Reviewed, UniProtKB/Swiss-Prot Q9ZEA5 (RS18_RICPR)

Names and origin

Protein names

Recommended name:
    30S ribosomal protein S18

Gene names

Name:	rpsR
Ordered Locus Names:	RP040

Organism

Rickettsia prowazekii [Complete proteome] [HAMAP]

Taxonomic identifier

782 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Alphaproteobacteria › Rickettsiales › Rickettsiaceae › Rickettsieae › Rickettsia › typhus group

Protein attributes

Sequence length	95 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Binds as a heterodimer with protein S6 to the central domain of the 16S rRNA, where it helps stabilize the platform of the 30S subunit By similarity.
Subunit structure	Part of the 30S ribosomal subunit. Forms a tight heterodimer with protein S6 By similarity.
Sequence similarities	Belongs to the ribosomal protein S18P family.

Ontologies

Keywords
Ligand	RNA-binding rRNA-binding
Molecular function	Ribonucleoprotein Ribosomal protein
Technical term	Complete proteome
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 – 95	95	30S ribosomal protein S18 HAMAP MF_00270		PRO_0000111218

Sequences

	Sequence		Length	Mass (Da)
	Q9ZEA5-1 [UniParc]. Last modified May 1, 1999. Version 1. Checksum: 902C519871F4B45A	FASTA	95	10,557
	10 20 30 40 50 60 MLKSNNASET ATSKGVDKAA KKVFFRRRKG CPLSVPNAPV IDYKNPELLI KFVSEGGRML 70 80 90 PSRITNVCAK KQRKLNNAIK IARILALLPF VFQAK

References

[1]

"The genome sequence of Rickettsia prowazekii and the origin of mitochondria." Andersson S.G.E., Zomorodipour A., Andersson J.O., Sicheritz-Ponten T., Alsmark U.C.M., Podowski R.M., Naeslund A.K., Eriksson A.-S., Winkler H.H., Kurland C.G. Nature 396:133-140(1998) [PubMed: 9823893] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: Madrid E.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AJ235270 Genomic DNA. Translation: CAA14511.1.
PIR	H71711.
RefSeq	NP_220434.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	883576.
GenomeReviews	Gene locus RP040 in contig AJ235269_GR.
KEGG	rpr:RP040.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q9ZEA5.
OMA	YRRRKSC
Enzyme and pathway databases
BioCyc	RPRO272947:RP040-MON.
Family and domain databases
HAMAP	MF_00270. [Tree]
InterPro	IPR001648. Ribosomal_S18. IPR018275. Ribosomal_S18_CS. [Graphical view]
Gene3D	G3DSA:4.10.640.10. Ribosomal_S18. 1 hit.
PANTHER	PTHR13479. Ribosomal_S18. 1 hit.
Pfam	PF01084. Ribosomal_S18. 1 hit. [Graphical view]
PRINTS	PR00974. RIBOSOMALS18.
ProDom	PD002239. Ribosomal_S18. 1 hit. [Graphical view] [Entries sharing at least one domain]
TIGRFAMs	TIGR00165. S18. 1 hit.
PROSITE	PS00057. RIBOSOMAL_S18. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

RS18_RICPR

Accession

Primary (citable) accession number: Q9ZEA5

Entry history

Integrated into UniProtKB/Swiss-Prot:	May 30, 2000
Last sequence update:	May 1, 1999
Last modified:	November 24, 2009
This is version 46 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

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