UniProt Accession

 SSRP_ECOLI; P0A832; P32052; P77011 

Genbank Protein ID

 D12501; U36840; U00096; AP009048 

Genbank Nucleotide ID

 BAA02062.1; AAA79790.1; AAC75669.1; BAA16505.2 

Protein Name

 SsrA-binding protein 

Protein Synonyms/Alias

 Small protein B 

Gene Name

 smpB 

Gene Synonyms/Alias

 smqB; b2620; JW2601 

Created Date

 July 27, 2013 

Organism

 Escherichia coli (strain K12) 

NCBI Taxa ID

 83333 

Lysine Modification

Position	Peptide	Type	References
8	MTKKKAHKPGSATIA	acetylation	[1]
18	SATIALNKRARHEYF	acetylation	[1]
151	EREWQVDKARIMKNA	acetylation	[1]

Reference

 [1] Acetyl-Phosphate Is a Critical Determinant of Lysine Acetylation in E. coli.
 Weinert BT, Iesmantavicius V, Wagner SA, Schölz C, Gummesson B, Beli P, Nyström T, Choudhary C.
 Mol Cell. 2013 Jul 25;51(2):265-72. [PMID: 23830618] 

Functional Description

 Binds specifically to the SsrA RNA (tmRNA) and is required for stable association of SsrA with ribosomes. 

Sequence Annotation

  

Keyword

 Complete proteome; Cytoplasm; Direct protein sequencing; Reference proteome; RNA-binding. 

Sequence Source

 UniProt (SWISSPROT/TrEMBL); GenBank; EMBL 

Protein Length

 160 AA 

Protein Sequence

Gene Ontology

 GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
 GO:0003723; F:RNA binding; IDA:EcoCyc.
 GO:0070930; P:trans-translation-dependent protein tagging; IMP:EcoCyc. 

Interpro

 IPR023620; SmpB.
 IPR000037; SsrA-bd_prot.
 IPR020081; SsrA-bd_prot_CS. 

Pfam

 PF01668; SmpB 

SMART

  

PROSITE

 PS01317; SSRP 

PRINTS