IF3_METPB
ID IF3_METPB Reviewed; 173 AA.
AC B1ZGB8;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 20-MAY-2008, sequence version 1.
DT 25-MAY-2022, entry version 90.
DE RecName: Full=Translation initiation factor IF-3 {ECO:0000255|HAMAP-Rule:MF_00080};
GN Name=infC {ECO:0000255|HAMAP-Rule:MF_00080}; OrderedLocusNames=Mpop_1612;
OS Methylorubrum populi (strain ATCC BAA-705 / NCIMB 13946 / BJ001)
OS (Methylobacterium populi).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC Methylobacteriaceae; Methylorubrum.
OX NCBI_TaxID=441620;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-705 / NCIMB 13946 / BJ001;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C.,
RA Han C., Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L.,
RA Kyrpides N., Mikhailova N., Marx C., Richardson P.;
RT "Complete sequence of chromosome of Methylobacterium populi BJ001.";
RL Submitted (APR-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: IF-3 binds to the 30S ribosomal subunit and shifts the
CC equilibrum between 70S ribosomes and their 50S and 30S subunits in
CC favor of the free subunits, thus enhancing the availability of 30S
CC subunits on which protein synthesis initiation begins.
CC {ECO:0000255|HAMAP-Rule:MF_00080}.
CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00080}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00080}.
CC -!- SIMILARITY: Belongs to the IF-3 family. {ECO:0000255|HAMAP-
CC Rule:MF_00080}.
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DR EMBL; CP001029; ACB79776.1; -; Genomic_DNA.
DR AlphaFoldDB; B1ZGB8; -.
DR SMR; B1ZGB8; -.
DR STRING; 441620.Mpop_1612; -.
DR EnsemblBacteria; ACB79776; ACB79776; Mpop_1612.
DR KEGG; mpo:Mpop_1612; -.
DR eggNOG; COG0290; Bacteria.
DR HOGENOM; CLU_054919_3_2_5; -.
DR OMA; RNMIMFL; -.
DR Proteomes; UP000007136; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0003743; F:translation initiation factor activity; IEA:UniProtKB-UniRule.
DR Gene3D; 3.10.20.80; -; 1.
DR Gene3D; 3.30.110.10; -; 1.
DR HAMAP; MF_00080; IF_3; 1.
DR InterPro; IPR036788; T_IF-3_C_sf.
DR InterPro; IPR036787; T_IF-3_N_sf.
DR InterPro; IPR001288; Translation_initiation_fac_3.
DR InterPro; IPR019815; Translation_initiation_fac_3_C.
DR InterPro; IPR019814; Translation_initiation_fac_3_N.
DR PANTHER; PTHR10938; PTHR10938; 1.
DR Pfam; PF00707; IF3_C; 1.
DR Pfam; PF05198; IF3_N; 1.
DR SUPFAM; SSF54364; SSF54364; 1.
DR SUPFAM; SSF55200; SSF55200; 1.
DR TIGRFAMs; TIGR00168; infC; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Initiation factor; Protein biosynthesis; Reference proteome.
FT CHAIN 1..173
FT /note="Translation initiation factor IF-3"
FT /id="PRO_1000202542"
SQ SEQUENCE 173 AA; 20010 MW; A7A292654B8D0BD7 CRC64;
MPAPQKDGPR ANRDIRGVRD VQLIDQDGQN RGVVPFFDAL AMAEEVGLDL VEIAPNSVPP
VCKFLDYGRF RFNEQKKQNE ARKRQKTVEV KEIKLRPGID KHDYDVKMKA VQRFFEEGDK
VKVTLRFRGR EIAHQDIGLR LLERVKQETQ EVAKVESEPM LEGRQMIMIL APR