Q2FF13 (PTPB_STAA3) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Low molecular weight protein-tyrosine-phosphatase PtpB
EC=3.1.3.48

Alternative name(s):
Phosphotyrosine phosphatase B
Short name=PTPase B

Gene names

Name:	ptpB
Ordered Locus Names:	SAUSA300_2069

Organism

Staphylococcus aureus (strain USA300) [Complete proteome] [HAMAP]

Taxonomic identifier

367830 [NCBI]

Taxonomic lineage

cellular organisms › Bacteria › Firmicutes › Bacilli › Bacillales › Staphylococcaceae › Staphylococcus › Staphylococcus aureus › Staphylococcus aureus subsp. aureus

Protein attributes

Sequence length	139 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Function	Dephosphorylates the phosphotyrosine-containing proteins By similarity.
Catalytic activity	Protein tyrosine phosphate + H2O = protein tyrosine + phosphate.
Sequence similarities	Belongs to the low molecular weight phosphotyrosine protein phosphatase family.

Ontologies

Keywords
Molecular function	Hydrolase Protein phosphatase
Technical term	Complete proteome
Gene Ontology (GO)
Biological_process	peptidyl-tyrosine dephosphorylation Inferred from electronic annotation. Source: GOC
Molecular_function	protein tyrosine phosphatase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 139	139	Low molecular weight protein-tyrosine-phosphatase PtpB		PRO_0000300679
Sites
	Active site	7	1	Nucleophile By similarity
	Active site	13	1	By similarity
	Active site	111	1	Proton donor By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q2FF13 [UniParc]. Last modified March 21, 2006. Version 1. Checksum: 63EB2C0E2A53EA5B	FASTA	139	15,788
	10 20 30 40 50 60 MKILFVCTGN TCRSPLAESI AKEVMPNHQF ESRGIFAVNN QGVSNYVEDL VEEHHLAETT 70 80 90 100 110 120 LSQQFTEADL KADIILTMSY SHKELIEAHF GLQNHVFTLH EYVKEAGEVI DPYGGTKEMY 130 VHTYEELVSL ILKLKDIIC

References

[1]

"Complete genome sequence of USA300, an epidemic clone of community-acquired meticillin-resistant Staphylococcus aureus." Diep B.A., Gill S.R., Chang R.F., Phan T.H., Chen J.H., Davidson M.G., Lin F., Lin J., Carleton H.A., Mongodin E.F., Sensabaugh G.F., Perdreau-Remington F. Lancet 367:731-739(2006) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: USA300.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000255 Genomic DNA. Translation: ABD21952.1.
RefSeq	YP_494715.1. NC_007793.1.
3D structure databases
HSSP	HSSP built from PDB template 1ZGG based on UniProtKB P39155.
ProteinModelPortal	Q2FF13.
SMR	Q2FF13. Positions 1-134.
ModBase	Search...
Protein-protein interaction databases
STRING	451515.SAUSA300_2069.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	ABD21952; ABD21952; SAUSA300_2069.
GeneID	3914055.
KEGG	saa:SAUSA300_2069.
PATRIC	19593647. VBIStaAur129981_2209.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG0394.
HOGENOM	HOG000273091.
KO	K01104.
OMA	ERDINDP.
ProtClustDB	CLSK885771.
Enzyme and pathway databases
BioCyc	SAUR451515:GH3C-2078-MONOMER.
Family and domain databases
InterPro	IPR023485. Ptyr_pPase_SF. IPR000106. Tyr_phospatase/Ars_reductase. IPR017867. Tyr_phospatase_low_mol_wt. [Graphical view]
PANTHER	PTHR11717. PTHR11717. 1 hit.
Pfam	PF01451. LMWPc. 1 hit. [Graphical view]
PRINTS	PR00719. LMWPTPASE.
SMART	SM00226. LMWPc. 1 hit. [Graphical view]
SUPFAM	SSF52788. Tyr_Pase_low_mol_wt. 1 hit.
ProtoNet	Search...

Entry information

Entry name

PTPB_STAA3

Accession

Primary (citable) accession number: Q2FF13

Entry history

Integrated into UniProtKB/Swiss-Prot:	September 11, 2007
Last sequence update:	March 21, 2006
Last modified:	May 1, 2013
This is version 45 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program