ID   RK21_ZYGCR              Reviewed;         118 AA.
AC   Q32RF8;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   25-MAY-2022, entry version 54.
DE   RecName: Full=50S ribosomal protein L21, chloroplastic {ECO:0000255|HAMAP-Rule:MF_01363};
GN   Name=rpl21 {ECO:0000255|HAMAP-Rule:MF_01363};
OS   Zygnema circumcarinatum (Green alga).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Zygnemophyceae; Zygnematophycidae;
OC   Zygnematales; Zygnemataceae; Zygnema.
OX   NCBI_TaxID=35869;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=16236178; DOI=10.1186/1741-7007-3-22;
RA   Turmel M., Otis C., Lemieux C.;
RT   "The complete chloroplast DNA sequences of the charophycean green algae
RT   Staurastrum and Zygnema reveal that the chloroplast genome underwent
RT   extensive changes during the evolution of the Zygnematales.";
RL   BMC Biol. 3:22-22(2005).
CC   -!- FUNCTION: This protein binds to 23S rRNA. {ECO:0000255|HAMAP-
CC       Rule:MF_01363}.
CC   -!- SUBUNIT: Part of the 50S ribosomal subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_01363}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast.
CC   -!- SIMILARITY: Belongs to the bacterial ribosomal protein bL21 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01363}.
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DR   EMBL; AY958086; AAX45856.1; -; Genomic_DNA.
DR   RefSeq; YP_636568.1; NC_008117.1.
DR   AlphaFoldDB; Q32RF8; -.
DR   SMR; Q32RF8; -.
DR   GeneID; 4108176; -.
DR   GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
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   InterPro; IPR018258; Ribosomal_L21_CS.
DR   PANTHER; PTHR21349; PTHR21349; 1.
DR   Pfam; PF00829; Ribosomal_L21p; 1.
DR   SUPFAM; SSF141091; SSF141091; 1.
DR   TIGRFAMs; TIGR00061; L21; 1.
DR   PROSITE; PS01169; RIBOSOMAL_L21; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Plastid; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding.
FT   CHAIN           1..118
FT                   /note="50S ribosomal protein L21, chloroplastic"
FT                   /id="PRO_0000269451"
SQ   SEQUENCE   118 AA;  13688 MW;  AC7249FE6F501D7F CRC64;
     MKTYAIIEAG GEQLQVEPGR FYNIRHLSLR GVNFWGQNTK LLLYRVLMIR HQSATVLGNP
     WVQNATVKGR ILDARRDDKL VIYKMRAKKK TRRKRGHRQG LTRFVVDAIC LNGKVLLD