Structure of PDB 5i9i Chain B

Receptor sequence
>5i9iB (length=363) Species: 9606 (Homo sapiens) [Search protein sequence]
KIPRGNGPYSVGCTDLMFDHTNKGTFLRLYYPSQDTLWIPNKEYFWGLSK
FLGTHWLMGNILRLLFGSMTTPANWNSPLRPGEKYPLVVFSHGLGAFRTL
YSAIGIDLASHGFIVAAVEHRDRSASATYYFKDQSAAEIGDKSWLYLRTL
KQEEETHIRNEQVRQRAKECSQALSLILDIDHGKPVKNALDLKFDMEQLK
DSIDREKIAVIGHSFGGATVIQTLSEDQRFRCGIALDAWMFPLGDEVYSR
IPQPLFFINSEYFQYPANIIKMKKCYSPKERKMITIRGSVHQNFADFTFA
TGKIIGHMLKLKGDIDSNVAIDLSNKASLAFLQKHLGLHKDFDQWDCLIE
GDDENLIPGTNIN
3D structure
PDB5i9i Structural and Thermodynamic Characterization of Protein-Ligand Interactions Formed between Lipoprotein-Associated Phospholipase A2 and Inhibitors
ChainB
Resolution2.7 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.1.1.47: 1-alkyl-2-acetylglycerophosphocholine esterase.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 5HV B L107 F110 L111 L121 G152 L153 G154 L159 S273 F274 W298 H351 Q352 F357 L48 F51 L52 L62 G93 L94 G95 L100 S214 F215 W239 H291 Q292 F297 BindingDB: IC50=0.250000nM,Ki=110nM,Kd=5.0nM
Gene Ontology
Molecular Function
GO:0003847 1-alkyl-2-acetylglycerophosphocholine esterase activity
GO:0005515 protein binding
GO:0005543 phospholipid binding
GO:0016787 hydrolase activity
GO:0016788 hydrolase activity, acting on ester bonds
GO:0047499 calcium-independent phospholipase A2 activity
Biological Process
GO:0009395 phospholipid catabolic process
GO:0016486 peptide hormone processing
GO:0034374 low-density lipoprotein particle remodeling
GO:0034440 lipid oxidation
GO:0034441 plasma lipoprotein particle oxidation
GO:0034638 phosphatidylcholine catabolic process
GO:0046469 platelet activating factor metabolic process
GO:0050729 positive regulation of inflammatory response
GO:0062234 platelet activating factor catabolic process
GO:0090026 positive regulation of monocyte chemotaxis
Cellular Component
GO:0005576 extracellular region
GO:0034362 low-density lipoprotein particle
GO:0034364 high-density lipoprotein particle

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:5i9i, PDBe:5i9i, PDBj:5i9i
PDBsum5i9i
PubMed27078579
UniProtQ13093|PAFA_HUMAN Platelet-activating factor acetylhydrolase (Gene Name=PLA2G7)

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