well as membrane bound-receptors. They have a large beta-barrel ligand-binding cavity. Members include retinol-binding protein, retinoic acid-binding protein, complement protein C8 gamma, Can f 2, apolipoprotein D, extracellular fatty acid-binding protein, beta-lactoglobulin, oderant-binding protein, and bacterial lipocalin Blc. Lipocalins are involved in many important processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty acid-binding proteins also bind hydrophobic ligands in a non-covalent, reversible manner, and are involved in protection and shuttling of fatty acids within the cell, and in acquisition and removal of fatty acids from intracellular sites.


Pssm-ID: 381182  Cd Length: 109  Bit Score: 71.81  E-value: 4.34e-16
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 449784874  31 QLLGPWYVLAVASRAKdfmvEKDMKNVEGVVVTLTPDNKLRVESSRHGPGGCHQSTVELLKQESRWVFE---NPSLGILD 107
Cdd:cd00301    1 KFSGKWYEVASASNAP----EEDEGKCTTAEYTLEGNGNLKVTNSFVRDGVCKSITGTLKKTDGPGKFTvtyPGYTGKNE 76
                         90       100       110
                 ....*....|....*....|....*....|...
gi 449784874 108 YRVLGTNFKDYAVVFTQLEFGDEVFNTVSLYSR 140
Cdd:cd00301   77 LYVLSTDYDNYAIVYSCKNLDGGHTVVAWLLSR 109
Lipocalin pfam00061
Lipocalin / cytosolic fatty-acid binding protein family; Lipocalins are transporters for small ...
33-161 3.41e-10

Lipocalin / cytosolic fatty-acid binding protein family; Lipocalins are transporters for small hydrophobic molecules, such as lipids, steroid hormones, bilins, and retinoids. The family also encompasses the enzyme prostaglandin D synthase (EC:5.3.99.2). Alignment subsumes both the lipocalin and fatty acid binding protein signatures from PROSITE. This is supported on structural and functional grounds. The structure is an eight-stranded beta barrel.


Pssm-ID: 395015  Cd Length: 143  Bit Score: 56.68  E-value: 3.41e-10
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 449784874   33 LGPWYVLAVASRAKDFMVEKDMKNVEgVVVTLTPDNKLRVESSRHGPGGCHQSTVELLKQESRWVFE---NPSLGILDYR 109
Cdd:pfam00061   1 SGKWYLIASANFNELEEEMKALGVGF-ATIKVLENGNLPVTEITKEGGKCKTVSVTFKKTEEPGKLGvefDEYAGGRKVK 79
                          90       100       110       120       130
                  ....*....|....*....|....*....|....*....|....*....|..
gi 449784874  110 VLGTNFKDYAVVFTQLEFGDEVFNTVSLYSRTEMASHEAMQLFTKWSQGLGF 161
Cdd:pfam00061  80 VLTTDYDNYLIFYQKGDKDGKTTIVRELYGRDPELSPELLEKFKKFLKELGI 131
lipocalin_Ex-FABP-like cd19439
extracellular fatty acid-binding protein; Ex-FABP (also known as siderocalin, lipocalin Q83 or ...
31-154 2.42e-08

extracellular fatty acid-binding protein; Ex-FABP (also known as siderocalin, lipocalin Q83 or protein Ch21) displays a dual ligand binding mode as it can bind siderophore and fatty acids simultaneously. ExFABP has a cavity which extends through the protein and has two separate ligand specificities, one for bacterial siderophores at one end, and other specifically binding co-purified lysophosphatidic acid (LPA), a potent cell signaling molecule, at the other end. As well as acting as an LPA "sensor", Ex-FABP is bacteriostatic, and tightly binds the 2,3-catechol-type ferric siderophores enterobactin, bacillibactin, and parabactin, associated with enteric bacteria and Gram-positive bacilli. This group belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381214  Cd Length: 142  Bit Score: 51.51  E-value: 2.42e-08
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 449784874  31 QLLGPWYVLAVASRAKDFMVEKDMKNVEGVVVTLTPDNKLRVESSRHGPGGCH--QSTVELLKQESRWVFENpslgilDY 108
Cdd:cd19439    3 ELAGKWYLVALASNTDFFLREKGKMKMMMARISFLGEDELLVSYAFPSPGGCRkwETTFKKTSDDGEVYYSE------EA 76
                         90       100       110       120       130
                 ....*....|....*....|....*....|....*....|....*....|
gi 449784874 109 R----VLGTNFKDYAVVFTQLEFGDEVFNTVSLYSRTEMASHEAMQLFTK 154
Cdd:cd19439   77 RktveVLDTDYKSYAVIYATRVKDGRTLHMMRLYSRSQEVSPEAEAIFRK 126
lipocalin_C8gamma cd19417
complement protein C8 gamma; Human complement protein C8 gamma, together with C8alpha and ...
25-141 5.14e-07

complement protein C8 gamma; Human complement protein C8 gamma, together with C8alpha and C8beta, form one of five components of the cytolytic membrane attack complex (MAC), a pore-like structure that assembles on bacterial membranes. C8alpha and C8gamma form a disulfide-linked heterodimer that is noncovalently associated with C8beta. MAC plays an important role in the defense against gram-negative bacteria and other pathogenic organisms. C8gamma belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381192  Cd Length: 162  Bit Score: 48.21  E-value: 5.14e-07
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 449784874  25 GRLDPKQLLGPWYVLAVASRAKdFMVEKDMKnVEGVVVTLT-PDNKLRVESSRHGPGGCHQstvelLKQESRwvfENPSL 103
Cdd:cd19417    4 QNFDIQQFSGKWYLVAVASACR-YLQESGHK-VEATVLTVApPKTTVAVSTFRKLNGICWE-----IKQEYG---KTGTL 73
                         90       100       110       120       130
                 ....*....|....*....|....*....|....*....|....*....|...
gi 449784874 104 GIL-----------DYRVLGTNFKDYAVVFTQ----LefgdevfnTVSLYSRT 141
Cdd:cd19417   74 GRFllkarrprgntDIVVGETDYSSYAILYYQragkL--------TMKLYGRS 118
lipocalin_2-like cd19457
lipocalin 2 and similar proteins; Lipocalin-2 (LCN2, also known as siderocalin, uterocalin, ...
31-161 9.79e-07

lipocalin 2 and similar proteins; Lipocalin-2 (LCN2, also known as siderocalin, uterocalin, oncogene 24p3, and neutrophil gelatinase-associated lipocalin) is expressed in renal, endothelial, liver, smooth muscle cells, cardiomyocytes, in various populations of immune cells and dendritic cells. Roles ascribed to LCN2, include chemotactic and bacteriostatic effects, and iron trafficking. LCN2 can also act as a growth factor. It plays an key role in the pathophysiology of renal and cardiovascular diseases, and is involved in various deleterious processes, such as inflammation and fibrosis. It is used as a renal injury biomarker. This subgroup belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381232  Cd Length: 173  Bit Score: 47.37  E-value: 9.79e-07
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 449784874  31 QLLGPWYVLAVASRAKDFMVEKDMkNVEGVVVTLTPDNKLRVESSRHGPGGCHQSTVELLK--QESRWVFEN----PSLG 104
Cdd:cd19457   23 QFQGKWYVIGVAGNTIQNESLSQL-TMYSTIYELKDDHSYNVTSILFRDKGCEHWIRTFVPsvQPGQFTLGNitsyPGLQ 101
                         90       100       110       120       130
                 ....*....|....*....|....*....|....*....|....*....|....*..
gi 449784874 105 ILDYRVLGTNFKDYAVVFTQLEFGDEVFNTVSLYSRTEMASHEAMQLFTKWSQGLGF 161
Cdd:cd19457  102 SYTVRVVATDYNQFAMVFFKKTSENRVYFEITLYGRTKELSPELKERFIKFSKSLGL 158
lipocalin_5_8-like cd19421
lipocalin similar to human epididymal-specific lipocalin-8, mouse lipocalin-5 and -8, and ...
25-154 1.67e-06

lipocalin similar to human epididymal-specific lipocalin-8, mouse lipocalin-5 and -8, and similar proteins; Lipocalin 5 (LCN5; also known as epididymal retinoic acid binding protein Erabp, mouse epididymal protein 10, MEP10, and E-RABP) and Lipocalin 8 (LCN8; also known as mouse epididymal protein 17, MEP17) are homologous proteins belonging to the epididymis-specific lipocalins; they may play a role in male fertility, and may act as retinoid carrier proteins within the epididymis. In mice, genes encoding the two proteins are contiguous; in humans, there is one gene LCN8 (which has been previously called LCN5). This group belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381196  Cd Length: 150  Bit Score: 46.45  E-value: 1.67e-06
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 449784874  25 GRLDPKQLLGPWYVLAVASRAKdfMVEKDMKNVEGVVVTLTPDNkLRVESSRHGPGGCHQSTVELLKQESRWVFENPslG 104
Cdd:cd19421    3 KDLDISKILGFWYEVAVASDQG--LVLHAEERVEGLFLTLSGNN-LTVKTTYNSSGSCVLEKVTGSEGDGPGKFAFP--G 77
                         90       100       110       120       130
                 ....*....|....*....|....*....|....*....|....*....|.
gi 449784874 105 ILDYRVLGTNFKDYAVVFTQLEFGDEVFNTVSLYSRT-EMASHEAMQLFTK 154
Cdd:cd19421   78 KREIHVLDTDYETYAILDITLLWAGRNFRVLKYFTRSlEDDDGEGFWNFRE 128
lipocalin_10-like cd19425
Epididymal-specific lipocalin-10 and similar proteins; Epididymal-specific lipocalin-10 (LCN10) ...
34-141 3.92e-06

Epididymal-specific lipocalin-10 and similar proteins; Epididymal-specific lipocalin-10 (LCN10) may play a role in male fertility, and may act as a retinoid carrier protein within the epididymis. It belongs to the lipocalin/cytosolic fatty-acid binding protein family which has a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381200  Cd Length: 111  Bit Score: 44.57  E-value: 3.92e-06
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 449784874  34 GPWYVLAVASRAKDFMVEKDMKNVEGVVVTLTPDNKLRVESSRHGPGGChqSTVELLKQESRWVFENPSLGILDYRVLGT 113
Cdd:cd19425    7 GFWYILATATDAQGFLPARDKRKLGASVVKVHKVGQLRVVLAFRRGQGC--GRAQLKKPGTSGHLWASLKGVKGFHVLST 84
                         90       100
                 ....*....|....*....|....*...
gi 449784874 114 NFKdYAVVFTQLEFGDEVFNTVSLYSRT 141
Cdd:cd19425   85 DYS-YGLVYLRLGRATQNYKNLLLFHRQ 111
lipocalin_A1M-like cd19418
lipocalin domain of alpha1-microglobulin and similar proteins; Alpha(1)-microglobulin (A1M, ...
31-141 3.66e-05

lipocalin domain of alpha1-microglobulin and similar proteins; Alpha(1)-microglobulin (A1M, also known as protein AMBP, alpha-1 microglycoprotein, and protein HC), has immunosuppressive properties, such as inhibition of antigen induced lymphocyte cell-proliferation, cytokine secretion, and oxidative burst of neutrophils. A1M may participate in the reducing and scavenging of biological pro-oxidants such as heme and heme-proteins. It binds heme strongly, and a C-terminally processed form of the protein degrades the heme. It can reduce cytochrome C, nitroblue tetrazolium, methemoglobin and free iron, using NADH, NADPH or ascorbate as cofactor. Intravenous administration of recombinant A1M in animal models eliminates or significantly reduces the manifestations of preeclampsia. A1M is a useful biomarker in clinical diagnostics for monitoring pre-eclampsia, hepatitis E, renal tubular dysfunction, and renal toxicity. A1M belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381193  Cd Length: 163  Bit Score: 42.82  E-value: 3.66e-05
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 449784874  31 QLLGPWYVLAVASRAKDFMVEKDMKNVEGVVVTLTP-DNKLRVESSRHGPGGCHQ--STVELLKQESRWVFENPSLGI-L 106
Cdd:cd19418   12 RIYGKWYDLAVGSTCPWLKRIKDKMAIGTLVLQEGAtGAELSMTRTRLRRGTCEEisGEYEKTDTPGKFLYHKSKWNAtV 91
                         90       100       110
                 ....*....|....*....|....*....|....*.
gi 449784874 107 DYRVLGTNFKDYAVVFT-QLEFGDEVFNTVSLYSRT 141
Cdd:cd19418   92 DAYVVHTNYDEYAIFLMkKFKRHGEPTTTLKLYGRT 127
lipocalin_2_12-like cd19432
lipocalin 2 and 12 and similar proteins; Lipocalin-2 (LCN2, also known as siderocalin, ...
31-161 5.83e-04

lipocalin 2 and 12 and similar proteins; Lipocalin-2 (LCN2, also known as siderocalin, uterocalin, neutrophil gelatinase-associated lipocalin) is expressed in renal, endothelial, liver, smooth muscle cells, cardiomyocytes, in various populations of immune cells and dendritic cells. Roles ascribed to LCN2 include chemotactic and bacteriostatic effects, and iron trafficking. LCN2 can also act as a growth factor. It plays a key role in the pathophysiology of renal and cardiovascular diseases, and is involved in various deleterious processes, such as inflammation and fibrosis. It is used as a renal injury biomarker. Lipocalin 12 (LCN12) is an epididymis-specific protein which binds all-trans retinoic acid. It may act as a retinoid carrier protein within the epididymis and play a role in male reproduction. This group belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381207  Cd Length: 154  Bit Score: 39.21  E-value: 5.83e-04
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 449784874  31 QLLGPWYVLAVASRAkdFMVE-KDMKNVEGVVVTLTPDNKLRVESSRHGPGGCHQSTVELLK--QESRWVFEN----PSL 103
Cdd:cd19432    5 QFQGKWYVVGLAGNA--ILREdKDPQKMYATIYELKEDKSYNVTSVLFRKKKCDYWIRTFVPgnQPGEFTLGNiksyPGL 82
                         90       100       110       120       130
                 ....*....|....*....|....*....|....*....|....*....|....*...
gi 449784874 104 GILDYRVLGTNFKDYAVVFTQLEFGDEVFNTVSLYSRTEMASHEAMQLFTKWSQGLGF 161
Cdd:cd19432   83 TSYLVRVVSTNYNQHAMVFFKKVSQNREYFKITLYGRTKELTSELKENFIRFSKSLGL 140
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options:Database: CDSEARCH/cdd   Low complexity filter: no  Composition Based Adjustment: yes   E-value threshold: 0.01

References:

  • Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
  • Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
  • Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
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