ID   RL21_MYCS5              Reviewed;         100 AA.
AC   Q4A5L2;
DT   09-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT   09-JAN-2007, sequence version 2.
DT   03-AUG-2022, entry version 85.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363}; OrderedLocusNames=MS53_0551;
OS   Mycoplasmopsis synoviae (strain 53) (Mycoplasma synoviae).
OC   Bacteria; Tenericutes; Mollicutes; Mycoplasmataceae; Mycoplasmopsis.
OX   NCBI_TaxID=262723;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=53;
RX   PubMed=16077101; DOI=10.1128/jb.187.16.5568-5577.2005;
RA   Vasconcelos A.T.R., Ferreira H.B., Bizarro C.V., Bonatto S.L.,
RA   Carvalho M.O., Pinto P.M., Almeida D.F., Almeida L.G.P., Almeida R.,
RA   Alves-Junior L., Assuncao E.N., Azevedo V.A.C., Bogo M.R., Brigido M.M.,
RA   Brocchi M., Burity H.A., Camargo A.A., Camargo S.S., Carepo M.S.,
RA   Carraro D.M., de Mattos Cascardo J.C., Castro L.A., Cavalcanti G.,
RA   Chemale G., Collevatti R.G., Cunha C.W., Dallagiovanna B., Dambros B.P.,
RA   Dellagostin O.A., Falcao C., Fantinatti-Garboggini F., Felipe M.S.S.,
RA   Fiorentin L., Franco G.R., Freitas N.S.A., Frias D., Grangeiro T.B.,
RA   Grisard E.C., Guimaraes C.T., Hungria M., Jardim S.N., Krieger M.A.,
RA   Laurino J.P., Lima L.F.A., Lopes M.I., Loreto E.L.S., Madeira H.M.F.,
RA   Manfio G.P., Maranhao A.Q., Martinkovics C.T., Medeiros S.R.B.,
RA   Moreira M.A.M., Neiva M., Ramalho-Neto C.E., Nicolas M.F., Oliveira S.C.,
RA   Paixao R.F.C., Pedrosa F.O., Pena S.D.J., Pereira M., Pereira-Ferrari L.,
RA   Piffer I., Pinto L.S., Potrich D.P., Salim A.C.M., Santos F.R., Schmitt R.,
RA   Schneider M.P.C., Schrank A., Schrank I.S., Schuck A.F., Seuanez H.N.,
RA   Silva D.W., Silva R., Silva S.C., Soares C.M.A., Souza K.R.L., Souza R.C.,
RA   Staats C.C., Steffens M.B.R., Teixeira S.M.R., Urmenyi T.P.,
RA   Vainstein M.H., Zuccherato L.W., Simpson A.J.G., Zaha A.;
RT   "Swine and poultry pathogens: the complete genome sequences of two strains
RT   of Mycoplasma hyopneumoniae and a strain of Mycoplasma synoviae.";
RL   J. Bacteriol. 187:5568-5577(2005).
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; AE017245; AAZ43959.2; -; Genomic_DNA.
DR   RefSeq; WP_011283688.1; NC_007294.1.
DR   AlphaFoldDB; Q4A5L2; -.
DR   SMR; Q4A5L2; -.
DR   STRING; 262723.MS53_0551; -.
DR   EnsemblBacteria; AAZ43959; AAZ43959; MS53_0551.
DR   GeneID; 61970770; -.
DR   KEGG; msy:MS53_0551; -.
DR   eggNOG; COG0261; Bacteria.
DR   HOGENOM; CLU_061463_3_1_14; -.
DR   OMA; HRQEITR; -.
DR   Proteomes; UP000000549; 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..100
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_0000270695"
SQ   SEQUENCE   100 AA;  11232 MW;  47060064A00A6AB1 CRC64;
     MFAIIETGGK QILVKEGDSI YVEKLEGQEK SEVKFDKVLA VNDVFGKPYV TGAVVHGTIE
     KQGKAKKIVV YRHNPKSTHK RKLGHRQPYT LVKITKIKGK