Reviewed, UniProtKB/Swiss-Prot Q9RY64 (RL21_DEIRA)

Names and origin

Protein names

Recommended name:
    50S ribosomal protein L21

Gene names

Name:	rplU
Ordered Locus Names:	DR_0086

Organism

Deinococcus radiodurans [Complete proteome] [HAMAP]

Taxonomic identifier

1299 [NCBI]

Taxonomic lineage

Bacteria › Deinococcus-Thermus › Deinococci › Deinococcales › Deinococcaceae › Deinococcus

Protein attributes

Sequence length	100 AA.
Sequence status	Complete.
Protein existence	Evidence at protein level.

General annotation (Comments)

Function	Binds directly to 23S rRNA, probably serving to organize its structure. HAMAP MF_01363
Subunit structure	Part of the 50S ribosomal subunit. Contacts proteins L15 and L20. Ref.2 Ref.3 Ref.4 Ref.5 Ref.6 Ref.7 Ref.8
Sequence similarities	Belongs to the ribosomal protein L21P family.

Ontologies

Keywords
Ligand	RNA-binding rRNA-binding
Molecular function	Ribonucleoprotein Ribosomal protein
Technical term	3D-structure Complete proteome Direct protein sequencing
Gene Ontology (GO)
Biological process	translation Inferred from electronic annotation. Source: HAMAP
Cellular component	ribosome Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	rRNA binding Inferred from electronic annotation. Source: HAMAP structural constituent of ribosome Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

Feature key

Position(s)

Length

Description

Graphical view

Feature identifier

Molecule processing

Chain

1 – 100

100

50S ribosomal protein L21 HAMAP MF_01363

PRO_0000180999

Secondary structure

1

.

.

.

.

.

.

.

.

.

.

.

.

.

100

Helix Strand Turn

Details...

Beta strand

19 – 21

3

Beta strand

32 – 34

3

Beta strand

56 – 62

7

Beta strand

71 – 74

4

Beta strand

81 – 84

4

Beta strand

90 – 94

5

Sequences

	Sequence		Length	Mass (Da)
	Q9RY64-1 [UniParc]. Last modified March 15, 2004. Version 2. Checksum: 98F6DEFE41810D1F	FASTA	100	11,147
	10 20 30 40 50 60 MFAIIQTGGK QYRVSEGDVI RVESLQGEAG DKVELKALFV GGEQTVFGED AGKYTVQAEV 70 80 90 100 VEHGRGKKIY IRKYKSGVQY RRRTGHRQNF TAIKILGIQG

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"Genome sequence of the radioresistant bacterium Deinococcus radiodurans R1." White O., Eisen J.A., Heidelberg J.F., Hickey E.K., Peterson J.D., Dodson R.J., Haft D.H., Gwinn M.L., Nelson W.C., Richardson D.L., Moffat K.S., Qin H., Jiang L., Pamphile W., Crosby M., Shen M., Vamathevan J.J., Lam P. , McDonald L.A., Utterback T.R., Zalewski C., Makarova K.S., Aravind L., Daly M.J., Minton K.W., Fleischmann R.D., Ketchum K.A., Nelson K.E., Salzberg S.L., Smith H.O., Venter J.C., Fraser C.M. Science 286:1571-1577(1999) [PubMed: 10567266] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 13939 / DSM 20539 / IFO 15346 / LMG 4051 / NCIB 9279 / R1.
[2]	"High resolution structure of the large ribosomal subunit from a mesophilic eubacterium." Harms J., Schluenzen F., Zarivach R., Bashan A., Gat S., Agmon I., Bartels H., Franceschi F., Yonath A. Cell 107:679-688(2001) [PubMed: 11733066] [Abstract] Cited for: X-RAY CRYSTALLOGRAPHY (3.1 ANGSTROMS) OF THE 50S SUBUNIT, PROTEIN SEQUENCE OF 1-5. Strain: ATCC 13939 / DSM 20539 / IFO 15346 / LMG 4051 / NCIB 9279 / R1.
[3]	"Structural basis for the interaction of antibiotics with the peptidyl transferase centre in eubacteria." Schluenzen F., Zarivach R., Harms J., Bashan A., Tocilj A., Albrecht R., Yonath A., Franceschi F. Nature 413:814-821(2001) [PubMed: 11677599] [Abstract] Cited for: X-RAY CRYSTALLOGRAPHY (3.1 ANGSTROMS) OF THE 50S SUBUNIT IN COMPLEX WITH FIVE ANTIBIOTICS. Strain: ATCC 13939 / DSM 20539 / IFO 15346 / LMG 4051 / NCIB 9279 / R1.
[4]	"Structural basis of the ribosomal machinery for peptide bond formation, translocation, and nascent chain progression." Bashan A., Agmon I., Zarivach R., Schluenzen F., Harms J., Berisio R., Bartels H., Franceschi F., Auerbach T., Hansen H.A., Kossoy E., Kessler M., Yonath A. Mol. Cell 11:91-102(2003) [PubMed: 12535524] [Abstract] Cited for: X-RAY CRYSTALLOGRAPHY (3.5 ANGSTROMS) OF THE 50S SUBUNIT IN COMPLEX WITH TRNA MIMICS. Strain: ATCC 13939 / DSM 20539 / IFO 15346 / LMG 4051 / NCIB 9279 / R1.
[5]	"Structural basis for the antibiotic activity of ketolides and azalides." Schluenzen F., Harms J.M., Franceschi F., Hansen H.A., Bartels H., Zarivach R., Yonath A. Structure 11:329-338(2003) [PubMed: 12623020] [Abstract] Cited for: X-RAY CRYSTALLOGRAPHY (3.3 ANGSTROMS) OF THE 50S SUBUNIT IN COMPLEX WITH MODIFIED MACROLIDE ANTIBIOTICS. Strain: ATCC 13939 / DSM 20539 / IFO 15346 / LMG 4051 / NCIB 9279 / R1.
[6]	"Structural insight into the role of the ribosomal tunnel in cellular regulation." Berisio R., Schluenzen F., Harms J., Bashan A., Auerbach T., Baram D., Yonath A. Nat. Struct. Biol. 10:366-370(2003) [PubMed: 12665853] [Abstract] Cited for: X-RAY CRYSTALLOGRAPHY (3.4 ANGSTROMS) OF THE 50S SUBUNIT IN COMPLEX WITH TROLEANDOMYCIN. Strain: ATCC 13939 / DSM 20539 / IFO 15346 / LMG 4051 / NCIB 9279 / R1.
[7]	"Alterations at the peptidyl transferase centre of the ribosome induced by the synergistic action of the streptogramins dalfopristin and quinupristin." Harms J.M., Schluenzen F., Fucini P., Bartels H., Yonath A. BMC Biol. 2:4-4(2004) [PubMed: 15059283] [Abstract] Cited for: X-RAY CRYSTALLOGRAPHY (3.4 ANGSTROMS) OF THE 50S SUBUNIT IN COMPLEX WITH THE STREPTOGRAMINS QUINUPRISTIN AND DALFOPRISTIN. Strain: ATCC 13939 / DSM 20539 / IFO 15346 / LMG 4051 / NCIB 9279 / R1.
[8]	"Inhibition of peptide bond formation by pleuromutilins: the structure of the 50S ribosomal subunit from Deinococcus radiodurans in complex with tiamulin." Schluenzen F., Pyetan E., Fucini P., Yonath A., Harms J.M. Mol. Microbiol. 54:1287-1294(2004) [PubMed: 15554968] [Abstract] Cited for: X-RAY CRYSTALLOGRAPHY (3.5 ANGSTROMS) OF THE 50S SUBUNIT IN COMPLEX WITH TIAMULIN. Strain: ATCC 13939 / DSM 20539 / IFO 15346 / LMG 4051 / NCIB 9279 / R1.
+	Additional computationally mapped references.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ

AE000513 Genomic DNA. Translation: AAF09679.1. Different initiation.

PIR

F75560.

RefSeq

NP_293812.1.

3D structure databases

PDBe
RCSB PDB
PDBj

Entry	Method	Resolution (Å)	Chain	Positions	PDBsum
1NKW	X-ray	3.10	P	1-100	[»]
1NWX	X-ray	3.50	P	1-100	[»]
1NWY	X-ray	3.30	P	1-100	[»]
1PNU	X-ray	8.70	P	1-100	[»]
1PNY	X-ray	9.50	P	1-100	[»]
1SM1	X-ray	3.42	P	1-100	[»]
1VOR	X-ray	11.50	S	1-100	[»]
1VOU	X-ray	11.50	S	1-100	[»]
1VOW	X-ray	11.50	S	1-100	[»]
1VOY	X-ray	11.50	S	1-100	[»]
1VP0	X-ray	11.50	S	1-100	[»]
1XBP	X-ray	3.50	P	1-100	[»]
1YL3	X-ray	5.50	2	1-100	[»]
2ZJP	X-ray	3.70	O	1-100	[»]
2ZJQ	X-ray	3.30	O	1-100	[»]
2ZJR	X-ray	2.91	O	1-100	[»]
3CF5	X-ray	3.30	O	1-100	[»]
3DLL	X-ray	3.50	O	1-100	[»]

ModBase

Search...

Genome annotation databases

GeneID

1799181.

GenomeReviews

Gene locus DR_0086 in contig AE000513_GR.

KEGG

dra:DR_0086.

TIGR

DR_0086.

Phylogenomic databases

HOGENOM

HBG706775.

OMA

IYIRKYK.

Enzyme and pathway databases

BioCyc

DRAD243230:DR_0086-MONOMER.

Family and domain databases

HAMAP

MF_01363. Ribosomal_L21.
[Tree]

InterPro

IPR001787. Ribosomal_L21.
[Graphical view]

PANTHER

PTHR21349. Ribosomal_L21p. 1 hit.

Pfam

PF00829. Ribosomal_L21p. 1 hit.
[Graphical view]

TIGRFAMs

TIGR00061. L21. 1 hit.

PROSITE

PS01169. RIBOSOMAL_L21. False negative.
[Graphical view]

ProtoNet

Search...

Entry information

Entry name

RL21_DEIRA

Accession

Primary (citable) accession number: Q9RY64

Entry history

Integrated into UniProtKB/Swiss-Prot:	March 15, 2004
Last sequence update:	March 15, 2004
Last modified:	February 9, 2010
This is version 59 of the entry and version 2 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)