1QD6

OUTER MEMBRANE PHOSPHOLIPASE A FROM ESCHERICHIA COLI

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc
Structure Motif: Primary M-CSA Annotation

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1qd6.1	Membrane and cell surface proteins and peptides	Transmembrane beta-barrels	Outer membrane phospholipase A (OMPLA)	Outer membrane phospholipase A (OMPLA)	Outer membrane phospholipase A (OMPLA)	(Escherichia coli (strain K12) ) [TaxId: 83333 ],	SCOPe (2.08)
B	d1qd6.2	Membrane and cell surface proteins and peptides	Transmembrane beta-barrels	Outer membrane phospholipase A (OMPLA)	Outer membrane phospholipase A (OMPLA)	Outer membrane phospholipase A (OMPLA)	(Escherichia coli (strain K12) ) [TaxId: 83333 ],	SCOPe (2.08)
C	d1qd6.1	Membrane and cell surface proteins and peptides	Transmembrane beta-barrels	Outer membrane phospholipase A (OMPLA)	Outer membrane phospholipase A (OMPLA)	Outer membrane phospholipase A (OMPLA)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d1qd6.2	Membrane and cell surface proteins and peptides	Transmembrane beta-barrels	Outer membrane phospholipase A (OMPLA)	Outer membrane phospholipase A (OMPLA)	Outer membrane phospholipase A (OMPLA)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Outer membrane phospholipase A (OMPLA)	8037870	3000218	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Outer membrane phospholipase A (OMPLA)	8037870	3000218	SCOP2B (2022-06-29)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	2.40.230.10	Mainly Beta	Beta Barrel	Outer membrane phospholipase (ompla)	Chain C	CATH (4.3.0)
D	2.40.230.10	Mainly Beta	Beta Barrel	Outer membrane phospholipase (ompla)	Chain C	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02253	Phospholipase A1 (PLA1)	Phospholipase A1	Phospholipase A1 is a bacterial outer membrane bound acyl hydrolase with a broad substrate specificity EC:3.1.1.32. It has been proposed that Ser164 is the active site for Swiss:P00631 [1].	Domain
C, D	PF02253	Phospholipase A1 (PLA1)	Phospholipase A1	Phospholipase A1 is a bacterial outer membrane bound acyl hydrolase with a broad substrate specificity EC:3.1.1.32. It has been proposed that Ser164 is the active site for Swiss:P00631 [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	OUTER MEMBRANE PHOSPHOLIPASE (OMPLA)	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding phospholipase A2 activity hydrolase activity, acting on ester bonds carboxylic ester hydrolase activity hydrolase activity catalytic activity phospholipase activity lipase activity identical protein binding cation binding ion binding binding calcium ion binding metal ion binding small molecule binding phospholipase A2 activity hydrolase activity, acting on ester bonds carboxylic ester hydrolase activity hydrolase activity catalytic activity phospholipase activity lipase activity identical protein binding protein binding protein homodimerization activity protein dimerization activity phospholipase A1 activity phosphatidylserine 1-acylhydrolase activity 1-acyl-2-lysophosphatidylserine acylhydrolase activity lysophospholipase activity	lipid catabolic process organic substance metabolic process catabolic process primary metabolic process metabolic process organic substance catabolic process lipid metabolic process phosphatidylglycerol metabolic process cellular metabolic process glycerophospholipid metabolic process phospholipid metabolic process organophosphate metabolic process cellular lipid metabolic process phosphate-containing compound metabolic process lipid catabolic process organic substance metabolic process catabolic process primary metabolic process metabolic process organic substance catabolic process lipid metabolic process phosphatidylglycerol metabolic process cellular metabolic process glycerophospholipid metabolic process phospholipid metabolic process organophosphate metabolic process cellular lipid metabolic process phosphate-containing compound metabolic process glycerolipid metabolic process cellular process phosphorus metabolic process	cell periphery cell outer membrane external encapsulating structure membrane cell envelope outer membrane cellular anatomical entity
C, D	PROTEIN (OUTER MEMBRANE PHOSPHOLIPASE (OMPLA))	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding phospholipase A2 activity hydrolase activity, acting on ester bonds carboxylic ester hydrolase activity hydrolase activity catalytic activity phospholipase activity lipase activity identical protein binding cation binding ion binding binding calcium ion binding metal ion binding small molecule binding phospholipase A2 activity hydrolase activity, acting on ester bonds carboxylic ester hydrolase activity hydrolase activity catalytic activity phospholipase activity lipase activity identical protein binding protein binding protein homodimerization activity protein dimerization activity phospholipase A1 activity phosphatidylserine 1-acylhydrolase activity 1-acyl-2-lysophosphatidylserine acylhydrolase activity lysophospholipase activity	lipid catabolic process organic substance metabolic process catabolic process primary metabolic process metabolic process organic substance catabolic process lipid metabolic process phosphatidylglycerol metabolic process cellular metabolic process glycerophospholipid metabolic process phospholipid metabolic process organophosphate metabolic process cellular lipid metabolic process phosphate-containing compound metabolic process lipid catabolic process organic substance metabolic process catabolic process primary metabolic process metabolic process organic substance catabolic process lipid metabolic process phosphatidylglycerol metabolic process cellular metabolic process glycerophospholipid metabolic process phospholipid metabolic process organophosphate metabolic process cellular lipid metabolic process phosphate-containing compound metabolic process glycerolipid metabolic process cellular process phosphorus metabolic process	cell periphery cell outer membrane external encapsulating structure membrane cell envelope outer membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036541	Phospholipase A1 superfamily	Homologous Superfamily
A, B	IPR003187	Phospholipase A1	Family
C, D	IPR036541	Phospholipase A1 superfamily	Homologous Superfamily
C, D	IPR003187	Phospholipase A1	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D	OPM	Transmembrane	Beta-barrel transmembrane	OM phospholipase (n=12,S=16)	OM phospholipase A, OmpLA

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D	mpstruc	TRANSMEMBRANE PROTEINS: BETA-BARREL	Beta-Barrel Membrane Proteins: Monomeric/Dimeric	OmpLA (PldA) outer membrane phospholipase A monomer

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

Chains	Enzyme Name	Description	Catalytic Residues
C, D	phospholipase A1 M-CSA #650	The outer membrane phospholipase A (OMPLA) is an integral membrane enzyme present in the outer membrane of Gram-negative bacteria. It catalyses the hydrolysis of acylester bonds in phospholipids. The physiological function of OMPLA is still not known.	Defined by 7 residues: HIS:C-113 [auth C-142]SER:C-115 [auth C-144]GLY:C-117 [auth C-146]ARG:C-118 [auth C-147]SER:C-123 [auth C-152]ASN:C-127 [auth C-156]SER:D-77 [auth D-106] \| Explore in 3D: M-CSA Motif Definition Search M-CSA Motif EC: 3.1.1.32 (PDB Primary Data) Search M-CSA Motif + EC 3.1.1.32

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.