Structure of PDB 3b99 Chain B Binding Site BS03

Receptor Information
>3b99 Chain B (length=415) Species: 7955 (Danio rerio) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RRTRRRNEPPLDKGMIPWLGHALEFGKDAAKFLTRMKEKHGDIFTVRAAG
LYITVLLDSNCYDAVLSDVASLDQTSYAQVLMKRIFNMILPSHNPESEKK
RAEMHFQGASLTQLSNSMQNNLRLLMTPSEMWKKDGLFNLCYSLLFKTGY
LTVFTQIYEEFRRFDKLLPKLARTEKQIASAAREKLWKWLTSWLGSYVKQ
LQDEGIDAEMQRRAMLLQLWVTQGNAGPAAFWVMGYLLTHPEALRAVREE
IQNTPVFDSVLWETLRLTAAALITRDVTQDKKICLSNGQEYHLRRGDRLC
VFPFISPQMDPQIHQQPEMFQFDRFLNADRTEKKDFFKNGARVKYPSVPW
GTEDNLCPGRHFAVHAIKELVFTILTRFDVELCDKNATVPLVDPSRYGFG
ILQPAGDLEIRYRIR
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 B Residue 701 [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)
L101 E118 W245 Y249 Q270 W272
Binding residue
(residue number reindexed from 1)
L81 E98 W193 Y197 Q218 W220
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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