ID   RL21_THET2              Reviewed;         101 AA.
AC   Q72HR2;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   27-MAR-2024, entry version 114.
DE   RecName: Full=Large ribosomal subunit protein bL21 {ECO:0000255|HAMAP-Rule:MF_01363};
DE   AltName: Full=50S ribosomal protein L21 {ECO:0000305};
GN   Name=rplU {ECO:0000255|HAMAP-Rule:MF_01363};
GN   OrderedLocusNames=TT_C1424;
OS   Thermus thermophilus (strain ATCC BAA-163 / DSM 7039 / HB27).
OC   Bacteria; Deinococcota; Deinococci; Thermales; Thermaceae; Thermus.
OX   NCBI_TaxID=262724;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-163 / DSM 7039 / HB27;
RX   PubMed=15064768; DOI=10.1038/nbt956;
RA   Henne A., Brueggemann H., Raasch C., Wiezer A., Hartsch T., Liesegang H.,
RA   Johann A., Lienard T., Gohl O., Martinez-Arias R., Jacobi C.,
RA   Starkuviene V., Schlenczeck S., Dencker S., Huber R., Klenk H.-P.,
RA   Kramer W., Merkl R., Gottschalk G., Fritz H.-J.;
RT   "The genome sequence of the extreme thermophile Thermus thermophilus.";
RL   Nat. Biotechnol. 22:547-553(2004).
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   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; AE017221; AAS81766.1; -; Genomic_DNA.
DR   RefSeq; WP_008633581.1; NZ_CP133179.1.
DR   PDB; 4V4I; X-ray; 3.71 A; P=1-101.
DR   PDB; 4V4J; X-ray; 3.83 A; P=1-101.
DR   PDB; 4V63; X-ray; 3.21 A; BV/DV=1-101.
DR   PDB; 4V67; X-ray; 3.00 A; BV/DV=1-101.
DR   PDB; 4V7P; X-ray; 3.62 A; BR/CR=1-101.
DR   PDB; 4V83; X-ray; 3.50 A; BR/DR=1-101.
DR   PDB; 4V84; X-ray; 3.40 A; BR/DR=1-101.
DR   PDB; 4V9J; X-ray; 3.86 A; BV/DV=1-101.
DR   PDB; 4V9K; X-ray; 3.50 A; BV/DV=1-101.
DR   PDB; 4V9L; X-ray; 3.50 A; BV/DV=1-101.
DR   PDB; 4V9M; X-ray; 4.00 A; BV/DV=1-101.
DR   PDB; 4V9N; X-ray; 3.40 A; BV/DV=1-101.
DR   PDB; 4V9Q; X-ray; 3.40 A; AR/CR=1-101.
DR   PDB; 4W29; X-ray; 3.80 A; BV/DV=1-101.
DR   PDB; 4XEJ; X-ray; 3.80 A; AL21/BL21=1-101.
DR   PDB; 5J4D; X-ray; 3.10 A; S/XB=1-101.
DR   PDB; 5V8I; X-ray; 3.25 A; 1V/2V=1-101.
DR   PDB; 6B4V; X-ray; 3.40 A; S/WB=1-101.
DR   PDB; 6BOH; X-ray; 3.40 A; S/XB=1-101.
DR   PDB; 6BOK; X-ray; 3.55 A; S/VB=1-101.
DR   PDB; 6N1D; X-ray; 3.20 A; AL21/BL21=1-101.
DR   PDBsum; 4V4I; -.
DR   PDBsum; 4V4J; -.
DR   PDBsum; 4V63; -.
DR   PDBsum; 4V67; -.
DR   PDBsum; 4V7P; -.
DR   PDBsum; 4V83; -.
DR   PDBsum; 4V84; -.
DR   PDBsum; 4V9J; -.
DR   PDBsum; 4V9K; -.
DR   PDBsum; 4V9L; -.
DR   PDBsum; 4V9M; -.
DR   PDBsum; 4V9N; -.
DR   PDBsum; 4V9Q; -.
DR   PDBsum; 4W29; -.
DR   PDBsum; 4XEJ; -.
DR   PDBsum; 5J4D; -.
DR   PDBsum; 5V8I; -.
DR   PDBsum; 6B4V; -.
DR   PDBsum; 6BOH; -.
DR   PDBsum; 6BOK; -.
DR   PDBsum; 6N1D; -.
DR   AlphaFoldDB; Q72HR2; -.
DR   SMR; Q72HR2; -.
DR   IntAct; Q72HR2; 4.
DR   GeneID; 3169471; -.
DR   KEGG; tth:TT_C1424; -.
DR   eggNOG; COG0261; Bacteria.
DR   HOGENOM; CLU_061463_3_2_0; -.
DR   OrthoDB; 9813334at2; -.
DR   EvolutionaryTrace; Q72HR2; -.
DR   Proteomes; UP000000592; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProt.
DR   GO; GO:1990904; C:ribonucleoprotein complex; IEA:UniProtKB-KW.
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_bL21; 1.
DR   InterPro; IPR028909; bL21-like.
DR   InterPro; IPR036164; bL21-like_sf.
DR   InterPro; IPR001787; Ribosomal_bL21.
DR   NCBIfam; TIGR00061; L21; 1.
DR   PANTHER; PTHR21349:SF0; 39S RIBOSOMAL PROTEIN L21, MITOCHONDRIAL; 1.
DR   PANTHER; PTHR21349; 50S RIBOSOMAL PROTEIN L21; 1.
DR   Pfam; PF00829; Ribosomal_L21p; 1.
DR   SUPFAM; SSF141091; L21p-like; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Ribonucleoprotein; Ribosomal protein; RNA-binding;
KW   rRNA-binding.
FT   CHAIN           1..101
FT                   /note="Large ribosomal subunit protein bL21"
FT                   /id="PRO_0000269415"
FT   STRAND          4..7
FT                   /evidence="ECO:0007829|PDB:4V67"
FT   STRAND          10..13
FT                   /evidence="ECO:0007829|PDB:4V67"
FT   STRAND          19..23
FT                   /evidence="ECO:0007829|PDB:4V67"
FT   STRAND          32..34
FT                   /evidence="ECO:0007829|PDB:4V67"
FT   STRAND          42..44
FT                   /evidence="ECO:0007829|PDB:4V9K"
FT   STRAND          48..51
FT                   /evidence="ECO:0007829|PDB:4V67"
FT   STRAND          53..55
FT                   /evidence="ECO:0007829|PDB:4V9L"
FT   STRAND          58..65
FT                   /evidence="ECO:0007829|PDB:4V67"
FT   STRAND          70..76
FT                   /evidence="ECO:0007829|PDB:4V67"
FT   TURN            77..80
FT                   /evidence="ECO:0007829|PDB:4V67"
FT   STRAND          81..87
FT                   /evidence="ECO:0007829|PDB:4V67"
FT   STRAND          91..96
FT                   /evidence="ECO:0007829|PDB:4V67"
FT   STRAND          98..100
FT                   /evidence="ECO:0007829|PDB:4V9K"
SQ   SEQUENCE   101 AA;  11047 MW;  3117549029950A0C CRC64;
     MFAIVKTGGK QYRVEPGLKL RVEKLDAEPG ATVELPVLLL GGEKTVVGTP VVEGASVVAE
     VLGHGRGKKI LVSKFKAKVQ YRRKKGHRQP YTELLIKEIR G
//