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Identification
HMDB Protein ID HMDBP00532
Secondary Accession Numbers
  • 5783
Name Group 3 secretory phospholipase A2
Synonyms
  1. GIII sPLA2
  2. Group III secretory phospholipase A2
  3. Phosphatidylcholine 2-acylhydrolase 3
  4. sPLA2-III
Gene Name PLA2G3
Protein Type Unknown
Biological Properties
General Function Involved in phospholipase A2 activity
Specific Function PA2 catalyzes the calcium-dependent hydrolysis of the 2-acyl groups in 3-sn-phosphoglycerides. Shows an 11-fold preference for phosphatidylglycerol over phosphatidylcholine (PC). Preferential cleavage: 1-palmitoyl-2-linoleoyl-phosphatidylethanolamine (PE) > 1-palmitoyl-2-linoleoyl-PC > 1-palmitoyl-2-arachidonoyl-PC > 1-palmitoyl-2-arachidonoyl-PE. Plays a role in ciliogenesis.
Pathways
  • alpha-Linolenic acid metabolism
  • Arachidonic acid metabolism
  • Ether lipid metabolism
  • Fat digestion and absorption
  • Glycerophospholipid metabolism
  • Linoleic acid metabolism
  • Pancreatic secretion
  • Vascular smooth muscle contraction
Reactions
Phosphatidylcholine + Water → 1-acylglycerophosphocholine + a carboxylate details
Phosphatidylcholine + Water → 1-Acyl-sn-glycero-3-phosphocholine + Fatty acid details
Phosphatidylcholine + Water → 1-Acyl-sn-glycero-3-phosphocholine + Arachidonic acid details
Phosphatidylethanolamine + Water → 1-Acyl-sn-glycero-3-phosphoethanolamine + Fatty acid details
Phosphatidylcholine + Water → 1-Acyl-sn-glycero-3-phosphocholine + Linoleic acid details
O-1-Alk-1-enyl-2-acyl-sn-glycero-3-phosphoethanolamine + Water → 1-(1-Alkenyl)-sn-glycero-3-phosphoethanolamine + Carboxylate details
1-Radyl-2-acyl-sn-glycero-3-phosphocholine + Water → 1-Organyl-2-lyso-sn-glycero-3-phosphocholine + Carboxylate details
Phosphatidylcholine + Water → 1-Acyl-sn-glycero-3-phosphocholine + alpha-Linolenic acid details
GO Classification
Biological Process
phosphatidylcholine acyl-chain remodeling
phosphatidylethanolamine acyl-chain remodeling
lipid catabolic process
cilium morphogenesis
glycerophospholipid biosynthetic process
phosphatidylglycerol acyl-chain remodeling
Cellular Component
centriole
plasma membrane
extracellular space
Function
hydrolase activity, acting on ester bonds
catalytic activity
hydrolase activity
carboxylesterase activity
phospholipase a2 activity
Molecular Function
calcium-dependent phospholipase A2 activity
calcium ion binding
Process
metabolic process
primary metabolic process
lipid metabolic process
lipid catabolic process
organophosphate metabolic process
phospholipid metabolic process
Cellular Location
  1. Cell membrane
  2. Secreted
Gene Properties
Chromosome Location 22
Locus 22q12.2
SNPs PLA2G3
Gene Sequence
>1530 bp
ATGGGGGTTCAGGCAGGGCTGTTTGGGATGCTGGGCTTCCTGGGGGTGGCCCTGGGGGGC
TCCCCTGCCCTCCGCTGGTACAGGACCTCCTGCCACTTGACCAAGGCCGTCCCTGGCAAC
CCACTGGGGTACCTGAGCTTCCTGGCCAAGGATGCTCAGGGACTGGCCCTGATCCATGCC
CGCTGGGATGCGCATAGGAGGCTGCAGTCATGTAGCTGGGAGGATGAGCCGGAGCTCACC
GCAGCCTACGGTGCTCTCTGTGCTCATGAGACTGCCTGGGGCTCCTTCATCCACACCCCC
GGACCCGAGCTGCAGAGAGCACTGGCCACTCTTCAGAGTCAGTGGGAGGCATGCCGAGCG
CTTGAGGAGAGTCCAGCAGGGGCCAGGAAGAAGCGAGCAGCAGGGCAGAGTGGAGTCCCT
GGTGGAGGGCACCAGCGAGAGAAGAGAGGATGGACCATGCCTGGCACACTGTGGTGTGGA
GTTGGAGATTCTGCTGGGAACTCCTCGGAGCTGGGGGTCTTCCAGGGACCTGATCTCTGT
TGCCGGGAACATGACCGCTGCCCACAGAACATCTCACCCTTGCAGTACAACTATGGCATC
CGAAACTACCGATTCCACACCATCTCCCACTGTGACTGTGACACCAGGTTTCAGCAATGC
CTACAGAATCAGCACGACTCCATCTCGGACATCGTGGGCGTGGCCTTCTTCAACGTGCTG
GAGATCCCCTGCTTTGTGCTGGAGGAGCAGGAGGCGTGTGTGGCGTGGTACTGGTGGGGC
GGGTGTAGGATGTACGGCACAGTGCCCCTCGCTCGCCTGCAGCCCAGGACCTTCTACAAT
GCCTCCTGGAGCTCCCGGGCCACCTCCCCAACTCCCAGCTCCCGGAGCCCAGCCCCTCCC
AAGCCTCGACAGAAGCAGCACCTTCGGAAGGGGCCACCACATCAGAAAGGGTCCAAGCGC
CCCAGCAAAGCCAACACCACAGCCCTCCAGGACCCTATGGTCTCTCCCAGGCTTGATGTG
GCCCCCACAGGCCTCCAGGGCCCACAGGGTGGCCTAAAACCTCAGGGTGCCCGCTGGGTC
TGCCGCAGCTTCCGCCGCCACCTGGACCAGTGTGAGCACCAGATTGGGCCCCGGGAAATC
GAGTTCCAGCTGCTCAACAGCGCCCAAGAGCCCCTCTTCCACTGCAACTGCACGCGCCGT
CTGGCACGCTTCCTGAGGCTCCACAGCCCACCCGAGGTTACCAACATGCTTTGGGAGCTG
CTGGGCACAACCTGCTTCAAGCTGGCCCCTCCACTGGACTGTGTGGAAGGCAAAAACTGT
TCCAGAGACCCTAGGGCCATCAGGGTGTCAGCCCGGCACTTGCGGAGGCTTCAGCAGAGG
CGACACCAGCTCCAGGATAAAGGCACAGATGAGAGGCAGCCATGGCCTTCAGAGCCCCTG
AGAGGCCCCATGTCATTCTACAACCAGTGCCTGCAGCTAACCCAGGCAGCCAGGAGACCC
GACAGGCAGCAGAAGTCCTGGAGCCAGTGA
Protein Properties
Number of Residues 509
Molecular Weight 57166.51
Theoretical pI 9.07
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Group 3 secretory phospholipase A2
MGVQAGLFGMLGFLGVALGGSPALRWYRTSCHLTKAVPGNPLGYLSFLAKDAQGLALIHA
RWDAHRRLQACSWEDEPELTAAYGALCAHETAWGSFIHTPGPELQRALATLQSQWEACRA
LEESPAGARKKRAAGQSGVPGGGHQREKRGWTMPGTLWCGVGDSAGNSSELGVFQGPDLC
CREHDRCPQNISPLQYNYGIRNYRFHTISHCDCDTRFQQCLQNQHDSISDIVGVAFFNVL
EIPCFVLEEQEACVAWYWWGGCRMYGTVPLARLQPRTFYNASWSSRATSPTPSSRSPAPP
KPRQKQHLRKGPPHQKGSKRPSKANTTALQDPMVSPRLDVAPTGLQGPQGGLKPQGARWV
CRSFRRHLDQCEHQIGPREIEFQLLNSAQEPLFHCNCTRRLARFLRLHSPPEVTNMLWEL
LGTTCFKLAPPLDCVEGKNCSRDPRAIRVSARHLRRLQQRRHQLQDKGTDERQPWPSEPL
RGPMSFYNQCLQLTQAARRPDRQQKSWSQ
GenBank ID Protein 142976884
UniProtKB/Swiss-Prot ID Q9NZ20
UniProtKB/Swiss-Prot Entry Name PA2G3_HUMAN
PDB IDs Not Available
GenBank Gene ID NM_015715.3
GeneCard ID PLA2G3
GenAtlas ID PLA2G3
HGNC ID HGNC:17934
References
General References
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  2. Dephoure N, Zhou C, Villen J, Beausoleil SA, Bakalarski CE, Elledge SJ, Gygi SP: A quantitative atlas of mitotic phosphorylation. Proc Natl Acad Sci U S A. 2008 Aug 5;105(31):10762-7. doi: 10.1073/pnas.0805139105. Epub 2008 Jul 31. [PubMed:18669648 ]
  3. Dunham I, Shimizu N, Roe BA, Chissoe S, Hunt AR, Collins JE, Bruskiewich R, Beare DM, Clamp M, Smink LJ, Ainscough R, Almeida JP, Babbage A, Bagguley C, Bailey J, Barlow K, Bates KN, Beasley O, Bird CP, Blakey S, Bridgeman AM, Buck D, Burgess J, Burrill WD, O'Brien KP, et al.: The DNA sequence of human chromosome 22. Nature. 1999 Dec 2;402(6761):489-95. [PubMed:10591208 ]
  4. Murakami M, Masuda S, Shimbara S, Bezzine S, Lazdunski M, Lambeau G, Gelb MH, Matsukura S, Kokubu F, Adachi M, Kudo I: Cellular arachidonate-releasing function of novel classes of secretory phospholipase A2s (groups III and XII). J Biol Chem. 2003 Mar 21;278(12):10657-67. Epub 2003 Jan 8. [PubMed:12522102 ]
  5. Valentin E, Ghomashchi F, Gelb MH, Lazdunski M, Lambeau G: Novel human secreted phospholipase A(2) with homology to the group III bee venom enzyme. J Biol Chem. 2000 Mar 17;275(11):7492-6. [PubMed:10713052 ]
  6. Murakami M, Masuda S, Shimbara S, Ishikawa Y, Ishii T, Kudo I: Cellular distribution, post-translational modification, and tumorigenic potential of human group III secreted phospholipase A(2). J Biol Chem. 2005 Jul 1;280(26):24987-98. Epub 2005 Apr 29. [PubMed:15863501 ]