ID   RL21_XANP2              Reviewed;         124 AA.
AC   A7IH93;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   11-SEP-2007, sequence version 1.
DT   03-AUG-2022, entry version 70.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363}; OrderedLocusNames=Xaut_2142;
OS   Xanthobacter autotrophicus (strain ATCC BAA-1158 / Py2).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Xanthobacteraceae; Xanthobacter.
OX   NCBI_TaxID=78245;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1158 / Py2;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Hammon N.,
RA   Israni S., Dalin E., Tice H., Pitluck S., Sims D., Brettin T., Bruce D.,
RA   Detter J.C., Han C., Tapia R., Brainard J., Schmutz J., Larimer F.,
RA   Land M., Hauser L., Kyrpides N., Kim E., Ensigns S.A., Richardson P.;
RT   "Complete sequence of chromosome of Xanthobacter autotrophicus Py2.";
RL   Submitted (JUL-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: This protein binds to 23S rRNA in the presence of protein
CC       L20. {ECO:0000255|HAMAP-Rule:MF_01363}.
CC   -!- SUBUNIT: Part of the 50S ribosomal subunit. Contacts protein L20.
CC       {ECO:0000255|HAMAP-Rule:MF_01363}.
CC   -!- SIMILARITY: Belongs to the bacterial ribosomal protein bL21 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01363}.
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DR   EMBL; CP000781; ABS67386.1; -; Genomic_DNA.
DR   RefSeq; WP_012114167.1; NC_009720.1.
DR   AlphaFoldDB; A7IH93; -.
DR   SMR; A7IH93; -.
DR   STRING; 78245.Xaut_2142; -.
DR   EnsemblBacteria; ABS67386; ABS67386; Xaut_2142.
DR   KEGG; xau:Xaut_2142; -.
DR   eggNOG; COG0261; Bacteria.
DR   HOGENOM; CLU_061463_3_2_5; -.
DR   OMA; HRQEITR; -.
DR   OrthoDB; 1949059at2; -.
DR   PhylomeDB; A7IH93; -.
DR   Proteomes; UP000002417; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProt.
DR   GO; GO:0005840; C:ribosome; IEA:UniProtKB-KW.
DR   GO; GO:0019843; F:rRNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003735; F:structural constituent of ribosome; IEA:InterPro.
DR   GO; GO:0006412; P:translation; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_01363; Ribosomal_L21; 1.
DR   InterPro; IPR036164; L21-like_sf.
DR   InterPro; IPR028909; L21p-like.
DR   InterPro; IPR001787; Ribosomal_L21.
DR   PANTHER; PTHR21349; PTHR21349; 1.
DR   Pfam; PF00829; Ribosomal_L21p; 1.
DR   SUPFAM; SSF141091; SSF141091; 1.
DR   TIGRFAMs; TIGR00061; L21; 1.
PE   3: Inferred from homology;
KW   Reference proteome; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding.
FT   CHAIN           1..124
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_1000143872"
FT   REGION          105..124
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   124 AA;  13244 MW;  82CFDC62123F6B8D CRC64;
     MFAVIKANGK QYRVAAADEI TIDHLDAEVG SVFTFPVLML GGATVAIGAP HVDGATVTGE
     VVEQTRGDKV IAFKKRRRQN SRRKRGFRAD LTVVRITEIS GLGETVKAEP KSKRAPAPEA
     AADA