Structure of PDB 3b99 Chain A Binding Site BS04

Receptor Information
>3b99 Chain A (length=445) Species: 7955 (Danio rerio) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RRTRRRNEPPLDKGMIPWLGHALEFGKDAAKFLTRMKEKHGDIFTVRAAG
LYITVLLDSNCYDAVLSDVASLDQTSYAQVLMKRIFNMILPSHNPESEKK
RAEMHFQGASLTQLSNSMQNNLRLLMTPSEMGLKTSEWKKDGLFNLCYSL
LFKTGYLTVFGAENNNSAALTQIYEEFRRFDKLLPKLARTTVNKEEKQIA
SAAREKLWKWLTPSGLDRKPREQSWLGSYVKQLQDEGIDAEMQRRAMLLQ
LWVTQGNAGPAAFWVMGYLLTHPEALRAVREEIQNTPVFDSVLWETLRLT
AAALITRDVTQDKKICLSNGQEYHLRRGDRLCVFPFISPQMDPQIHQQPE
MFQFDRFLNATEKKDFFKNGARVKYPSVPWGTEDNLCPGRHFAVHAIKEL
VFTILTRFDVELCDKNATVPLVDPSRYGFGILQPAGDLEIRYRIR
Ligand information
Ligand IDU51
InChIInChI=1S/C20H32N2O2/c1-2-3-4-5-6-9-12-16-17(19-15-18(16)21-22-19)13-10-7-8-11-14-20(23)24/h7,9-10,12,16-19H,2-6,8,11,13-15H2,1H3,(H,23,24)/b10-7-,12-9+/t16-,17-,18-,19+/m1/s1
InChIKeySRIZDZJPKIYUPZ-IDUFWMFESA-N
SMILES
SoftwareSMILES
ACDLabs 12.01O=C(O)CCC/C=C\CC2C1N=NC(C1)C2/C=C/CCCCCC
CACTVS 3.370CCCCCCC=C[CH]1[CH]2C[CH](N=N2)[CH]1CC=CCCCC(O)=O
OpenEye OEToolkits 1.7.6CCCCCC/C=C/[C@H]1[C@H]2C[C@@H]([C@@H]1CC=CCCCC(=O)O)N=N2
OpenEye OEToolkits 1.7.6CCCCCCC=CC1C2CC(C1CC=CCCCC(=O)O)N=N2
CACTVS 3.370CCCCCC\C=C\[C@H]1[C@H]2C[C@H](N=N2)[C@@H]1C\C=C/CCCC(O)=O
FormulaC20 H32 N2 O2
Name(5Z)-7-{(1R,4S,5R,6R)-6-[(1E)-oct-1-en-1-yl]-2,3-diazabicyclo[2.2.1]hept-2-en-5-yl}hept-5-enoic acid;
9,11-AZOPROSTA-5Z,13E-DIEN-1-OIC ACID;
U-51605
ChEMBL
DrugBankDB08675
ZINCZINC000049872120
PDB chain3b99 Chain A Residue 702 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3b99 Structures of Prostacyclin Synthase and Its Complexes with Substrate Analog and Inhibitor Reveal a Ligand-specific Heme Conformation Change
Resolution2.5 Å
Binding residue
(original residue number in PDB)
F45 A68 Y97 R104 L336 R362 C364 G462 F463
Binding residue
(residue number reindexed from 1)
F25 A48 Y77 R84 L304 R330 C332 G428 F429
Annotation score2
Binding affinityMOAD: Kd=1.9uM
Enzymatic activity
Enzyme Commision number 4.2.1.152: hydroperoxy icosatetraenoate dehydratase.
5.3.99.4: prostaglandin-I synthase.
Gene Ontology
Molecular Function
GO:0004497 monooxygenase activity
GO:0005506 iron ion binding
GO:0008116 prostaglandin-I synthase activity
GO:0016705 oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
GO:0016829 lyase activity
GO:0016853 isomerase activity
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:0106256 hydroperoxy icosatetraenoate dehydratase activity
Biological Process
GO:0001516 prostaglandin biosynthetic process
Cellular Component
GO:0005783 endoplasmic reticulum
GO:0005789 endoplasmic reticulum membrane
GO:0016020 membrane

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:3b99, PDBe:3b99, PDBj:3b99
PDBsum3b99
PubMed18032380
UniProtF1RE08|PTGIS_DANRE Prostacyclin synthase (Gene Name=ptgis)

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