ID   RL21_RHOPA              Reviewed;         126 AA.
AC   Q6NDF0;
DT   21-FEB-2006, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   03-AUG-2022, entry version 94.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
DE   AltName: Full=RRP-L21;
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363}; OrderedLocusNames=RPA0158;
OS   Rhodopseudomonas palustris (strain ATCC BAA-98 / CGA009).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Rhodopseudomonas.
OX   NCBI_TaxID=258594;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-98 / CGA009;
RX   PubMed=14704707; DOI=10.1038/nbt923;
RA   Larimer F.W., Chain P., Hauser L., Lamerdin J.E., Malfatti S., Do L.,
RA   Land M.L., Pelletier D.A., Beatty J.T., Lang A.S., Tabita F.R.,
RA   Gibson J.L., Hanson T.E., Bobst C., Torres y Torres J.L., Peres C.,
RA   Harrison F.H., Gibson J., Harwood C.S.;
RT   "Complete genome sequence of the metabolically versatile photosynthetic
RT   bacterium Rhodopseudomonas palustris.";
RL   Nat. Biotechnol. 22:55-61(2004).
RN   [2]
RP   MASS SPECTROMETRY.
RC   STRAIN=ATCC BAA-98 / CGA009;
RX   PubMed=15473684; DOI=10.1021/pr049940z;
RA   Strader M.B., VerBerkmoes N.C., Tabb D.L., Connelly H.M., Barton J.W.,
RA   Bruce B.D., Pelletier D.A., Davison B.H., Hettich R.L., Larimer F.W.,
RA   Hurst G.B.;
RT   "Characterization of the 70S ribosome from Rhodopseudomonas palustris using
RT   an integrated 'top-down' and 'bottom-up' mass spectrometric approach.";
RL   J. Proteome Res. 3:965-978(2004).
CC   -!- FUNCTION: This protein binds to 23S rRNA in the presence of protein
CC       L20. {ECO:0000255|HAMAP-Rule:MF_01363}.
CC   -!- SUBUNIT: Contacts protein L20 (By similarity). Part of the 50S
CC       ribosomal subunit. {ECO:0000250}.
CC   -!- MASS SPECTROMETRY: Mass=13358.5; Method=Electrospray;
CC       Evidence={ECO:0000269|PubMed:15473684};
CC   -!- SIMILARITY: Belongs to the bacterial ribosomal protein bL21 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01363}.
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DR   EMBL; BX572593; CAE25602.1; -; Genomic_DNA.
DR   RefSeq; WP_011155726.1; NC_005296.1.
DR   AlphaFoldDB; Q6NDF0; -.
DR   SMR; Q6NDF0; -.
DR   IntAct; Q6NDF0; 1.
DR   STRING; 258594.RPA0158; -.
DR   PRIDE; Q6NDF0; -.
DR   EnsemblBacteria; CAE25602; CAE25602; RPA0158.
DR   GeneID; 66891161; -.
DR   KEGG; rpa:RPA0158; -.
DR   eggNOG; COG0261; Bacteria.
DR   HOGENOM; CLU_061463_1_2_5; -.
DR   OMA; HRQEITR; -.
DR   PhylomeDB; Q6NDF0; -.
DR   BioCyc; RPAL258594:TX73_RS00810-MON; -.
DR   Proteomes; UP000001426; 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   1: Evidence at protein level;
KW   Reference proteome; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding.
FT   INIT_MET        1
FT                   /note="Removed"
FT   CHAIN           2..126
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_0000224159"
FT   REGION          105..126
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   126 AA;  13491 MW;  E64AB56EF9258C5A CRC64;
     MFAVIKTGGR QYRVVPEDVL EVGKIDGDVG SIIQLGEVLV LGGDTPVLGA PTVAGATVAA
     EVLDHKRGPK VIAFKKRRRK HSKRKRGYRD EITVLRITEI LADGKKPSVG PRAKRTKAAP
     AAEAAE