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Conserved domains on  [gi|2240673015|pdb|7PQO|I]
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Chain I, Ecotin

Protein Classification

ecotin( domain architecture ID 10012068)

ecotin is a serine protease inhibitor, inhibiting trypsin and other proteases

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
PRK03719 PRK03719
ecotin; Provisional
1-160 4.52e-100

ecotin; Provisional


:

Pssm-ID: 179637  Cd Length: 166  Bit Score: 284.57  E-value: 4.52e-100
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
7PQO_I         1 MKTILPAVLFAAFATTSAWAAESV---QPLEKIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGG 77
Cdd:PRK03719   5 MKTIAPAVLLAAFAAASAWAPAASssyQPLEKIKPYPQAEKGMKRQVITLPPQEDESDYKVELLIGQTLEVDCNQHRLGG 84
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
7PQO_I        78 KLENKTLEGWGYDYYVFDKVSSPVSTRMACPDGKKEKKFVTAyLGDAGMLRYNSKLPIVVYTPDNVDVKYRVWKAEEKID 157
Cdd:PRK03719  85 ELEEKTLEGWGYDYYVVDKVSGPPSTMMACPDGKKEEKFVTA-LGDGLMLRYNSRLPIVVYLPKGVEVRYRVWKAEEKVQ 163

                 ...
7PQO_I       158 NAV 160
Cdd:PRK03719 164 NAV 166
 
Name Accession Description Interval E-value
PRK03719 PRK03719
ecotin; Provisional
1-160 4.52e-100

ecotin; Provisional


Pssm-ID: 179637  Cd Length: 166  Bit Score: 284.57  E-value: 4.52e-100
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
7PQO_I         1 MKTILPAVLFAAFATTSAWAAESV---QPLEKIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGG 77
Cdd:PRK03719   5 MKTIAPAVLLAAFAAASAWAPAASssyQPLEKIKPYPQAEKGMKRQVITLPPQEDESDYKVELLIGQTLEVDCNQHRLGG 84
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
7PQO_I        78 KLENKTLEGWGYDYYVFDKVSSPVSTRMACPDGKKEKKFVTAyLGDAGMLRYNSKLPIVVYTPDNVDVKYRVWKAEEKID 157
Cdd:PRK03719  85 ELEEKTLEGWGYDYYVVDKVSGPPSTMMACPDGKKEEKFVTA-LGDGLMLRYNSRLPIVVYLPKGVEVRYRVWKAEEKVQ 163

                 ...
7PQO_I       158 NAV 160
Cdd:PRK03719 164 NAV 166
Eco COG4574
Serine protease inhibitor ecotin [Posttranslational modification, protein turnover, chaperones] ...
1-162 6.43e-94

Serine protease inhibitor ecotin [Posttranslational modification, protein turnover, chaperones];


Pssm-ID: 443631  Cd Length: 162  Bit Score: 269.08  E-value: 6.43e-94
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
7PQO_I        1 MKTILPA-VLFAAFATTSAWAAESVQPLEKIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGGKL 79
Cdd:COG4574   1 MKKLLLAlASLLAAASASANADAAAQPLEDLAPFPAAEKGMVRHVIQLPPQENENDFKVELIIGKTMEVDCNRHFLGGEL 80
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
7PQO_I       80 ENKTLEGWGYDYYVFDKVSSPVSTRMACPDGKKEKKFVTAYlGDAGMLRYNSKLPIVVYTPDNVDVKYRVWKAEEKIDNA 159
Cdd:COG4574  81 EEKTLEGWGYDYYVVSKVGGPASTLMACPDQPKREAFVTLG-GDPALVRYNSKLPIVVYVPKGVEVRYRIWKADDEIQPA 159

                ...
7PQO_I      160 VVR 162
Cdd:COG4574 160 VKK 162
Ecotin cd00242
Protease Inhibitor Ecotin; homodimeric protease inhibitor; Protease Inhibitor Ecotin; ...
25-161 6.35e-91

Protease Inhibitor Ecotin; homodimeric protease inhibitor; Protease Inhibitor Ecotin; homodimeric protease inhibitor which binds two chymotrypsin-like serine proteases to form a heterotetramer. Found in bacterial periplasm. Inhibits a broad range of serine proteases including collagenase, trypsin, chymotrypsin, elastase, and factor Xa but not thrombin. Inhibition mechanism involves binding at two different protease contact sites: the primary and secondary binding sites. Primary site loops of ecotin bind to the active site of target proteases in a substrate-like manner with the P1 residue in ecotin mimicking the interactions of a canonical P1 substrate residue.


Pssm-ID: 153074  Cd Length: 136  Bit Score: 260.49  E-value: 6.35e-91
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
7PQO_I       25 QPLEKIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGGKLENKTLEGWGYDYYVFDKVSSPVSTR 104
Cdd:cd00242   1 QPLEKIAPYPQAEKGMKRQVIFLDPQGDESTLKVELIIGRTLEVDCNQHRLGGNLEEKTLEGWGYDYYVVDKVSSPVSTM 80
                        90       100       110       120       130
                ....*....|....*....|....*....|....*....|....*....|....*..
7PQO_I      105 MACPDGKKEKKFVTAYLGdAGMLRYNSKLPIVVYTPDNVDVKYRVWKAEEKIDNAVV 161
Cdd:cd00242  81 MACPDGKKEQKFVTANLG-AGMLRYNSRLPIVVYTPKDVEVRYRIWKAGEKIQNAVV 136
Ecotin pfam03974
Ecotin; Ecotin is a broad range serine protease inhibitor, which forms homodimers. The ...
29-152 5.59e-70

Ecotin; Ecotin is a broad range serine protease inhibitor, which forms homodimers. The C-terminal region contains the dimerization motif. Interestingly, the binding sites show a fluidity of protein contacts binding sites show a fluidity of protein contacts derived from ecotin's innate flexibility in fitting itself to proteases while.


Pssm-ID: 427624  Cd Length: 122  Bit Score: 207.04  E-value: 5.59e-70
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
7PQO_I         29 KIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGGKLENKTLEGWGYDYYVFDKVSSPVSTRMACP 108
Cdd:pfam03974   1 DLAPYPAAEAGQKRHVIQLPPLEDESDYKVELIPGKTLEVDCNHYRLGGELEEKTLQGWGYPYYVVDLVGPPASTLMACP 80
                          90       100       110       120
                  ....*....|....*....|....*....|....*....|....
7PQO_I        109 DGKKEKKFVTayLGDAGMLRYNSKLPIVVYTPDNVDVKYRVWKA 152
Cdd:pfam03974  81 DAPKREKFVP--LGEKPLIRYNSRLPIVVYVPEGAEVRYRIWKA 122
 
Name Accession Description Interval E-value
PRK03719 PRK03719
ecotin; Provisional
1-160 4.52e-100

ecotin; Provisional


Pssm-ID: 179637  Cd Length: 166  Bit Score: 284.57  E-value: 4.52e-100
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
7PQO_I         1 MKTILPAVLFAAFATTSAWAAESV---QPLEKIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGG 77
Cdd:PRK03719   5 MKTIAPAVLLAAFAAASAWAPAASssyQPLEKIKPYPQAEKGMKRQVITLPPQEDESDYKVELLIGQTLEVDCNQHRLGG 84
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
7PQO_I        78 KLENKTLEGWGYDYYVFDKVSSPVSTRMACPDGKKEKKFVTAyLGDAGMLRYNSKLPIVVYTPDNVDVKYRVWKAEEKID 157
Cdd:PRK03719  85 ELEEKTLEGWGYDYYVVDKVSGPPSTMMACPDGKKEEKFVTA-LGDGLMLRYNSRLPIVVYLPKGVEVRYRVWKAEEKVQ 163

                 ...
7PQO_I       158 NAV 160
Cdd:PRK03719 164 NAV 166
Eco COG4574
Serine protease inhibitor ecotin [Posttranslational modification, protein turnover, chaperones] ...
1-162 6.43e-94

Serine protease inhibitor ecotin [Posttranslational modification, protein turnover, chaperones];


Pssm-ID: 443631  Cd Length: 162  Bit Score: 269.08  E-value: 6.43e-94
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
7PQO_I        1 MKTILPA-VLFAAFATTSAWAAESVQPLEKIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGGKL 79
Cdd:COG4574   1 MKKLLLAlASLLAAASASANADAAAQPLEDLAPFPAAEKGMVRHVIQLPPQENENDFKVELIIGKTMEVDCNRHFLGGEL 80
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
7PQO_I       80 ENKTLEGWGYDYYVFDKVSSPVSTRMACPDGKKEKKFVTAYlGDAGMLRYNSKLPIVVYTPDNVDVKYRVWKAEEKIDNA 159
Cdd:COG4574  81 EEKTLEGWGYDYYVVSKVGGPASTLMACPDQPKREAFVTLG-GDPALVRYNSKLPIVVYVPKGVEVRYRIWKADDEIQPA 159

                ...
7PQO_I      160 VVR 162
Cdd:COG4574 160 VKK 162
Ecotin cd00242
Protease Inhibitor Ecotin; homodimeric protease inhibitor; Protease Inhibitor Ecotin; ...
25-161 6.35e-91

Protease Inhibitor Ecotin; homodimeric protease inhibitor; Protease Inhibitor Ecotin; homodimeric protease inhibitor which binds two chymotrypsin-like serine proteases to form a heterotetramer. Found in bacterial periplasm. Inhibits a broad range of serine proteases including collagenase, trypsin, chymotrypsin, elastase, and factor Xa but not thrombin. Inhibition mechanism involves binding at two different protease contact sites: the primary and secondary binding sites. Primary site loops of ecotin bind to the active site of target proteases in a substrate-like manner with the P1 residue in ecotin mimicking the interactions of a canonical P1 substrate residue.


Pssm-ID: 153074  Cd Length: 136  Bit Score: 260.49  E-value: 6.35e-91
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
7PQO_I       25 QPLEKIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGGKLENKTLEGWGYDYYVFDKVSSPVSTR 104
Cdd:cd00242   1 QPLEKIAPYPQAEKGMKRQVIFLDPQGDESTLKVELIIGRTLEVDCNQHRLGGNLEEKTLEGWGYDYYVVDKVSSPVSTM 80
                        90       100       110       120       130
                ....*....|....*....|....*....|....*....|....*....|....*..
7PQO_I      105 MACPDGKKEKKFVTAYLGdAGMLRYNSKLPIVVYTPDNVDVKYRVWKAEEKIDNAVV 161
Cdd:cd00242  81 MACPDGKKEQKFVTANLG-AGMLRYNSRLPIVVYTPKDVEVRYRIWKAGEKIQNAVV 136
Ecotin pfam03974
Ecotin; Ecotin is a broad range serine protease inhibitor, which forms homodimers. The ...
29-152 5.59e-70

Ecotin; Ecotin is a broad range serine protease inhibitor, which forms homodimers. The C-terminal region contains the dimerization motif. Interestingly, the binding sites show a fluidity of protein contacts binding sites show a fluidity of protein contacts derived from ecotin's innate flexibility in fitting itself to proteases while.


Pssm-ID: 427624  Cd Length: 122  Bit Score: 207.04  E-value: 5.59e-70
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
7PQO_I         29 KIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGGKLENKTLEGWGYDYYVFDKVSSPVSTRMACP 108
Cdd:pfam03974   1 DLAPYPAAEAGQKRHVIQLPPLEDESDYKVELIPGKTLEVDCNHYRLGGELEEKTLQGWGYPYYVVDLVGPPASTLMACP 80
                          90       100       110       120
                  ....*....|....*....|....*....|....*....|....
7PQO_I        109 DGKKEKKFVTayLGDAGMLRYNSKLPIVVYTPDNVDVKYRVWKA 152
Cdd:pfam03974  81 DAPKREKFVP--LGEKPLIRYNSRLPIVVYVPEGAEVRYRIWKA 122
 
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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