ExplorEnz: EC 3.1.1.118

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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]