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IF2_SHIB3
ID   IF2_SHIB3               Reviewed;         890 AA.
AC   B2U207;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-2008, sequence version 1.
DT   03-AUG-2022, entry version 81.
DE   RecName: Full=Translation initiation factor IF-2 {ECO:0000255|HAMAP-Rule:MF_00100};
GN   Name=infB {ECO:0000255|HAMAP-Rule:MF_00100};
GN   OrderedLocusNames=SbBS512_E3603;
OS   Shigella boydii serotype 18 (strain CDC 3083-94 / BS512).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=344609;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CDC 3083-94 / BS512;
RA   Rasko D.A., Rosovitz M., Maurelli A.T., Myers G., Seshadri R., Cer R.,
RA   Jiang L., Ravel J., Sebastian Y.;
RT   "Complete sequence of Shigella boydii serotype 18 strain BS512.";
RL   Submitted (MAY-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: One of the essential components for the initiation of protein
CC       synthesis. Protects formylmethionyl-tRNA from spontaneous hydrolysis
CC       and promotes its binding to the 30S ribosomal subunits. Also involved
CC       in the hydrolysis of GTP during the formation of the 70S ribosomal
CC       complex. {ECO:0000255|HAMAP-Rule:MF_00100}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00100}.
CC   -!- SIMILARITY: Belongs to the TRAFAC class translation factor GTPase
CC       superfamily. Classic translation factor GTPase family. IF-2 subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_00100}.
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DR   EMBL; CP001063; ACD06443.1; -; Genomic_DNA.
DR   RefSeq; WP_000133034.1; NC_010658.1.
DR   AlphaFoldDB; B2U207; -.
DR   SMR; B2U207; -.
DR   STRING; 344609.SbBS512_E3603; -.
DR   EnsemblBacteria; ACD06443; ACD06443; SbBS512_E3603.
DR   KEGG; sbc:SbBS512_E3603; -.
DR   HOGENOM; CLU_006301_6_3_6; -.
DR   OMA; NRDNRTG; -.
DR   Proteomes; UP000001030; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005525; F:GTP binding; IEA:UniProtKB-KW.
DR   GO; GO:0003924; F:GTPase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0003743; F:translation initiation factor activity; IEA:UniProtKB-UniRule.
DR   CDD; cd03702; IF2_mtIF2_II; 1.
DR   Gene3D; 3.40.50.10050; -; 1.
DR   Gene3D; 3.40.50.300; -; 1.
DR   HAMAP; MF_00100_B; IF_2_B; 1.
DR   InterPro; IPR009061; DNA-bd_dom_put_sf.
DR   InterPro; IPR013575; IF2_assoc_dom_bac.
DR   InterPro; IPR044145; IF2_II.
DR   InterPro; IPR006847; IF2_N.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR005225; Small_GTP-bd_dom.
DR   InterPro; IPR000795; T_Tr_GTP-bd_dom.
DR   InterPro; IPR000178; TF_IF2_bacterial-like.
DR   InterPro; IPR015760; TIF_IF2.
DR   InterPro; IPR023115; TIF_IF2_dom3.
DR   InterPro; IPR036925; TIF_IF2_dom3_sf.
DR   InterPro; IPR009000; Transl_B-barrel_sf.
DR   PANTHER; PTHR43381; PTHR43381; 1.
DR   Pfam; PF00009; GTP_EFTU; 1.
DR   Pfam; PF11987; IF-2; 1.
DR   Pfam; PF08364; IF2_assoc; 1.
DR   Pfam; PF04760; IF2_N; 2.
DR   SUPFAM; SSF46955; SSF46955; 1.
DR   SUPFAM; SSF50447; SSF50447; 2.
DR   SUPFAM; SSF52156; SSF52156; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR00487; IF-2; 1.
DR   TIGRFAMs; TIGR00231; small_GTP; 1.
DR   PROSITE; PS51722; G_TR_2; 1.
DR   PROSITE; PS01176; IF2; 1.
PE   3: Inferred from homology;
KW   Acetylation; Cytoplasm; GTP-binding; Initiation factor; Nucleotide-binding;
KW   Protein biosynthesis.
FT   CHAIN           1..890
FT                   /note="Translation initiation factor IF-2"
FT                   /id="PRO_1000093826"
FT   DOMAIN          389..558
FT                   /note="tr-type G"
FT   REGION          45..303
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          398..405
FT                   /note="G1"
FT                   /evidence="ECO:0000250"
FT   REGION          423..427
FT                   /note="G2"
FT                   /evidence="ECO:0000250"
FT   REGION          444..447
FT                   /note="G3"
FT                   /evidence="ECO:0000250"
FT   REGION          498..501
FT                   /note="G4"
FT                   /evidence="ECO:0000250"
FT   REGION          534..536
FT                   /note="G5"
FT                   /evidence="ECO:0000250"
FT   COMPBIAS        48..77
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        81..224
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        234..255
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        263..284
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         398..405
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00100"
FT   BINDING         444..448
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00100"
FT   BINDING         498..501
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00100"
FT   MOD_RES         808
FT                   /note="N6-acetyllysine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   890 AA;  97350 MW;  E95279E5D061AB46 CRC64;
     MTDVTIKTLA AERQTSVERL VQQFADAGIR KSADDSVSAK EKQTLIDHLN QKNSGPDKLT
     LQRKTRSTLN IPGTGGKSKS VQIEVRKKRT FVKRDPQEAE RLAAEEQAQR EAEEQARREA
     EESAKREAQQ KAEREAAEQA KREAAEQAKR EAAEKDKVSN QQDDMTKNAQ AEKARREQEA
     AELKRKAEEE ARRKLEEEAR RVAEEARRMA EENKWTDNAE PTEDSSDYHV TTSQHARQAE
     DESDREVEGG RGRGRNAKAA RPKKGNKHAE SKADREEARA AVRGGKGGKR KGSSLQQGFQ
     KPAQAVNRDV VIGETITVGE LANKMAVKGS QVIKAMMKLG AMATINQVID QETAQLVAEE
     MGHKVILRRE NELEEAVMSD RDTGAAAEPR APVVTIMGHV DHGKTSLLDY IRSTKVASGE
     AGGITQHIGA YHVETENGMI TFLDTPGHAA FTSMRARGAQ ATDIVVLVVA ADDGVMPQTI
     EAIQHAKAAQ VPVVVAVNKI DKPEADPDRV KNELSQYGIL PEEWGGESQF VHVSAKAGTG
     IDELLDAILL QAEVLELKAV RKGMASGAVI ESFLDKGRGP VATVLVREGT LHKGDIVLCG
     FEYGRVRAMR NELGQEVLEA GPSIPVEILG LSGVPAAGDE VTVVRDEKKA REVALYRQGK
     FREVKLARQQ KSKLENMFAN MTEGEVHEVN IVLKADVQGS VEAISDSLLK LSTDEVKVKI
     IGSGVGGITE TDATLAAASN AILVGFNVRA DASARKVIEA ESLDLRYYSV IYNLIDEVKA
     AMSGMLSPEL KQQIIGLAEV RDVFKSPKFG AIAGCMVTEG VVKRHNPIRV LRDNVVIYEG
     ELESLRRFKD DVNEVRNGME CGIGVKNYND VRTGDVIEVF EIIEIQRTIA
 
 
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