ID   RL21_CAUVC              Reviewed;         171 AA.
AC   Q9ABB2;
DT   09-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2001, sequence version 1.
DT   03-AUG-2022, entry version 93.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363}; OrderedLocusNames=CC_0319;
OS   Caulobacter vibrioides (strain ATCC 19089 / CB15) (Caulobacter crescentus).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Caulobacterales;
OC   Caulobacteraceae; Caulobacter.
OX   NCBI_TaxID=190650;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 19089 / CB15;
RX   PubMed=11259647; DOI=10.1073/pnas.061029298;
RA   Nierman W.C., Feldblyum T.V., Laub M.T., Paulsen I.T., Nelson K.E.,
RA   Eisen J.A., Heidelberg J.F., Alley M.R.K., Ohta N., Maddock J.R.,
RA   Potocka I., Nelson W.C., Newton A., Stephens C., Phadke N.D., Ely B.,
RA   DeBoy R.T., Dodson R.J., Durkin A.S., Gwinn M.L., Haft D.H., Kolonay J.F.,
RA   Smit J., Craven M.B., Khouri H.M., Shetty J., Berry K.J., Utterback T.R.,
RA   Tran K., Wolf A.M., Vamathevan J.J., Ermolaeva M.D., White O.,
RA   Salzberg S.L., Venter J.C., Shapiro L., Fraser C.M.;
RT   "Complete genome sequence of Caulobacter crescentus.";
RL   Proc. Natl. Acad. Sci. U.S.A. 98:4136-4141(2001).
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; AE005673; AAK22306.1; -; Genomic_DNA.
DR   PIR; F87288; F87288.
DR   RefSeq; NP_419138.1; NC_002696.2.
DR   RefSeq; WP_010918208.1; NC_002696.2.
DR   AlphaFoldDB; Q9ABB2; -.
DR   SMR; Q9ABB2; -.
DR   STRING; 190650.CC_0319; -.
DR   EnsemblBacteria; AAK22306; AAK22306; CC_0319.
DR   KEGG; ccr:CC_0319; -.
DR   PATRIC; fig|190650.5.peg.318; -.
DR   eggNOG; COG0261; Bacteria.
DR   HOGENOM; CLU_061463_1_1_5; -.
DR   OMA; HRQEITR; -.
DR   BioCyc; CAULO:CC0319-MON; -.
DR   Proteomes; UP000001816; 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..171
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_0000270647"
FT   REGION          144..171
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        149..171
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   171 AA;  17858 MW;  7AEEEA1AD0273280 CRC64;
     MYAVIKTGGK QYRVQAGDLL VVEKLEGEPG AAVAFGEVLM LGEGEAVTVG APTVDGAVVS
     GTLLETRKGE KVKIFKKIRR QGYRRTRGHR QFESVVRVTS VAGAGKEAKW EGTIDLTPKV
     ILDARARGLG DAAVPATIPA PVEAAPAKAE AAPKKKAAPK KAAAKTEEGE A