PA1_POLGA
ID PA1_POLGA Reviewed; 42 AA.
AC P83542;
DT 16-JAN-2004, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2003, sequence version 1.
DT 25-MAY-2022, entry version 45.
DE RecName: Full=Phospholipase A1 {ECO:0000303|PubMed:14572904};
DE EC=3.1.1.32 {ECO:0000269|PubMed:14572904};
DE AltName: Allergen=Pol g 1 {ECO:0000303|PubMed:14572904};
DE Flags: Fragment;
OS Polistes gallicus (Paper wasp).
OC Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota;
OC Neoptera; Endopterygota; Hymenoptera; Apocrita; Aculeata; Vespoidea;
OC Vespidae; Polistinae; Polistini; Polistes.
OX NCBI_TaxID=34730;
RN [1]
RP PROTEIN SEQUENCE, CATALYTIC ACTIVITY, BIOPHYSICOCHEMICAL PROPERTIES, MASS
RP SPECTROMETRY, SUBCELLULAR LOCATION, AND ALLERGEN.
RC TISSUE=Venom;
RX PubMed=14572904; DOI=10.1016/j.bbagen.2003.07.001;
RA Pantera B., Hoffman D.R., Carresi L., Cappugi G., Turillazzi S., Manao G.,
RA Severino M., Spadolini I., Orsomando G., Moneti G., Pazzagli L.;
RT "Characterization of the major allergens purified from the venom of the
RT paper wasp Polistes gallicus.";
RL Biochim. Biophys. Acta 1623:72-81(2003).
CC -!- FUNCTION: Catalyzes the hydrolysis of phosphatidylcholine with
CC phospholipase A1 (EC 3.1.1.32) activity (PubMed:14572904). Shows
CC hemolytic activity (By similarity). {ECO:0000250|UniProtKB:P0DMB7,
CC ECO:0000269|PubMed:14572904}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 1,2-diacyl-sn-glycero-3-phosphocholine + H2O = a 2-acyl-sn-
CC glycero-3-phosphocholine + a fatty acid + H(+); Xref=Rhea:RHEA:18689,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:28868,
CC ChEBI:CHEBI:57643, ChEBI:CHEBI:57875; EC=3.1.1.32;
CC Evidence={ECO:0000269|PubMed:14572904};
CC -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC Kinetic parameters:
CC Vmax=283.2 umol/min/mg enzyme {ECO:0000269|PubMed:14572904};
CC -!- SUBCELLULAR LOCATION: Secreted {ECO:0000269|PubMed:14572904}.
CC -!- TISSUE SPECIFICITY: Expressed by the venom gland.
CC {ECO:0000305|PubMed:14572904}.
CC -!- PTM: Contains six disulfide bonds. {ECO:0000250}.
CC -!- MASS SPECTROMETRY: Mass=33475; Method=Electrospray;
CC Evidence={ECO:0000269|PubMed:14572904};
CC -!- ALLERGEN: Causes an allergic reaction in human.
CC {ECO:0000269|PubMed:14572904}.
CC -!- SIMILARITY: Belongs to the AB hydrolase superfamily. Lipase family.
CC {ECO:0000305}.
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DR AlphaFoldDB; P83542; -.
DR Allergome; 1208; Pol g 1.
DR Allergome; 3443; Pol g 1.0101.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0052740; F:1-acyl-2-lysophosphatidylserine acylhydrolase activity; IEA:UniProtKB-EC.
DR GO; GO:0052739; F:phosphatidylserine 1-acylhydrolase activity; IEA:UniProtKB-EC.
DR GO; GO:0008970; F:phospholipase A1 activity; IEA:UniProtKB-EC.
DR GO; GO:0044179; P:hemolysis in another organism; IEA:UniProtKB-KW.
DR GO; GO:0016042; P:lipid catabolic process; IEA:UniProtKB-KW.
PE 1: Evidence at protein level;
KW Allergen; Cytolysis; Direct protein sequencing; Disulfide bond; Hemolysis;
KW Hydrolase; Lipid degradation; Lipid metabolism; Secreted.
FT CHAIN 1..>42
FT /note="Phospholipase A1"
FT /id="PRO_0000090377"
FT DISULFID 6..?
FT /evidence="ECO:0000250"
FT NON_TER 42
FT /evidence="ECO:0000305"
SQ SEQUENCE 42 AA; 4985 MW; 524589208F2113C3 CRC64;
GITPDCTFNE KDIELHVYSR DKRNGIILKK EILKNYDLFK ES