ID   RL31_BIFLO              Reviewed;          70 AA.
AC   Q8G3P6;
DT   23-MAY-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   03-AUG-2022, entry version 88.
DE   RecName: Full=50S ribosomal protein L31 {ECO:0000255|HAMAP-Rule:MF_00501};
GN   Name=rpmE {ECO:0000255|HAMAP-Rule:MF_00501}; OrderedLocusNames=BL1711;
OS   Bifidobacterium longum (strain NCC 2705).
OC   Bacteria; Actinobacteria; Bifidobacteriales; Bifidobacteriaceae;
OC   Bifidobacterium.
OX   NCBI_TaxID=206672;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NCC 2705;
RX   PubMed=12381787; DOI=10.1073/pnas.212527599;
RA   Schell M.A., Karmirantzou M., Snel B., Vilanova D., Berger B., Pessi G.,
RA   Zwahlen M.-C., Desiere F., Bork P., Delley M., Pridmore R.D., Arigoni F.;
RT   "The genome sequence of Bifidobacterium longum reflects its adaptation to
RT   the human gastrointestinal tract.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:14422-14427(2002).
CC   -!- FUNCTION: Binds the 23S rRNA. {ECO:0000255|HAMAP-Rule:MF_00501}.
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00501};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00501};
CC   -!- SUBUNIT: Part of the 50S ribosomal subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00501}.
CC   -!- SIMILARITY: Belongs to the bacterial ribosomal protein bL31 family.
CC       Type A subfamily. {ECO:0000255|HAMAP-Rule:MF_00501}.
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DR   EMBL; AE014295; AAN25495.1; -; Genomic_DNA.
DR   RefSeq; NP_696859.1; NC_004307.2.
DR   RefSeq; WP_003830110.1; NC_004307.2.
DR   AlphaFoldDB; Q8G3P6; -.
DR   STRING; 206672.BL1711; -.
DR   EnsemblBacteria; AAN25495; AAN25495; BL1711.
DR   GeneID; 66505794; -.
DR   KEGG; blo:BL1711; -.
DR   PATRIC; fig|206672.9.peg.1764; -.
DR   HOGENOM; CLU_114306_4_3_11; -.
DR   OMA; WYPDAKV; -.
DR   PhylomeDB; Q8G3P6; -.
DR   PRO; PR:Q8G3P6; -.
DR   Proteomes; UP000000439; Chromosome.
DR   GO; GO:0005840; C:ribosome; IEA:UniProtKB-KW.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0019843; F:rRNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0003735; F:structural constituent of ribosome; IEA:InterPro.
DR   GO; GO:0006412; P:translation; IEA:UniProtKB-UniRule.
DR   Gene3D; 4.10.830.30; -; 1.
DR   HAMAP; MF_00501; Ribosomal_L31_1; 1.
DR   InterPro; IPR034704; L28p-like.
DR   InterPro; IPR002150; Ribosomal_L31.
DR   InterPro; IPR027491; Ribosomal_L31_A.
DR   InterPro; IPR042105; Ribosomal_L31_sf.
DR   PANTHER; PTHR33280; PTHR33280; 1.
DR   Pfam; PF01197; Ribosomal_L31; 1.
DR   PRINTS; PR01249; RIBOSOMALL31.
DR   SUPFAM; SSF143800; SSF143800; 1.
DR   TIGRFAMs; TIGR00105; L31; 1.
DR   PROSITE; PS01143; RIBOSOMAL_L31; 1.
PE   3: Inferred from homology;
KW   Metal-binding; Reference proteome; Ribonucleoprotein; Ribosomal protein;
KW   RNA-binding; rRNA-binding; Zinc.
FT   CHAIN           1..70
FT                   /note="50S ribosomal protein L31"
FT                   /id="PRO_0000173082"
FT   BINDING         16
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00501"
FT   BINDING         18
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00501"
FT   BINDING         38
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00501"
FT   BINDING         41
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00501"
SQ   SEQUENCE   70 AA;  7951 MW;  DE7A8E8F51584F62 CRC64;
     MQQGIHPDYH PVEVTCSCGN TFVTRTAGKE DHMFVDVCSQ CHPFYTGKQK ILDTGGRVAR
     FEKRYGKKSK