Structure of PDB 4o1z Chain A Binding Site BS02

Receptor Information
>4o1z Chain A (length=553) Species: 9940 (Ovis aries) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PVNPCCYYPCQHQGICVRFGLDRYQCDCTRTGYSGPNCTIPEIWTWLRTT
LRPSPSFIHFLLTHGRWLWDFVNATFIRDTLMRLVLTVRSNLIPSPPTYN
IAHDYISWESFSNVSYYTRILPSVPRDCPTPMGTKGKKQLPDAEFLSRRF
LLRRKFIPDPQGTNLMFAFFAQHFTHQFFKTSGKMGPGFTKALGHGVDLG
HIYGDNLERQYQLRLFKDGKLKYQMLNGEVYPPSVEEAPVLMHYPRGIPP
QSQMAVGQEVFGLLPGLMLYATIWLREHNRVCDLLKAEHPTWGDEQLFQT
ARLILIGETIKIVIEEYVQQLSGYFLQLKFDPELLFGAQFQYRNRIAMEF
NQLYHWHPLMPDSFRVGPQDYSYEQFLFNTSMLVDYGVEALVDAFSRQPA
GRIGGGRNIDHHILHVAVDVIKESRVLRLQPFNEYRKRFGMKPYTSFQEL
TGEKEMAAELEELYGDIDALEFYPGLLLEKCHPNSIFGESMIEMGAPFSL
KGLLGNPICSPEYWKASTFGGEVGFNLVKTATLKKLVCLNTKTCPYVSFH
VPD
Ligand information
Ligand IDMXM
InChIInChI=1S/C14H13N3O4S2/c1-8-7-15-14(22-8)16-13(19)11-12(18)9-5-3-4-6-10(9)23(20,21)17(11)2/h3-7,18H,1-2H3,(H,15,16,19)
InChIKeyZRVUJXDFFKFLMG-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.385CN1C(=C(O)c2ccccc2[S]1(=O)=O)C(=O)Nc3sc(C)cn3
ACDLabs 12.01O=C(Nc1ncc(s1)C)C3=C(O)c2ccccc2S(=O)(=O)N3C
OpenEye OEToolkits 1.7.6Cc1cnc(s1)NC(=O)C2=C(c3ccccc3S(=O)(=O)N2C)O
FormulaC14 H13 N3 O4 S2
Name4-hydroxy-2-methyl-N-(5-methyl-1,3-thiazol-2-yl)-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide;
Meloxicam
ChEMBLCHEMBL599
DrugBankDB00814
ZINCZINC000013129998
PDB chain4o1z Chain A Residue 807 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4o1z Oxicams Bind in a Novel Mode to the Cyclooxygenase Active Site via a Two-water-mediated H-bonding Network.
Resolution2.4 Å
Binding residue
(original residue number in PDB)		M113 L117 I345 V349 L352 W387 I523 G526 A527 S530 L531
Binding residue
(residue number reindexed from 1)		M82 L86 I314 V318 L321 W356 I492 G495 A496 S499 L500
Annotation score1
Binding affinityMOAD: ic50=990nM
BindingDB: IC50=1000nM
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.
Gene Ontology
Molecular Function
GO:0004601 peroxidase activity
GO:0004666 prostaglandin-endoperoxide synthase activity
GO:0016702 oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen
GO:0020037 heme binding
GO:0042803 protein homodimerization activity
GO:0046872 metal ion binding
GO:0051213 dioxygenase activity
Biological Process
GO:0001516 prostaglandin biosynthetic process
GO:0006979 response to oxidative stress
GO:0008217 regulation of blood pressure
GO:0019371 cyclooxygenase pathway
GO:0098869 cellular oxidant detoxification
Cellular Component
GO:0005737 cytoplasm
GO:0005783 endoplasmic reticulum
GO:0005789 endoplasmic reticulum membrane
GO:0016020 membrane
GO:0043005 neuron projection
GO:0043231 intracellular membrane-bounded organelle

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4o1z, PDBe:4o1z, PDBj:4o1z
PDBsum4o1z
PubMed24425867
UniProtP05979|PGH1_SHEEP Prostaglandin G/H synthase 1 (Gene Name=PTGS1)

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