ID   EFTU_BUCAP              Reviewed;         394 AA.
AC   O31298;
DT   21-FEB-2001, integrated into UniProtKB/Swiss-Prot.
DT   30-AUG-2002, sequence version 2.
DT   03-AUG-2022, entry version 137.
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}; Synonyms=tufB;
GN   OrderedLocusNames=BUsg_507;
OS   Buchnera aphidicola subsp. Schizaphis graminum (strain Sg).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=198804;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sg;
RX   PubMed=12089438; DOI=10.1126/science.1071278;
RA   Tamas I., Klasson L., Canbaeck B., Naeslund A.K., Eriksson A.-S.,
RA   Wernegreen J.J., Sandstroem J.P., Moran N.A., Andersson S.G.E.;
RT   "50 million years of genomic stasis in endosymbiotic bacteria.";
RL   Science 296:2376-2379(2002).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 20-384.
RX   PubMed=9580987; DOI=10.1093/oxfordjournals.molbev.a025958;
RA   Brynnel E.U., Kurland C.G., Moran N.A., Andersson S.G.;
RT   "Evolutionary rates for tuf genes in endosymbionts of aphids.";
RL   Mol. Biol. Evol. 15:574-582(1998).
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}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; AE013218; AAM68050.1; -; Genomic_DNA.
DR   EMBL; Y12308; CAA72975.1; -; Genomic_DNA.
DR   RefSeq; WP_011054016.1; NC_004061.1.
DR   AlphaFoldDB; O31298; -.
DR   SMR; O31298; -.
DR   STRING; 198804.BUsg_507; -.
DR   PRIDE; O31298; -.
DR   EnsemblBacteria; AAM68050; AAM68050; BUsg_507.
DR   KEGG; bas:BUsg_507; -.
DR   eggNOG; COG0050; Bacteria.
DR   HOGENOM; CLU_007265_0_2_6; -.
DR   OMA; EGDKEWG; -.
DR   OrthoDB; 621774at2; -.
DR   Proteomes; UP000000416; 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.
FT   CHAIN           1..394
FT                   /note="Elongation factor Tu"
FT                   /id="PRO_0000091297"
FT   DOMAIN          10..204
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   394 AA;  43430 MW;  2B2D7BF1AC1AC8F3 CRC64;
     MSKEKFQRVK PHINVGTIGH VDHGKTTLTA AITTVLSKKY GGSARAFDQI DNAPEEKARG
     ITINTSHVEY DTELRHYAHV DCPGHADYIK NMITGAAQMD GAILVVAATD GPMPQTREHI
     LLGRQVGVPY IIVFLNKCDM VDDEELLELV EMEVRDLLTQ YDFPGDDTPI IRGSALKALE
     GDADWESKIL DLSKFLDTYI PEPKRAIDQP FLLPIEDVFS ISGRGTVVTG RVERGIVKVG
     EEVEIVGIKK TTKTTCTGVE MFRKLLDEGR AGENVGVLLR GTKRDEIERG QVLAKPGSIH
     PHTTFESEVY VLSKEEGGRH TPFFKGYRPQ FYFRTTDVTG SIELPEGVEM VMPGDNIKMT
     VTLIHPIAMA DGLRFAIREG GRTVGAGVVS KVLV