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Enzyme From Wikipedia, the free encyclopedia
In enzymology, an acylphosphatase (EC 3.6.1.7) is an enzyme that catalyzes the hydrolysis of the carboxyl-phosphate bond of acylphosphates, with acylphosphate and H2O as the two substrates of this enzyme, and carboxylate and phosphate as its two products:[3]
acylphosphatase | |||||||||
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Identifiers | |||||||||
EC no. | 3.6.1.7 | ||||||||
CAS no. | 9012-34-4 | ||||||||
Databases | |||||||||
IntEnz | IntEnz view | ||||||||
BRENDA | BRENDA entry | ||||||||
ExPASy | NiceZyme view | ||||||||
KEGG | KEGG entry | ||||||||
MetaCyc | metabolic pathway | ||||||||
PRIAM | profile | ||||||||
PDB structures | RCSB PDB PDBe PDBsum | ||||||||
Gene Ontology | AmiGO / QuickGO | ||||||||
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Acylphosphatase | |||||||||||
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Identifiers | |||||||||||
Symbol | Acylphosphatase | ||||||||||
Pfam | PF00708 | ||||||||||
InterPro | IPR001792 | ||||||||||
PROSITE | PDOC00136 | ||||||||||
SCOP2 | 1aps / SCOPe / SUPFAM | ||||||||||
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This enzyme belongs to the family of hydrolases, specifically those acting on acid anhydrides in phosphorus-containing anhydrides. The systematic name of this enzyme class is acylphosphate phosphohydrolase. Other names in common use include acetylphosphatase, 1,3-diphosphoglycerate phosphatase, acetic phosphatase, Ho 1-3, and GP 1-3.
This enzyme participates in 3 metabolic pathways:
Structures of this enzyme have been solved by both NMR and X-ray crystallography. See the links to PDB structures in the info boxes on the right for a current list of structures available in the PDB. The protein contains a beta sheet stacked on two alpha helices described by CATH as an Alpha-Beta Plait fold. The active site sits between sheet and helices and contains an arginine and an asparagine.[4] Most structures are monomeric [5]
Humans express the following two acylphosphatase isozymes:
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