ID   RL31_BUCAP              Reviewed;          72 AA.
AC   Q8K907;
DT   08-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2002, sequence version 1.
DT   03-AUG-2022, entry version 94.
DE   RecName: Full=50S ribosomal protein L31 {ECO:0000255|HAMAP-Rule:MF_00501};
GN   Name=rpmE {ECO:0000255|HAMAP-Rule:MF_00501}; OrderedLocusNames=BUsg_556;
OS   Buchnera aphidicola subsp. Schizaphis graminum (strain Sg).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=198804;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sg;
RX   PubMed=12089438; DOI=10.1126/science.1071278;
RA   Tamas I., Klasson L., Canbaeck B., Naeslund A.K., Eriksson A.-S.,
RA   Wernegreen J.J., Sandstroem J.P., Moran N.A., Andersson S.G.E.;
RT   "50 million years of genomic stasis in endosymbiotic bacteria.";
RL   Science 296:2376-2379(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; AE013218; AAM68094.1; -; Genomic_DNA.
DR   RefSeq; WP_011054060.1; NC_004061.1.
DR   AlphaFoldDB; Q8K907; -.
DR   SMR; Q8K907; -.
DR   STRING; 198804.BUsg_556; -.
DR   EnsemblBacteria; AAM68094; AAM68094; BUsg_556.
DR   KEGG; bas:BUsg_556; -.
DR   eggNOG; COG0254; Bacteria.
DR   HOGENOM; CLU_114306_4_3_6; -.
DR   OMA; WYPDAKV; -.
DR   OrthoDB; 2014569at2; -.
DR   Proteomes; UP000000416; 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..72
FT                   /note="50S ribosomal protein L31"
FT                   /id="PRO_0000173088"
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         37
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00501"
FT   BINDING         40
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00501"
SQ   SEQUENCE   72 AA;  8244 MW;  CEECEE9DC6A2C565 CRC64;
     MKKKIHPAYS QIIATCSCGN IIEIFSTVNV NLNLDICAKC HPFYTGKQRI IDTGGRVERF
     KKRFKLIKKD TV