O84425 (RL21_CHLTR) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
50S ribosomal protein L21

Gene names

Name:	rplU
Synonyms:	rl21
Ordered Locus Names:	CT_420

Organism

Chlamydia trachomatis

Taxonomic identifier

813 [NCBI]

Taxonomic lineage

Bacteria › Chlamydiae › Chlamydiales › Chlamydiaceae › Chlamydia/Chlamydophila group › Chlamydia

Protein attributes

Sequence length	107 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Function	This protein binds to 23S rRNA in the presence of protein L20 By similarity. HAMAP MF_01363
Subunit structure	Part of the 50S ribosomal subunit. Contacts protein L20 By similarity.
Sequence similarities	Belongs to the ribosomal protein L21P family.

Ontologies

Keywords
Ligand	RNA-binding rRNA-binding
Molecular function	Ribonucleoprotein Ribosomal protein
Technical term	Complete proteome Reference proteome
Gene Ontology (GO)
Biological process	translation Inferred from electronic annotation. Source: InterPro
Cellular component	ribosome Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	rRNA binding Inferred from electronic annotation. Source: UniProtKB-KW 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 – 107	107	50S ribosomal protein L21 HAMAP MF_01363		PRO_0000180997

Sequences

	Sequence		Length	Mass (Da)
	O84425 [UniParc]. Last modified November 1, 1998. Version 1. Checksum: 49CA7037B71B39D4	FASTA	107	12,163
	10 20 30 40 50 60 MEPYAVIQTG NKQYQVRKGD VIDVELLDGI SEENKEVLFQ DVLFTFDGEK ASVGAPTVGN 70 80 90 100 AVVKGELVSF VRGEKVVAYK YKKRKNYHKK IGHRQNYLRV KISDLVM

References

[1]	"Genome sequence of an obligate intracellular pathogen of humans: Chlamydia trachomatis." Stephens R.S., Kalman S., Lammel C.J., Fan J., Marathe R., Aravind L., Mitchell W.P., Olinger L., Tatusov R.L., Zhao Q., Koonin E.V., Davis R.W. Science 282:754-759(1998) [PubMed: 9784136] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: D/UW-3/Cx.
+	Additional computationally mapped references.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AE001273 Genomic DNA. Translation: AAC68017.1.
PIR	G71517.
RefSeq	NP_219930.1. NC_000117.1.
3D structure databases
ProteinModelPortal	O84425.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	884693.
GenomeReviews	Gene locus CT_420 in contig AE001273_GR.
KEGG	ctr:CT420.
PATRIC	20380395. VBIChlTra43535_0451.
Phylogenomic databases
HOGENOM	HBG706775.
OMA	IKVEQIA.
PhylomeDB	O84425.
ProtClustDB	PRK05573.
Family and domain databases
HAMAP	MF_01363. Ribosomal_L21. [Tree]
InterPro	IPR001787. Ribosomal_L21. IPR018258. Ribosomal_L21_CS. [Graphical view]
KO	K02888.
PANTHER	PTHR21349. Ribosomal_L21p. 1 hit.
Pfam	PF00829. Ribosomal_L21p. 1 hit. [Graphical view]
TIGRFAMs	TIGR00061. L21. 1 hit.
PROSITE	PS01169. RIBOSOMAL_L21. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

RL21_CHLTR

Accession

Primary (citable) accession number: O84425

Entry history

Integrated into UniProtKB/Swiss-Prot:	May 30, 2000
Last sequence update:	November 1, 1998
Last modified:	January 25, 2012
This is version 58 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program