ID   EFTU_PELUB              Reviewed;         396 AA.
AC   Q4FLK5;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   30-AUG-2005, sequence version 1.
DT   03-AUG-2022, entry version 103.
DE   RecName: Full=Elongation factor Tu {ECO:0000255|HAMAP-Rule:MF_00118};
DE            Short=EF-Tu {ECO:0000255|HAMAP-Rule:MF_00118};
GN   Name=tuf {ECO:0000255|HAMAP-Rule:MF_00118}; OrderedLocusNames=SAR11_1130;
OS   Pelagibacter ubique (strain HTCC1062).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Pelagibacterales;
OC   Pelagibacteraceae; Candidatus Pelagibacter.
OX   NCBI_TaxID=335992;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HTCC1062;
RX   PubMed=16109880; DOI=10.1126/science.1114057;
RA   Giovannoni S.J., Tripp H.J., Givan S., Podar M., Vergin K.L., Baptista D.,
RA   Bibbs L., Eads J., Richardson T.H., Noordewier M., Rappe M.S., Short J.M.,
RA   Carrington J.C., Mathur E.J.;
RT   "Genome streamlining in a cosmopolitan oceanic bacterium.";
RL   Science 309:1242-1245(2005).
CC   -!- FUNCTION: This protein promotes the GTP-dependent binding of aminoacyl-
CC       tRNA to the A-site of ribosomes during protein biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00118}.
CC   -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00118}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00118}.
CC   -!- SIMILARITY: Belongs to the TRAFAC class translation factor GTPase
CC       superfamily. Classic translation factor GTPase family. EF-Tu/EF-1A
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_00118}.
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DR   EMBL; CP000084; AAZ21933.1; -; Genomic_DNA.
DR   RefSeq; WP_006996798.1; NC_007205.1.
DR   AlphaFoldDB; Q4FLK5; -.
DR   SMR; Q4FLK5; -.
DR   STRING; 335992.SAR11_1130; -.
DR   EnsemblBacteria; AAZ21933; AAZ21933; SAR11_1130.
DR   GeneID; 66295620; -.
DR   KEGG; pub:SAR11_1130; -.
DR   eggNOG; COG0050; Bacteria.
DR   HOGENOM; CLU_007265_0_1_5; -.
DR   OMA; EGDKEWG; -.
DR   OrthoDB; 621774at2; -.
DR   Proteomes; UP000002528; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005525; F:GTP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003924; F:GTPase activity; IEA:InterPro.
DR   GO; GO:0003746; F:translation elongation factor activity; IEA:UniProtKB-UniRule.
DR   CDD; cd01884; EF_Tu; 1.
DR   CDD; cd03697; EFTU_II; 1.
DR   Gene3D; 3.40.50.300; -; 1.
DR   HAMAP; MF_00118_B; EF_Tu_B; 1.
DR   InterPro; IPR041709; EF-Tu_GTP-bd.
DR   InterPro; IPR004161; EFTu-like_2.
DR   InterPro; IPR033720; EFTU_2.
DR   InterPro; IPR031157; G_TR_CS.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR005225; Small_GTP-bd_dom.
DR   InterPro; IPR000795; T_Tr_GTP-bd_dom.
DR   InterPro; IPR009000; Transl_B-barrel_sf.
DR   InterPro; IPR009001; Transl_elong_EF1A/Init_IF2_C.
DR   InterPro; IPR004541; Transl_elong_EFTu/EF1A_bac/org.
DR   InterPro; IPR004160; Transl_elong_EFTu/EF1A_C.
DR   Pfam; PF00009; GTP_EFTU; 1.
DR   Pfam; PF03144; GTP_EFTU_D2; 1.
DR   Pfam; PF03143; GTP_EFTU_D3; 1.
DR   PRINTS; PR00315; ELONGATNFCT.
DR   SUPFAM; SSF50447; SSF50447; 1.
DR   SUPFAM; SSF50465; SSF50465; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR00485; EF-Tu; 1.
DR   TIGRFAMs; TIGR00231; small_GTP; 1.
DR   PROSITE; PS00301; G_TR_1; 1.
DR   PROSITE; PS51722; G_TR_2; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Elongation factor; GTP-binding; Nucleotide-binding;
KW   Protein biosynthesis; Reference proteome.
FT   CHAIN           1..396
FT                   /note="Elongation factor Tu"
FT                   /id="PRO_1000015721"
FT   DOMAIN          10..206
FT                   /note="tr-type G"
FT   REGION          19..26
FT                   /note="G1"
FT                   /evidence="ECO:0000250"
FT   REGION          60..64
FT                   /note="G2"
FT                   /evidence="ECO:0000250"
FT   REGION          81..84
FT                   /note="G3"
FT                   /evidence="ECO:0000250"
FT   REGION          136..139
FT                   /note="G4"
FT                   /evidence="ECO:0000250"
FT   REGION          174..176
FT                   /note="G5"
FT                   /evidence="ECO:0000250"
FT   BINDING         19..26
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00118"
FT   BINDING         81..85
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00118"
FT   BINDING         136..139
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00118"
SQ   SEQUENCE   396 AA;  43195 MW;  29429E7F37231986 CRC64;
     MSKEKFVRNK PHCNIGTIGH VDHGKTTLTA AITITLAELG GGKAVAYDQI DKAPEEKERG
     ITISTAHVEY ETEKRHYAHV DCPGHADYVK NMITGAAQMD GAILVVNAAD GPMPQTREHI
     LLGRQVGIPA IVVYLNKVDQ VDDKDMIELV EEEIRELLTS YKYPGDKTPI VKGSALAAVE
     GRDEEIGKNS IIELMKAVDE FIPQPTRDID KPFLMPVEDV FSISGRGTVA TGRIESGVIK
     TGEEVEIVGV TATKKSVCTG VEMFRKLLDS GEAGDNVGIL LRGVERDDIQ RGQVLCKPAS
     ITPHTKFEAQ AYVLKKDEGG RHTPFFTKYR PQFYFRTTDV TGEVTLPAGT EMVMPGDDAK
     FTVTLITPIA MSEKLNFAIR EGGRTVGAGV VTKIIE