ID   IF2B_META3              Reviewed;         139 AA.
AC   A6UX55;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   25-MAY-2022, entry version 71.
DE   RecName: Full=Translation initiation factor 2 subunit beta {ECO:0000255|HAMAP-Rule:MF_00232};
DE   AltName: Full=aIF2-beta {ECO:0000255|HAMAP-Rule:MF_00232};
DE   AltName: Full=eIF-2-beta {ECO:0000255|HAMAP-Rule:MF_00232};
GN   Name=eif2b {ECO:0000255|HAMAP-Rule:MF_00232}; OrderedLocusNames=Maeo_1501;
OS   Methanococcus aeolicus (strain ATCC BAA-1280 / DSM 17508 / OCM 812 /
OS   Nankai-3).
OC   Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC   Methanococcaceae; Methanococcus.
OX   NCBI_TaxID=419665;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1280 / DSM 17508 / OCM 812 / Nankai-3;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Chain P., Malfatti S., Shin M., Vergez L., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Lykidis A.,
RA   Sieprawska-Lupa M., Whitman W.B., Richardson P.;
RT   "Complete sequence of Methanococcus aeolicus Nankai-3.";
RL   Submitted (JUN-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: eIF-2 functions in the early steps of protein synthesis by
CC       forming a ternary complex with GTP and initiator tRNA.
CC       {ECO:0000255|HAMAP-Rule:MF_00232}.
CC   -!- SUBUNIT: Heterotrimer composed of an alpha, a beta and a gamma chain.
CC       {ECO:0000255|HAMAP-Rule:MF_00232}.
CC   -!- SIMILARITY: Belongs to the eIF-2-beta/eIF-5 family. {ECO:0000255|HAMAP-
CC       Rule:MF_00232}.
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DR   EMBL; CP000743; ABR57077.1; -; Genomic_DNA.
DR   RefSeq; WP_011974209.1; NC_009635.1.
DR   AlphaFoldDB; A6UX55; -.
DR   SMR; A6UX55; -.
DR   STRING; 419665.Maeo_1501; -.
DR   EnsemblBacteria; ABR57077; ABR57077; Maeo_1501.
DR   GeneID; 5327541; -.
DR   KEGG; mae:Maeo_1501; -.
DR   eggNOG; arCOG01640; Archaea.
DR   HOGENOM; CLU_026663_3_1_2; -.
DR   OMA; GKPDTRL; -.
DR   OrthoDB; 96453at2157; -.
DR   Proteomes; UP000001106; Chromosome.
DR   GO; GO:0003743; F:translation initiation factor activity; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00232; eIF_2_beta; 1.
DR   InterPro; IPR045196; IF2/IF5.
DR   InterPro; IPR004458; TIF2_bsu_arc.
DR   InterPro; IPR002735; Transl_init_fac_IF2/IF5_dom.
DR   InterPro; IPR016189; Transl_init_fac_IF2/IF5_N.
DR   InterPro; IPR016190; Transl_init_fac_IF2/IF5_Zn-bd.
DR   PANTHER; PTHR23001; PTHR23001; 1.
DR   Pfam; PF01873; eIF-5_eIF-2B; 1.
DR   SMART; SM00653; eIF2B_5; 1.
DR   SUPFAM; SSF100966; SSF100966; 1.
DR   SUPFAM; SSF75689; SSF75689; 1.
DR   TIGRFAMs; TIGR00311; aIF-2beta; 1.
PE   3: Inferred from homology;
KW   Initiation factor; Protein biosynthesis; Reference proteome.
FT   CHAIN           1..139
FT                   /note="Translation initiation factor 2 subunit beta"
FT                   /id="PRO_0000336757"
SQ   SEQUENCE   139 AA;  15955 MW;  48CF680D3038FD52 CRC64;
     MNSDYYDYDA LLKRAVSQLP EEVFKDVRFE VPHADSFVEG NRTMVKNFVD ISKVIRREPQ
     FFAKYVLKEL GTAGDVEGPR LILQGKFGNY IINSKIKKFV DEYVLCPECG KPDTKIIKEG
     RIHFLKCMAC GAMKPIKLI