ID   IF2B_METM6              Reviewed;         138 AA.
AC   A9A7T1;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   15-JAN-2008, sequence version 1.
DT   25-MAY-2022, entry version 69.
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};
GN   OrderedLocusNames=MmarC6_0656;
OS   Methanococcus maripaludis (strain C6 / ATCC BAA-1332).
OC   Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC   Methanococcaceae; Methanococcus.
OX   NCBI_TaxID=444158;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=C6 / ATCC BAA-1332;
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., Clum A., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Mikhailova N., Sieprawska-Lupa M., Whitman W.B.,
RA   Richardson P.;
RT   "Complete sequence of Methanococcus maripaludis C6.";
RL   Submitted (OCT-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; CP000867; ABX01473.1; -; Genomic_DNA.
DR   RefSeq; WP_012067830.1; NC_009975.1.
DR   AlphaFoldDB; A9A7T1; -.
DR   SMR; A9A7T1; -.
DR   STRING; 444158.MmarC6_0656; -.
DR   EnsemblBacteria; ABX01473; ABX01473; MmarC6_0656.
DR   GeneID; 5738942; -.
DR   KEGG; mmx:MmarC6_0656; -.
DR   eggNOG; arCOG01640; Archaea.
DR   HOGENOM; CLU_026663_3_1_2; -.
DR   OMA; GKPDTRL; -.
DR   OrthoDB; 96453at2157; -.
DR   PhylomeDB; A9A7T1; -.
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.
FT   CHAIN           1..138
FT                   /note="Translation initiation factor 2 subunit beta"
FT                   /id="PRO_1000100487"
SQ   SEQUENCE   138 AA;  15998 MW;  337F49130CEB144A CRC64;
     MVDYFDYNSL LTRAREQLPE EVFKDVRFEI PSADSFVEGN RTIIKNFKDI AKFMERDPQE
     FAKYVMKELG TAGDMEGVRL ILQGKFGWRM VNEKIQNYVN EYVLCPECGK PDTKIVKEGR
     IHFLKCTACG AMKPVKTL