ID   RL21_MYCPU              Reviewed;          99 AA.
AC   Q98QN1;
DT   09-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT   09-JAN-2007, sequence version 2.
DT   03-AUG-2022, entry version 90.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363}; OrderedLocusNames=MYPU_3300;
OS   Mycoplasmopsis pulmonis (strain UAB CTIP) (Mycoplasma pulmonis).
OC   Bacteria; Tenericutes; Mollicutes; Mycoplasmataceae; Mycoplasmopsis.
OX   NCBI_TaxID=272635;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UAB CTIP;
RX   PubMed=11353084; DOI=10.1093/nar/29.10.2145;
RA   Chambaud I., Heilig R., Ferris S., Barbe V., Samson D., Galisson F.,
RA   Moszer I., Dybvig K., Wroblewski H., Viari A., Rocha E.P.C., Blanchard A.;
RT   "The complete genome sequence of the murine respiratory pathogen Mycoplasma
RT   pulmonis.";
RL   Nucleic Acids Res. 29:2145-2153(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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=CAC13503.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AL445564; CAC13503.1; ALT_INIT; Genomic_DNA.
DR   PIR; B90553; B90553.
DR   RefSeq; WP_010925134.1; NC_002771.1.
DR   AlphaFoldDB; Q98QN1; -.
DR   SMR; Q98QN1; -.
DR   STRING; 272635.MYPU_3300; -.
DR   EnsemblBacteria; CAC13503; CAC13503; CAC13503.
DR   KEGG; mpu:MYPU_3300; -.
DR   eggNOG; COG0261; Bacteria.
DR   HOGENOM; CLU_061463_3_1_14; -.
DR   OrthoDB; 1949059at2; -.
DR   BioCyc; MPUL272635:G1GT6-330-MON; -.
DR   Proteomes; UP000000528; 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..99
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_0000270694"
SQ   SEQUENCE   99 AA;  11456 MW;  19355B2ECE6FBA58 CRC64;
     MYAIIEVGGK QLLVKEQEVI FTEKIEGNAG EKVEFDKVLL FGDKVGRPYL EKVKVIGEIQ
     KQSKHKKIIV YRHNAKSTHK RKLGHRQPYT RVKILEIKG