Structure of PDB 2ayl Chain B Binding Site BS03

Receptor Information
>2ayl Chain B (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 IDMNH
InChIInChI=1S/C34H34N4O4.Mn/c1-7-21-17(3)25-13-26-19(5)23(9-11-33(39)40)31(37-26)16-32-24(10-12-34(41)42)20(6)28(38-32)15-30-22(8-2)18(4)27(36-30)14-29(21)35-25;/h7-8,13-16H,1-2,9-12H2,3-6H3,(H4,35,36,37,38,39,40,41,42);/q;+6/p-2/b25-13-,26-13-,27-14-,28-15-,29-14-,30-15-,31-16-,32-16-;
InChIKeyUIBYYPDLEONCGQ-RGGAHWMASA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.2Cc1c2cc3[n+]4c(cc5c(c(c6n5[Mn@+2]47n2c(c1CCC(=O)O)cc8[n+]7c(c6)C(=C8CCC(=O)O)C)C=C)C)C(=C3C)C=C
CACTVS 3.370CC1=C(CCC(O)=O)C2=CC3=[N@+]4C(=Cc5n6c(C=C7C(=C(C)C8=[N@+]7[Mn@@++]46[N@]2C1=C8)C=C)c(C)c5C=C)C(=C3CCC(O)=O)C
ACDLabs 12.01O=C(O)CCC=1c4[n+]3C(C=1C)=Cc8c(c(c7cc2C(=C(C6=[n+]2[Mn+2]3(n5c(c4)C(=C(C5=C6)C)CCC(=O)O)n78)C)/C=C)C)/C=C
CACTVS 3.370CC1=C(CCC(O)=O)C2=CC3=[N+]4C(=Cc5n6c(C=C7C(=C(C)C8=[N+]7[Mn++]46[N]2C1=C8)C=C)c(C)c5C=C)C(=C3CCC(O)=O)C
OpenEye OEToolkits 1.7.2Cc1c2cc3[n+]4c(cc5c(c(c6n5[Mn+2]47n2c(c1CCC(=O)O)cc8[n+]7c(c6)C(=C8CCC(=O)O)C)C=C)C)C(=C3C)C=C
FormulaC34 H32 Mn N4 O4
NameMANGANESE PROTOPORPHYRIN IX
ChEMBL
DrugBank
ZINC
PDB chain2ayl Chain B Residue 1601 [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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PDB2ayl 2.0 angstroms structure of prostaglandin H2 synthase-1 reconstituted with a manganese porphyrin cofactor.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		A1202 Q1203 H1207 K1211 T1212 L1295 H1386 H1388 M1391 I1444 V1447 D1450
Binding residue
(residue number reindexed from 1)		A171 Q172 H176 K180 T181 L264 H355 H357 M360 I413 V416 D419
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) Q1203 H1207 L1384 Y1385 H1388 G1526 S1530
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

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:2ayl, PDBe:2ayl, PDBj:2ayl
PDBsum2ayl
PubMed16421446
UniProtP05979|PGH1_SHEEP Prostaglandin G/H synthase 1 (Gene Name=PTGS1)

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