Entry
Name
glucosylglycerol 3-phosphatase;
salt tolerance protein A;
StpA;
2-(beta-D-glucosyl)-sn-glycerol-3-phosphate phosphohydrolase (incorrect)
Class
Hydrolases;
Acting on ester bonds;
Phosphoric-monoester hydrolases
BRITE hierarchy
Sysname
2-O-(alpha-D-glucopyranosyl)-sn-glycerol-3-phosphate phosphohydrolase
Reaction(IUBMB)
2-O-(alpha-D-glucosyl)-sn-glycerol-3-phosphate + H2O = 2-O-(alpha-D-glucopyranosyl)glycerol + phosphate [RN:
R05791 ]
Reaction(KEGG)
Substrate
2-O-(alpha-D-glucosyl)-sn-glycerol-3-phosphate;
H2O [CPD:
C00001 ]
Product
2-O-(alpha-D-glucopyranosyl)glycerol [CPD:
C11546 ];
phosphate [CPD:
C00009 ]
Comment
Acts with EC
2.4.1.213 (glucosylglycerol-phosphate synthase) to form glucosylglycerol, an osmolyte that endows cyanobacteria with resistance to salt.
History
EC 3.1.3.69 created 2001, modified 2015
Orthology
K05978 glucosylglycerol 3-phosphatase
Genes
SYR : SynRCC307_1379(stpA)
SYX : SynWH7803_1398(stpA)
SYH : Syncc8109_0899(stpA)
SYNW : SynWH8103_00977(ggpP)
CHON : NIES4102_25390(stpA)
SYP : SYNPCC7002_A2841(stpA)
SYNN : NIES970_25670(stpA)
STAN : STA3757_17960(stpA)
» show all
Taxonomy
Reference
1
Authors
Hagemann M, Erdmann N.
Title
Activation and pathway of glucosylglycerol biosynthesis in the cyanobacterium Synechocystis sp. PCC 6803.
Journal
Microbiology 140:1427-1431 (1994)
Reference
Authors
Hagemann M, Richter S, Zuther E, Schoor A
Title
Characterization of a glucosylglycerol-phosphate-accumulating, salt-sensitive mutant of the cyanobacterium Synechocystis sp. strain PCC 6803.
Journal
Sequence
Reference
Authors
Hagemann M, Schoor A, Jeanjean R, Zuther E, Joset F.
Title
The stpA gene form synechocystis sp. strain PCC 6803 encodes the glucosylglycerol-phosphate phosphatase involved in cyanobacterial osmotic response to salt shock.
Journal
Sequence
Other DBs
ExplorEnz - The Enzyme Database: 3.1.3.69
ExPASy - ENZYME nomenclature database: 3.1.3.69