ID   RL31_BIFLD              Reviewed;          70 AA.
AC   B3DR50;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   22-JUL-2008, sequence version 1.
DT   03-AUG-2022, entry version 64.
DE   RecName: Full=50S ribosomal protein L31 {ECO:0000255|HAMAP-Rule:MF_00501};
GN   Name=rpmE {ECO:0000255|HAMAP-Rule:MF_00501}; OrderedLocusNames=BLD_1888;
OS   Bifidobacterium longum (strain DJO10A).
OC   Bacteria; Actinobacteria; Bifidobacteriales; Bifidobacteriaceae;
OC   Bifidobacterium.
OX   NCBI_TaxID=205913;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DJO10A;
RX   PubMed=18505588; DOI=10.1186/1471-2164-9-247;
RA   Lee J.H., Karamychev V.N., Kozyavkin S.A., Mills D., Pavlov A.R.,
RA   Pavlova N.V., Polouchine N.N., Richardson P.M., Shakhova V.V.,
RA   Slesarev A.I., Weimer B., O'Sullivan D.J.;
RT   "Comparative genomic analysis of the gut bacterium Bifidobacterium longum
RT   reveals loci susceptible to deletion during pure culture growth.";
RL   BMC Genomics 9:247-247(2008).
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; CP000605; ACD99333.1; -; Genomic_DNA.
DR   RefSeq; WP_003830110.1; NZ_AABM02000004.1.
DR   AlphaFoldDB; B3DR50; -.
DR   EnsemblBacteria; ACD99333; ACD99333; BLD_1888.
DR   GeneID; 66505794; -.
DR   KEGG; blj:BLD_1888; -.
DR   HOGENOM; CLU_114306_4_3_11; -.
DR   OMA; WYPDAKV; -.
DR   Proteomes; UP000002419; 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; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding; Zinc.
FT   CHAIN           1..70
FT                   /note="50S ribosomal protein L31"
FT                   /id="PRO_1000126569"
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