ID   RL21_MARMM              Reviewed;         223 AA.
AC   Q0AKX7;
DT   09-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT   17-OCT-2006, sequence version 1.
DT   03-AUG-2022, entry version 86.
DE   RecName: Full=50S ribosomal protein L21 {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363}; OrderedLocusNames=Mmar10_2784;
OS   Maricaulis maris (strain MCS10).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Maricaulales; Maricaulaceae;
OC   Maricaulis.
OX   NCBI_TaxID=394221;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MCS10;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Saunders E., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Viollier P.,
RA   Stephens C., Richardson P.;
RT   "Complete sequence of Maricaulis maris MCS10.";
RL   Submitted (AUG-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000449; ABI67066.1; -; Genomic_DNA.
DR   RefSeq; WP_011644710.1; NC_008347.1.
DR   AlphaFoldDB; Q0AKX7; -.
DR   SMR; Q0AKX7; -.
DR   STRING; 394221.Mmar10_2784; -.
DR   EnsemblBacteria; ABI67066; ABI67066; Mmar10_2784.
DR   KEGG; mmr:Mmar10_2784; -.
DR   eggNOG; COG0261; Bacteria.
DR   eggNOG; COG3743; Bacteria.
DR   HOGENOM; CLU_061463_1_0_5; -.
DR   OMA; HRQEITR; -.
DR   OrthoDB; 1949059at2; -.
DR   Proteomes; UP000001964; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProt.
DR   GO; GO:0005840; C:ribosome; IEA:UniProtKB-KW.
DR   GO; GO:0000166; F:nucleotide binding; IEA:InterPro.
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; IPR010995; DNA_repair_Rad51/TF_NusA_a-hlx.
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   SUPFAM; SSF47794; SSF47794; 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..223
FT                   /note="50S ribosomal protein L21"
FT                   /id="PRO_0000270684"
FT   REGION          110..149
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        123..144
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   223 AA;  23247 MW;  88054C6DCE6C762E CRC64;
     MFAVIKTGGK QYRVAAGDEI RIEKLEGAAG DTLDLGDVLM LGSEAGVTVG SPTIDGAQVI
     GELLDTNRAR KIIVFKKRRR QNYRRTKGHR QWGTVVRIAE IVAPGEKAKT ALKSTTAEPK
     AADAPKAKAK AAPKAEKAAA PKAEKAPAKK AAAPKAAAAD ALTELTGVGP ALATKLNEAG
     ITTFAQVAAW TEADLDALSE TITGLKAKAE KNDWINAAKA LAK