P0AGB2 (SERB_SHIFL) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Phosphoserine phosphatase
Short name=PSP
Short name=PSPase
EC=3.1.3.3

Alternative name(s):
O-phosphoserine phosphohydrolase

Gene names

Name:	serB
Ordered Locus Names:	SF4420, S4691

Organism

Shigella flexneri [Complete proteome] [HAMAP]

Taxonomic identifier

623 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Shigella

Protein attributes

Sequence length	322 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Catalytic activity	O-phospho-L(or D)-serine + H2O = L(or D)-serine + phosphate.
Cofactor	Binds 1 magnesium ion per subunit By similarity.
Pathway	Amino-acid biosynthesis; L-serine biosynthesis; L-serine from 3-phospho-D-glycerate: step 3/3.
Sequence similarities	Belongs to the serB family.

Ontologies

Keywords
Biological process	Amino-acid biosynthesis Serine biosynthesis
Ligand	Magnesium Metal-binding
Molecular function	Hydrolase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	L-serine biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	metal ion binding Inferred from electronic annotation. Source: UniProtKB-KW phosphoserine 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 – 322	322	Phosphoserine phosphatase		PRO_0000156889
Regions
	Region	204 – 205	2	Substrate binding By similarity
Sites
	Active site	116	1	Nucleophile By similarity
	Active site	118	1	Proton donor By similarity
	Metal binding	116	1	Magnesium By similarity
	Metal binding	118	1	Magnesium; via carbonyl oxygen By similarity
	Metal binding	272	1	Magnesium By similarity
	Binding site	125	1	Substrate By similarity
	Binding site	161	1	Substrate By similarity
	Binding site	249	1	Substrate By similarity
	Binding site	275	1	Substrate By similarity

Sequences

	Sequence		Length	Mass (Da)
	P0AGB2 [UniParc]. Last modified January 1, 1988. Version 1. Checksum: A09A43BD846B7DE6	FASTA	322	35,043
	10 20 30 40 50 60 MPNITWCDLP EDVSLWPGLP LSLSGDEVMP LDYHAGRSGW LLYGRGLDKQ RLTQYQSKLG 70 80 90 100 110 120 AAMVIVAAWC VEDYQVIRLA GSLTARATRL AHEAQLDVAP LGKIPHLRTP GLLVMDMDST 130 140 150 160 170 180 AIQIECIDEI AKLAGTGEMV AEVTERAMRG ELDFTASLRS RVATLKGADA NILQQVRENL 190 200 210 220 230 240 PLMPGLTQLV LKLETLGWKV AIASGGFTFF AEYLRDKLRL TAVVANELEI MDGKFTGNVI 250 260 270 280 290 300 GDIVDAQYKA KTLTRLAQEY EIPLAQTVAI GDGANDLPMI KAAGLGIAYH AKPKVNEKAE 310 320 VTIRHADLMG VFCILSGSLN QK

References

[1]

"Genome sequence of Shigella flexneri 2a: insights into pathogenicity through comparison with genomes of Escherichia coli K12 and O157." Jin Q., Yuan Z., Xu J., Wang Y., Shen Y., Lu W., Wang J., Liu H., Yang J., Yang F., Zhang X., Zhang J., Yang G., Wu H., Qu D., Dong J., Sun L., Xue Y. , Zhao A., Gao Y., Zhu J., Kan B., Ding K., Chen S., Cheng H., Yao Z., He B., Chen R., Ma D., Qiang B., Wen Y., Hou Y., Yu J. Nucleic Acids Res. 30:4432-4441(2002) [PubMed: 12384590] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: 301 / Serotype 2a.

[2]

"Complete genome sequence and comparative genomics of Shigella flexneri serotype 2a strain 2457T." Wei J., Goldberg M.B., Burland V., Venkatesan M.M., Deng W., Fournier G., Mayhew G.F., Plunkett G. III, Rose D.J., Darling A., Mau B., Perna N.T., Payne S.M., Runyen-Janecky L.J., Zhou S., Schwartz D.C., Blattner F.R. Infect. Immun. 71:2775-2786(2003) [PubMed: 12704152] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 700930 / 2457T / Serotype 2a.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AE005674 Genomic DNA. Translation: AAN45834.1. AE014073 Genomic DNA. Translation: AAP19608.1.
RefSeq	NP_710127.1. NC_004337.2. NP_839796.1. NC_004741.1.
3D structure databases
ProteinModelPortal	P0AGB2.
SMR	P0AGB2. Positions 11-322.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBESCT00000086049; EBESCP00000082871; EBESCG00000085094. EBESCT00000090177; EBESCP00000086813; EBESCG00000089221.
GeneID	1025178. 1080889.
GenomeReviews	Gene locus SF4420 in contig AE005674_GR. Gene locus S4691 in contig AE014073_GR.
KEGG	sfl:SF4420. sfx:S4691.
PATRIC	18711446. VBIShiFle31049_5118.
Organism-specific databases
CMR	Search...
Phylogenomic databases
GeneTree	EBGT00050000011712.
HOGENOM	HBG645339.
OMA	DYQVVRL.
ProtClustDB	PRK11133.
Enzyme and pathway databases
BioCyc	SFLE198214:AAN45834.1-MONOMER.
Family and domain databases
InterPro	IPR005834. Dehalogen-like_hydro. IPR023214. HAD-like_dom. IPR006383. HAD-SF_hydro_IB_PSP-like. IPR023190. Pser_Pase_dom_2. IPR004469. SerB. [Graphical view]
Gene3D	G3DSA:3.40.50.1000. HAD-like_dom. 2 hits. G3DSA:1.10.150.210. Pser_Pase_dom_2. 1 hit.
KO	K01079.
Pfam	PF00702. Hydrolase. 1 hit. [Graphical view]
SUPFAM	SSF56784. HAD-like_dom. 1 hit.
TIGRFAMs	TIGR01488. HAD-SF-IB. 1 hit. TIGR00338. SerB. 1 hit.
ProtoNet	Search...

Entry information

Entry name

SERB_SHIFL

Accession

Primary (citable) accession number: P0AGB2
Secondary accession number(s): P06862

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 1, 1988
Last sequence update:	January 1, 1988
Last modified:	January 25, 2012
This is version 50 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program