AC MF_01363; DC Protein; auto c? or TR HAMAP; MF_01363; -; 1; level=0 XX Names: Ribosomal_bL21 XX case and not ID RL21 DE RecName: Full=Large ribosomal subunit protein bL21; GN Name=rplU; else case ID RL21 DE RecName: Full=Large ribosomal subunit protein bL21; GN Name=rplU; Synonyms=rpl21; else case ID RK21 DE RecName: Full=Large ribosomal subunit protein bL21c; GN Name=rpl21; end case XX case CC -!- FUNCTION: This protein binds to 23S rRNA in the presence of protein CC L20. CC -!- SUBUNIT: Part of the 50S ribosomal subunit. Contacts protein L20. else case CC -!- FUNCTION: This protein binds to 23S rRNA. CC -!- SUBUNIT: Part of the 50S ribosomal subunit. CC -!- SUBCELLULAR LOCATION: Plastid, chloroplast. end case CC -!- SIMILARITY: Belongs to the bacterial ribosomal protein bL21 family. XX DR PROSITE; PS01169; RIBOSOMAL_L21; 1; trigger=no DR Pfam; PF00829; Ribosomal_L21p; 1; trigger=no DR NCBIfam; TIGR00061; L21; 1; trigger=no XX KW Ribonucleoprotein KW Ribosomal protein KW RNA-binding KW rRNA-binding XX GO GO:0019843; F:rRNA binding GO GO:0006412; P:translation case GO GO:0009507; C:chloroplast end case XX Size: 95-164; Related: None; Template: Q9RY64; P0AG48; P60492; Scope: Bacteria Plastid Fusion: Nter: None Cter: None Duplicate: None Plasmid: None Comments: Quite a few of these proteins have a long C-terminal tail, up to nearly 150 residues in length for JANSC. XX # Revision 1.19 2023/09/22 //