The Enzyme Database

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EC 3.1.1.118     
Accepted name: phospholipid sn-1 acylhydrolase
Reaction: (1) a 1-phosphatidyl-1D-myo-inositol + H2O = a 2-acyl-sn-glycero-3-phospho-1D-myo-inositol + a fatty acid
(2) a 1,2-diacyl-sn-glycerol 3-phosphate + H2O = a 2-acyl-sn-glycerol 3-phosphate + a fatty acid
Glossary: a 1,2-diacyl-sn-glycerol 3-phosphate = a phosphatidate
Other name(s): phospholipase DDHD1; phosphatidic acid-preferring phospholipase A1; PA-PLA1; DDHD1 (gene name)
Systematic name: phospholipid sn-1 acylhydrolase
Comments: The human enzyme shows broad specificity, and has a preference for phosphatidate over other phospholipids. Unlike EC 3.1.1.32, phospholipase A1, it is also active against phosphatidylinositol. It is not active towards acyl groups linked at the sn-2 position.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Yamashita, A., Kumazawa, T., Koga, H., Suzuki, N., Oka, S. and Sugiura, T. Generation of lysophosphatidylinositol by DDHD domain containing 1 (DDHD1): Possible involvement of phospholipase D/phosphatidic acid in the activation of DDHD1. Biochim. Biophys. Acta 1801 (2010) 711–720. [DOI] [PMID: 20359546]
2.  Baba, T., Kashiwagi, Y., Arimitsu, N., Kogure, T., Edo, A., Maruyama, T., Nakao, K., Nakanishi, H., Kinoshita, M., Frohman, M.A., Yamamoto, A. and Tani, K. Phosphatidic acid (PA)-preferring phospholipase A1 regulates mitochondrial dynamics. J. Biol. Chem. 289 (2014) 11497–11511. [DOI] [PMID: 24599962]
[EC 3.1.1.118 created 2021]
 
 


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