ID   EFTU_CROS5              Reviewed;         409 AA.
AC   B1WQY4;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   03-AUG-2022, entry version 76.
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=cce_4088;
OS   Crocosphaera subtropica (strain ATCC 51142 / BH68) (Cyanothece sp. (strain
OS   ATCC 51142)).
OC   Bacteria; Cyanobacteria; Oscillatoriophycideae; Chroococcales;
OC   Aphanothecaceae; Crocosphaera; Crocosphaera subtropica.
OX   NCBI_TaxID=43989;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51142 / BH68;
RX   PubMed=18812508; DOI=10.1073/pnas.0805418105;
RA   Welsh E.A., Liberton M., Stoeckel J., Loh T., Elvitigala T., Wang C.,
RA   Wollam A., Fulton R.S., Clifton S.W., Jacobs J.M., Aurora R., Ghosh B.K.,
RA   Sherman L.A., Smith R.D., Wilson R.K., Pakrasi H.B.;
RT   "The genome of Cyanothece 51142, a unicellular diazotrophic cyanobacterium
RT   important in the marine nitrogen cycle.";
RL   Proc. Natl. Acad. Sci. U.S.A. 105:15094-15099(2008).
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; CP000806; ACB53436.1; -; Genomic_DNA.
DR   RefSeq; WP_009543830.1; NC_010546.1.
DR   AlphaFoldDB; B1WQY4; -.
DR   SMR; B1WQY4; -.
DR   STRING; 43989.cce_4088; -.
DR   EnsemblBacteria; ACB53436; ACB53436; cce_4088.
DR   KEGG; cyt:cce_4088; -.
DR   eggNOG; COG0050; Bacteria.
DR   HOGENOM; CLU_007265_0_1_3; -.
DR   OMA; EGDKEWG; -.
DR   OrthoDB; 621774at2; -.
DR   Proteomes; UP000001203; Chromosome circular.
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..409
FT                   /note="Elongation factor Tu"
FT                   /id="PRO_1000095060"
FT   DOMAIN          10..214
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   409 AA;  44737 MW;  9C039E3280465A59 CRC64;
     MARAKFERTK PHVNIGTIGH VDHGKTTLTA AITMTLAAAG SAKARKYEDI DAAPEEKARG
     ITINTAHVEY ETPNRHYAHV DCPGHADYVK NMITGAAQMD GAILVVSAAD GPMPQTREHI
     LLAKQVGVPS LVVFLNKKDQ VDDEELLELV ELEVRELLSE YDFPGDDIPI ISGSALMAVN
     ALIDNPNIKP GENEWTDQVL ELMKAVDDNI PEPEREIDKP FLMAVEDVFS ISGRGTVATG
     RIERGKVKVG ETIEIVGIRD TRSTTVTGVE MFQKTLDEGM AGDNVGLLLR GIKKEDIERG
     MVIAKPGSIT PHTQFEGEVY VLTKEEGGRH TPFFKNYRPQ FYVRTTDVTG TIQDYTADDG
     SAVEMVMPGD RIKMTVELIS PIAIEQGMRF AIREGGRTIG AGVVSKILK