ID   RL21_SPHAL              Reviewed;         164 AA.
AC   Q1GRH2;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   27-JUN-2006, sequence version 1.
DT   03-AUG-2022, entry version 84.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363}; OrderedLocusNames=Sala_2041;
OS   Sphingopyxis alaskensis (strain DSM 13593 / LMG 18877 / RB2256)
OS   (Sphingomonas alaskensis).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales;
OC   Sphingomonadaceae; Sphingopyxis.
OX   NCBI_TaxID=317655;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 13593 / LMG 18877 / RB2256;
RX   PubMed=19805210; DOI=10.1073/pnas.0903507106;
RA   Lauro F.M., McDougald D., Thomas T., Williams T.J., Egan S., Rice S.,
RA   DeMaere M.Z., Ting L., Ertan H., Johnson J., Ferriera S., Lapidus A.,
RA   Anderson I., Kyrpides N., Munk A.C., Detter C., Han C.S., Brown M.V.,
RA   Robb F.T., Kjelleberg S., Cavicchioli R.;
RT   "The genomic basis of trophic strategy in marine bacteria.";
RL   Proc. Natl. Acad. Sci. U.S.A. 106:15527-15533(2009).
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; CP000356; ABF53750.1; -; Genomic_DNA.
DR   RefSeq; WP_011542326.1; NC_008048.1.
DR   AlphaFoldDB; Q1GRH2; -.
DR   SMR; Q1GRH2; -.
DR   STRING; 317655.Sala_2041; -.
DR   EnsemblBacteria; ABF53750; ABF53750; Sala_2041.
DR   KEGG; sal:Sala_2041; -.
DR   eggNOG; COG0261; Bacteria.
DR   HOGENOM; CLU_061463_1_1_5; -.
DR   OMA; HRQEITR; -.
DR   OrthoDB; 1949059at2; -.
DR   Proteomes; UP000006578; 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..164
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_0000269383"
FT   REGION          101..164
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        101..119
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        127..164
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   164 AA;  17291 MW;  CD0AB1664DED9D3D CRC64;
     MFAIVRTGGK QYRVAAGDKI AVEKIEGEAG DTVSLGDVLL AGDGGEVKDA KGLTVSAEII
     AQTRGEKVIV FKKRRRHNYR RRNGHRQSLT LLRILAVGEA RKAAPKKEAA PKEEAAPKAE
     AKAAAPAKEA APKKEAAPKK AAAPKAEAAE KKPAARKAAP KKDA