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IF2_CHLSY
ID   IF2_CHLSY               Reviewed;         745 AA.
AC   B9LBJ2;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 72.
DE   RecName: Full=Translation initiation factor IF-2 {ECO:0000255|HAMAP-Rule:MF_00100};
GN   Name=infB {ECO:0000255|HAMAP-Rule:MF_00100}; OrderedLocusNames=Chy400_3259;
OS   Chloroflexus aurantiacus (strain ATCC 29364 / DSM 637 / Y-400-fl).
OC   Bacteria; Chloroflexi; Chloroflexia; Chloroflexales; Chloroflexineae;
OC   Chloroflexaceae; Chloroflexus.
OX   NCBI_TaxID=480224;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29364 / DSM 637 / Y-400-fl;
RG   US DOE Joint Genome Institute;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Sims D., Kiss H., Brettin T.,
RA   Detter J.C., Han C., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Ovchinnikova G., Bryant D.A., Richardson P.;
RT   "Complete sequence of Chloroflexus sp. Y-400-fl.";
RL   Submitted (JAN-2009) 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; CP001364; ACM54637.1; -; Genomic_DNA.
DR   RefSeq; WP_012258865.1; NC_012032.1.
DR   AlphaFoldDB; B9LBJ2; -.
DR   SMR; B9LBJ2; -.
DR   KEGG; chl:Chy400_3259; -.
DR   HOGENOM; CLU_006301_5_1_0; -.
DR   OMA; NRDNRTG; -.
DR   OrthoDB; 347113at2; -.
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; 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; PF04760; IF2_N; 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   Cytoplasm; GTP-binding; Initiation factor; Nucleotide-binding;
KW   Protein biosynthesis.
FT   CHAIN           1..745
FT                   /note="Translation initiation factor IF-2"
FT                   /id="PRO_1000202766"
FT   DOMAIN          241..410
FT                   /note="tr-type G"
FT   REGION          1..154
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          250..257
FT                   /note="G1"
FT                   /evidence="ECO:0000250"
FT   REGION          275..279
FT                   /note="G2"
FT                   /evidence="ECO:0000250"
FT   REGION          296..299
FT                   /note="G3"
FT                   /evidence="ECO:0000250"
FT   REGION          350..353
FT                   /note="G4"
FT                   /evidence="ECO:0000250"
FT   REGION          386..388
FT                   /note="G5"
FT                   /evidence="ECO:0000250"
FT   COMPBIAS        7..77
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        124..141
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         250..257
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00100"
FT   BINDING         296..300
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00100"
FT   BINDING         350..353
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00100"
SQ   SEQUENCE   745 AA;  79371 MW;  CC891E5015FAFE70 CRC64;
     MSDKPRRDTG STGTGSGRST GQSGSNRAVG APNPGTGRSP NASTGGNRSA GNQAGNSGRP
     ASAGRNQATT PAPNRNTPPA GARQGGAANA RTGTPPVARG GGGGVTPPTG RGGNNPRAAR
     NQPRSRQQPE EREREHVLRR PPPQPAARPV VRPRGPVALP PVMTVRELSE ATGIGAADIL
     KAMLKAGMLA NINQQIDYET AALIMADFGI ETTEDVPEQM AGIVEDVKEV LRAQPPEEMR
     PRPPVVTIMG HVDHGKTKLL DAIRSTRVAE GEAGGITQHI GAYQIEVNHR KITFLDTPGH
     EAFTAMRARG AQVTDIVVLV VAADDGVKPQ TEEAIAHVKA AGVPMIVAIN KIDLPTANPD
     RIKQQLANVG VIVEEYGGNV PCVHVSARQK INIDGLLEMI LLVADLEDLR ANPNAPAVGT
     IIEAKLDKSR GPVATVLIQN GTLHLEDNVL VGCVAGKIKS MFSDSGKRLR HAEPSTPVEI
     VGLEGVPQAG DILQVMDDLV VAREIALQRQ RQQRAEVMAA AARGTSLEEL FGKVKQGQVK
     ELNLILKADV QGSLDAIAHL IEQLNQSQQA VQTRIIHRGV GAITEGDVNL ALASHAIIIG
     FNARPDPAAR RHAEQHGIDI RFYNIIYQLQ DDLKKAMAGM LAPTVKEVVE GYAEVRNTFR
     LPTREVVAGV YVSDGKITRT GQNVRVLRRG VVIHDGKISS LKRFKDDVRE VTAGYECGLI
     VEGFNDIEVG DALEFYRQET VAASL
 
 
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