eukaryotic translation initiation factor 2 subunit 3, Y-linked isoform 2 [Mus musculus]
Protein Classification
List of domain hits
| Name | Accession | Description | Interval | E-value | |||||
| PTZ00327 super family | cl36550 | eukaryotic translation initiation factor 2 gamma subunit; Provisional |
1-287 | 0e+00 | |||||
eukaryotic translation initiation factor 2 gamma subunit; Provisional The actual alignment was detected with superfamily member PTZ00327: Pssm-ID: 240362 [Multi-domain] Cd Length: 460 Bit Score: 536.12 E-value: 0e+00
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| Name | Accession | Description | Interval | E-value | |||||
| PTZ00327 | PTZ00327 | eukaryotic translation initiation factor 2 gamma subunit; Provisional |
1-287 | 0e+00 | |||||
eukaryotic translation initiation factor 2 gamma subunit; Provisional Pssm-ID: 240362 [Multi-domain] Cd Length: 460 Bit Score: 536.12 E-value: 0e+00
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| eif2g_arch | TIGR03680 | translation initiation factor 2 subunit gamma; This model represents the archaeal translation ... |
1-281 | 2.51e-109 | |||||
translation initiation factor 2 subunit gamma; This model represents the archaeal translation initiation factor 2 subunit gamma and is found in all known archaea. eIF-2 functions in the early steps of protein synthesis by forming a ternary complex with GTP and initiator tRNA. Pssm-ID: 274720 [Multi-domain] Cd Length: 406 Bit Score: 322.77 E-value: 2.51e-109
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| eIF2_gamma_II | cd03688 | Domain II of the gamma subunit of eukaryotic translation initiation factor 2; This subfamily ... |
70-183 | 4.43e-68 | |||||
Domain II of the gamma subunit of eukaryotic translation initiation factor 2; This subfamily represents domain II of the gamma subunit of eukaryotic translation initiation factor 2 (eIF2-gamma) found in eukaryota and archaea. eIF2 is a G protein that delivers the methionyl initiator tRNA to the small ribosomal subunit and releases it upon GTP hydrolysis after the recognition of the initiation codon. eIF2 is composed of three subunits, alpha, beta and gamma. Subunit gamma shows strongest conservation, and it confers both tRNA binding and GTP/GDP binding. Pssm-ID: 293889 [Multi-domain] Cd Length: 113 Bit Score: 207.03 E-value: 4.43e-68
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| eIF2_C | pfam09173 | Initiation factor eIF2 gamma, C terminal; Members of this family, which are found in the ... |
190-280 | 1.23e-42 | |||||
Initiation factor eIF2 gamma, C terminal; Members of this family, which are found in the initiation factors eIF2 and EF-Tu, adopt a structure consisting of a beta barrel with Greek key topology. They are required for formation of the ternary complex with GTP and initiator tRNA. Pssm-ID: 462703 [Multi-domain] Cd Length: 86 Bit Score: 141.10 E-value: 1.23e-42
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| SelB | COG3276 | Selenocysteine-specific translation elongation factor SelB [Translation, ribosomal structure ... |
3-120 | 1.98e-10 | |||||
Selenocysteine-specific translation elongation factor SelB [Translation, ribosomal structure and biogenesis]; Selenocysteine-specific translation elongation factor SelB is part of the Pathway/BioSystem: Translation factors Pssm-ID: 442507 [Multi-domain] Cd Length: 630 Bit Score: 61.08 E-value: 1.98e-10
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| Name | Accession | Description | Interval | E-value | |||||
| PTZ00327 | PTZ00327 | eukaryotic translation initiation factor 2 gamma subunit; Provisional |
1-287 | 0e+00 | |||||
eukaryotic translation initiation factor 2 gamma subunit; Provisional Pssm-ID: 240362 [Multi-domain] Cd Length: 460 Bit Score: 536.12 E-value: 0e+00
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| PRK04000 | PRK04000 | translation initiation factor IF-2 subunit gamma; Validated |
1-281 | 1.30e-117 | |||||
translation initiation factor IF-2 subunit gamma; Validated Pssm-ID: 235194 [Multi-domain] Cd Length: 411 Bit Score: 343.76 E-value: 1.30e-117
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| eif2g_arch | TIGR03680 | translation initiation factor 2 subunit gamma; This model represents the archaeal translation ... |
1-281 | 2.51e-109 | |||||
translation initiation factor 2 subunit gamma; This model represents the archaeal translation initiation factor 2 subunit gamma and is found in all known archaea. eIF-2 functions in the early steps of protein synthesis by forming a ternary complex with GTP and initiator tRNA. Pssm-ID: 274720 [Multi-domain] Cd Length: 406 Bit Score: 322.77 E-value: 2.51e-109
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| eIF2_gamma_II | cd03688 | Domain II of the gamma subunit of eukaryotic translation initiation factor 2; This subfamily ... |
70-183 | 4.43e-68 | |||||
Domain II of the gamma subunit of eukaryotic translation initiation factor 2; This subfamily represents domain II of the gamma subunit of eukaryotic translation initiation factor 2 (eIF2-gamma) found in eukaryota and archaea. eIF2 is a G protein that delivers the methionyl initiator tRNA to the small ribosomal subunit and releases it upon GTP hydrolysis after the recognition of the initiation codon. eIF2 is composed of three subunits, alpha, beta and gamma. Subunit gamma shows strongest conservation, and it confers both tRNA binding and GTP/GDP binding. Pssm-ID: 293889 [Multi-domain] Cd Length: 113 Bit Score: 207.03 E-value: 4.43e-68
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| eIF2_gamma_III | cd15490 | Domain III of eukaryotic initiation factor eIF2 gamma; This family represents the C-terminal ... |
186-280 | 3.05e-48 | |||||
Domain III of eukaryotic initiation factor eIF2 gamma; This family represents the C-terminal domain of the gamma subunit of eukaryotic translation initiation factor 2 (eIF2-gamma) found in eukaryotes and archaea. eIF2 is a G protein that delivers the methionyl initiator tRNA to the small ribosomal subunit and releases it upon GTP hydrolysis after the recognition of the initiation codon. eIF2 is composed three subunits, alpha, beta and gamma. Subunit gamma shows strongest conservation, and it confers both tRNA binding and GTP/GDP binding. Pssm-ID: 294011 [Multi-domain] Cd Length: 90 Bit Score: 155.75 E-value: 3.05e-48
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| eIF2_C | pfam09173 | Initiation factor eIF2 gamma, C terminal; Members of this family, which are found in the ... |
190-280 | 1.23e-42 | |||||
Initiation factor eIF2 gamma, C terminal; Members of this family, which are found in the initiation factors eIF2 and EF-Tu, adopt a structure consisting of a beta barrel with Greek key topology. They are required for formation of the ternary complex with GTP and initiator tRNA. Pssm-ID: 462703 [Multi-domain] Cd Length: 86 Bit Score: 141.10 E-value: 1.23e-42
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| eIF2_gamma | cd01888 | Gamma subunit of initiation factor 2 (eIF2 gamma); eIF2 is a heterotrimeric translation ... |
1-69 | 4.11e-39 | |||||
Gamma subunit of initiation factor 2 (eIF2 gamma); eIF2 is a heterotrimeric translation initiation factor that consists of alpha, beta, and gamma subunits. The GTP-bound gamma subunit also binds initiator methionyl-tRNA and delivers it to the 40S ribosomal subunit. Following hydrolysis of GTP to GDP, eIF2:GDP is released from the ribosome. The gamma subunit has no intrinsic GTPase activity, but is stimulated by the GTPase activating protein (GAP) eIF5, and GDP/GTP exchange is stimulated by the guanine nucleotide exchange factor (GEF) eIF2B. eIF2B is a heteropentamer, and the epsilon chain binds eIF2. Both eIF5 and eIF2B-epsilon are known to bind strongly to eIF2-beta, but have also been shown to bind directly to eIF2-gamma. It is possible that eIF2-beta serves simply as a high-affinity docking site for eIF5 and eIF2B-epsilon, or that eIF2-beta serves a regulatory role. eIF2-gamma is found only in eukaryotes and archaea. It is closely related to SelB, the selenocysteine-specific elongation factor from eubacteria. The translational factor components of the ternary complex, IF2 in eubacteria and eIF2 in eukaryotes are not the same protein (despite their unfortunately similar names). Both factors are GTPases; however, eubacterial IF-2 is a single polypeptide, while eIF2 is heterotrimeric. eIF2-gamma is a member of the same family as eubacterial IF2, but the two proteins are only distantly related. This family includes translation initiation, elongation, and release factors. Pssm-ID: 206675 [Multi-domain] Cd Length: 197 Bit Score: 135.86 E-value: 4.11e-39
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| SelB | COG3276 | Selenocysteine-specific translation elongation factor SelB [Translation, ribosomal structure ... |
3-120 | 1.98e-10 | |||||
Selenocysteine-specific translation elongation factor SelB [Translation, ribosomal structure and biogenesis]; Selenocysteine-specific translation elongation factor SelB is part of the Pathway/BioSystem: Translation factors Pssm-ID: 442507 [Multi-domain] Cd Length: 630 Bit Score: 61.08 E-value: 1.98e-10
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| GTP_EFTU_D2 | pfam03144 | Elongation factor Tu domain 2; Elongation factor Tu consists of three structural domains, this ... |
97-180 | 9.16e-09 | |||||
Elongation factor Tu domain 2; Elongation factor Tu consists of three structural domains, this is the second domain. This domain adopts a beta barrel structure. This the second domain is involved in binding to charged tRNA. This domain is also found in other proteins such as elongation factor G and translation initiation factor IF-2. This domain is structurally related to pfam03143, and in fact has weak sequence matches to this domain. Pssm-ID: 427163 [Multi-domain] Cd Length: 73 Bit Score: 51.11 E-value: 9.16e-09
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| era | PRK00089 | GTPase Era; Reviewed |
2-65 | 1.76e-06 | |||||
GTPase Era; Reviewed Pssm-ID: 234624 [Multi-domain] Cd Length: 292 Bit Score: 48.51 E-value: 1.76e-06
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| Translation_Factor_II_like | cd01342 | Domain II of Elongation factor Tu (EF-Tu)-like proteins; Elongation factor Tu consists of ... |
75-172 | 8.02e-06 | |||||
Domain II of Elongation factor Tu (EF-Tu)-like proteins; Elongation factor Tu consists of three structural domains. Domain II adopts a beta barrel structure and is involved in binding to charged tRNA. Domain II is found in other proteins such as elongation factor G and translation initiation factor IF-2. This group also includes the C2 subdomain of domain IV of IF-2 that has the same fold as domain II of (EF-Tu). Like IF-2 from certain prokaryotes such as Thermus thermophilus, mitochondrial IF-2 lacks domain II, which is thought to be involved in binding of E. coli IF-2 to 30S subunits. Pssm-ID: 293888 [Multi-domain] Cd Length: 80 Bit Score: 43.02 E-value: 8.02e-06
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| GTP_translation_factor | cd00881 | GTP translation factor family primarily contains translation initiation, elongation and ... |
4-67 | 1.44e-05 | |||||
GTP translation factor family primarily contains translation initiation, elongation and release factors; The GTP translation factor family consists primarily of translation initiation, elongation, and release factors, which play specific roles in protein translation. In addition, the family includes Snu114p, a component of the U5 small nuclear riboprotein particle which is a component of the spliceosome and is involved in excision of introns, TetM, a tetracycline resistance gene that protects the ribosome from tetracycline binding, and the unusual subfamily CysN/ATPS, which has an unrelated function (ATP sulfurylase) acquired through lateral transfer of the EF1-alpha gene and development of a new function. Pssm-ID: 206647 [Multi-domain] Cd Length: 183 Bit Score: 44.59 E-value: 1.44e-05
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| Era | COG1159 | GTPase Era, involved in 16S rRNA processing [Translation, ribosomal structure and biogenesis]; |
2-66 | 1.76e-05 | |||||
GTPase Era, involved in 16S rRNA processing [Translation, ribosomal structure and biogenesis]; Pssm-ID: 440773 [Multi-domain] Cd Length: 290 Bit Score: 45.36 E-value: 1.76e-05
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| SelB | cd04171 | SelB, the dedicated elongation factor for delivery of selenocysteinyl-tRNA to the ribosome; ... |
1-60 | 2.32e-05 | |||||
SelB, the dedicated elongation factor for delivery of selenocysteinyl-tRNA to the ribosome; SelB is an elongation factor needed for the co-translational incorporation of selenocysteine. Selenocysteine is coded by a UGA stop codon in combination with a specific downstream mRNA hairpin. In bacteria, the C-terminal part of SelB recognizes this hairpin, while the N-terminal part binds GTP and tRNA in analogy with elongation factor Tu (EF-Tu). It specifically recognizes the selenocysteine charged tRNAsec, which has a UCA anticodon, in an EF-Tu like manner. This allows insertion of selenocysteine at in-frame UGA stop codons. In E. coli SelB binds GTP, selenocysteyl-tRNAsec, and a stem-loop structure immediately downstream of the UGA codon (the SECIS sequence). The absence of active SelB prevents the participation of selenocysteyl-tRNAsec in translation. Archaeal and animal mechanisms of selenocysteine incorporation are more complex. Although the SECIS elements have different secondary structures and conserved elements between archaea and eukaryotes, they do share a common feature. Unlike in E. coli, these SECIS elements are located in the 3' UTRs. This group contains bacterial SelBs, as well as, one from archaea. Pssm-ID: 206734 [Multi-domain] Cd Length: 170 Bit Score: 43.75 E-value: 2.32e-05
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| GTP_EFTU | pfam00009 | Elongation factor Tu GTP binding domain; This domain contains a P-loop motif, also found in ... |
1-65 | 4.39e-05 | |||||
Elongation factor Tu GTP binding domain; This domain contains a P-loop motif, also found in several other families such as pfam00071, pfam00025 and pfam00063. Elongation factor Tu consists of three structural domains, this plus two C-terminal beta barrel domains. Pssm-ID: 425418 [Multi-domain] Cd Length: 187 Bit Score: 43.28 E-value: 4.39e-05
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| Era | cd04163 | E. coli Ras-like protein (Era) is a multifunctional GTPase; Era (E. coli Ras-like protein) is ... |
1-63 | 4.36e-04 | |||||
E. coli Ras-like protein (Era) is a multifunctional GTPase; Era (E. coli Ras-like protein) is a multifunctional GTPase found in all bacteria except some eubacteria. It binds to the 16S ribosomal RNA (rRNA) of the 30S subunit and appears to play a role in the assembly of the 30S subunit, possibly by chaperoning the 16S rRNA. It also contacts several assembly elements of the 30S subunit. Era couples cell growth with cytokinesis and plays a role in cell division and energy metabolism. Homologs have also been found in eukaryotes. Era contains two domains: the N-terminal GTPase domain and a C-terminal domain KH domain that is critical for RNA binding. Both domains are important for Era function. Era is functionally able to compensate for deletion of RbfA, a cold-shock adaptation protein that is required for efficient processing of the 16S rRNA. Pssm-ID: 206726 [Multi-domain] Cd Length: 168 Bit Score: 40.14 E-value: 4.36e-04
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| Obg | cd01898 | Obg GTPase; The Obg nucleotide binding protein subfamily has been implicated in stress ... |
6-64 | 1.95e-03 | |||||
Obg GTPase; The Obg nucleotide binding protein subfamily has been implicated in stress response, chromosome partitioning, replication initiation, mycelium development, and sporulation. Obg proteins are among a large group of GTP binding proteins conserved from bacteria to humans. The E. coli homolog, ObgE is believed to function in ribosomal biogenesis. Members of the subfamily contain two equally and highly conserved domains, a C-terminal GTP binding domain and an N-terminal glycine-rich domain. Pssm-ID: 206685 [Multi-domain] Cd Length: 170 Bit Score: 38.17 E-value: 1.95e-03
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