P48946 (RS18_SYNY3) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
30S ribosomal protein S18

Gene names

Name:	rpsR
Synonyms:	rps18
Ordered Locus Names:	ssr1399

Organism

Synechocystis sp. (strain PCC 6803 / Kazusa) [Reference proteome] [HAMAP]

Taxonomic identifier

1111708 [NCBI]

Taxonomic lineage

cellular organisms › Bacteria › Cyanobacteria › Oscillatoriophycideae › Chroococcales › Synechocystis › Synechocystis sp. PCC 6803

Protein attributes

Sequence length	71 AA.
Sequence status	Complete.
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. HAMAP-Rule MF_00270
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 Reference 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 – 71	71	30S ribosomal protein S18 HAMAP-Rule MF_00270		PRO_0000111247

Sequences

	Sequence		Length	Mass (Da)
	P48946 [UniParc]. Last modified February 1, 1996. Version 1. Checksum: B753AA099934EA5F	FASTA	71	8,381
	10 20 30 40 50 60 MNYYRKRLSP LPPNQPIDYK DTELLRKFIT ERGKILPRRI TGLTAKQQRD LTTAVKRSRL 70 VALLPFVNKE I

References

[1]

"Sequence analysis of the genome of the unicellular cyanobacterium Synechocystis sp. strain PCC6803. I. Sequence features in the 1 Mb region from map positions 64% to 92% of the genome." Kaneko T., Tanaka A., Sato S., Kotani H., Sazuka T., Miyajima N., Sugiura M., Tabata S. DNA Res. 2:153-166(1995) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 27184 / PCC 6803 / N-1.

[2]

"Sequence analysis of the genome of the unicellular cyanobacterium Synechocystis sp. strain PCC6803. II. Sequence determination of the entire genome and assignment of potential protein-coding regions." Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y., Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T., Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S. , Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S. DNA Res. 3:109-136(1996) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: PCC 6803 / Kazusa.

Cross-references

Sequence databases
EMBL GenBank DDBJ	BA000022 Genomic DNA. Translation: BAA10509.1.
PIR	S75774.
RefSeq	NP_442439.1. NC_000911.1. YP_005652500.1. NC_017277.1. YP_007452315.1. NC_020286.1.
3D structure databases
ProteinModelPortal	P48946.
SMR	P48946. Positions 15-70.
ModBase	Search...
Protein-protein interaction databases
IntAct	P48946. 4 interactions.
STRING	1148.ssr1399.
Proteomic databases
PaxDb	P48946.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	BAA10509; BAA10509; BAA10509.
GeneID	12253812. 14617996. 951919.
KEGG	syn:ssr1399. syy:SYNGTS_2547.
PATRIC	23842578. VBISynSp132158_2828.
Phylogenomic databases
eggNOG	COG0238.
HOGENOM	HOG000218466.
KO	K02963.
OMA	LPFVNKE.
ProtClustDB	PRK00391.
Family and domain databases
Gene3D	4.10.640.10. 1 hit.
HAMAP	MF_00270. Ribosomal_S18.
InterPro	IPR001648. Ribosomal_S18. IPR018275. Ribosomal_S18_CS. [Graphical view]
PANTHER	PTHR13479. PTHR13479. 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]
SUPFAM	SSF46911. Ribosomal_S18. 1 hit.
TIGRFAMs	TIGR00165. S18. 1 hit.
PROSITE	PS00057. RIBOSOMAL_S18. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

RS18_SYNY3

Accession

Primary (citable) accession number: P48946

Entry history

Integrated into UniProtKB/Swiss-Prot:	February 1, 1996
Last sequence update:	February 1, 1996
Last modified:	May 1, 2013
This is version 78 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program