Structure of PDB 1u67 Chain A

Receptor sequence
>1u67A (length=553) Species: 9940 (Ovis aries) [Search protein sequence]
PVNPCCYYPCQHQGICVRFGLDRYQCDCTRTGYSGPNCTIPEIWTWLRTT
LRPSPSFIHFLLTHGRWLWDFVNATFIRDTLMRLVLTVRSNLIPSPPTYN
IAHDYISWESFSNVSYYTRILPSVPRDCPTPMGTKGKKQLPDAEFLSRRF
LLRRKFIPDPQGTNLMFAFFAQHFTHQFFKTSGKMGPGFTKALGHGVDLG
HIYGDNLERQYQLRLFKDGKLKYQMLNGEVYPPSVEEAPVLMHYPRGIPP
QSQMAVGQEVFGLLPGLMLYATIWLREHNRVCDLLKAEHPTWGDEQLFQT
ARLILIGETIKIVIEEYAQQLSGYFLQLKFDPELLFGAQFQYRNRIAMEF
NQLYHFHPLMPDSFRVGPQDYSYEQFLFNTSMLVDYGVEALVDAFSRQPA
GRIGGGRNIDHHILHVAVDVIKESRVLRLQPFNEYRKRFGMKPYTSFQEL
TGEKEMAAELEELYGDIDALEFYPGLLLEKCHPNSIFGESMIEMGAPFSL
KGLLGNPICSPEYWKASTFGGEVGFNLVKTATLKKLVCLNTKTCPYVSFH
VPD
3D structure
PDB1u67 Crystal structure of arachidonic Acid bound to a mutant of prostaglandin endoperoxide h synthase-1 that forms predominantly 11-hydroperoxyeicosatetraenoic Acid.
ChainA
Resolution3.1 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) Q203 H207 L384 Y385 H388 G526 S530
Catalytic site (residue number reindexed from 1) Q172 H176 L353 Y354 H357 G495 S499
Enzyme Commision number 1.14.99.1: prostaglandin-endoperoxide synthase.
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 COH A Q203 F210 T212 L295 H386 F387 H388 I444 V447 Q172 F179 T181 L264 H355 F356 H357 I413 V416
BS02 ACD A R120 A349 L352 Y355 Y385 F387 I523 A527 S530 R89 A318 L321 Y324 Y354 F356 I492 A496 S499
Gene Ontology
Molecular Function
GO:0004601 peroxidase activity
GO:0020037 heme binding
Biological Process
GO:0006979 response to oxidative stress

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Molecular Function
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Biological Process
External links
PDB RCSB:1u67, PDBe:1u67, PDBj:1u67
PDBsum1u67
PubMed15292194
UniProtP05979|PGH1_SHEEP Prostaglandin G/H synthase 1 (Gene Name=PTGS1)

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