Structure of PDB 4kcp Chain A Binding Site BS03

Receptor Information
>4kcp Chain A (length=405) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GPKFPRVKNWELGSITYDTLCAQSQQDGPCTPRRCLGSLVLPRPAEQLLS
QARDFINQYYSSIKRSGSQAHEERLQEVEAEVASTGTYHLRESELVFGAK
QAWRNAPRCVGRIQWGKLQVFDARDCSSAQEMFTYICNHIKYATNRGNLR
SAITVFPQRAPGRGDFRIWNSQLVRYAGYRQQDGSVRGDPANVEITELCI
QHGWTPGNGRFDVLPLLLQAPDEAPELFVLPPELVLEVPLEHPTLEWFAA
LGLRWYALPAVSNMLLEIGGLEFSAAPFSGWYMSTEIGTRNLCDPHRYNI
LEDVAVCMDLDTRTTSSLWKDKAAVEINLAVLHSFQLAKVTIVDHHAATV
SFMKHLDNEQKARGGCPADWAWIVPPISGSLTPVFHQEMVNYILSPAFRY
QPDPW
Ligand information
Ligand IDH44
InChIInChI=1S/C25H25N5S2/c26-24(22-6-2-14-31-22)29-20-10-8-18(9-11-20)12-13-28-17-19-4-1-5-21(16-19)30-25(27)23-7-3-15-32-23/h1-11,14-16,28H,12-13,17H2,(H2,26,29)(H2,27,30)
InChIKeyRWYJTZOFPFOVAE-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.370N=C(Nc1ccc(CCNCc2cccc(NC(=N)c3sccc3)c2)cc1)c4sccc4
OpenEye OEToolkits 1.7.6[H]/N=C(/c1cccs1)\Nc2ccc(cc2)CCNCc3cccc(c3)N/C(=N/[H])/c4cccs4
OpenEye OEToolkits 1.7.6c1cc(cc(c1)NC(=N)c2cccs2)CNCCc3ccc(cc3)NC(=N)c4cccs4
ACDLabs 12.01s1cccc1C(=[N@H])Nc2ccc(cc2)CCNCc3cc(ccc3)NC(=[N@H])c4sccc4
FormulaC25 H25 N5 S2
NameN-(4-{2-[(3-{[(E)-imino(thiophen-2-yl)methyl]amino}benzyl)amino]ethyl}phenyl)thiophene-2-carboximidamide
ChEMBLCHEMBL3128246
DrugBank
ZINCZINC000098208984
PDB chain4kcp Chain A Residue 503 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4kcp Potent and Selective Double-Headed Thiophene-2-carboximidamide Inhibitors of Neuronal Nitric Oxide Synthase for the Treatment of Melanoma.
Resolution2.07 Å
Binding residue
(original residue number in PDB)
P336 V338 F355 S356 G357 W358 E363
Binding residue
(residue number reindexed from 1)
P259 V261 F278 S279 G280 W281 E286
Annotation score1
Binding affinityMOAD: Ki=2.7uM
Enzymatic activity
Catalytic site (original residue number in PDB) C186 R189 W358 E363
Catalytic site (residue number reindexed from 1) C109 R112 W281 E286
Enzyme Commision number 1.14.13.39: nitric-oxide synthase (NADPH).
Gene Ontology
Molecular Function
GO:0004517 nitric-oxide synthase activity
Biological Process
GO:0006809 nitric oxide biosynthetic process

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Molecular Function

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Biological Process
External links
PDB RCSB:4kcp, PDBe:4kcp, PDBj:4kcp
PDBsum4kcp
PubMed24447275
UniProtP29473|NOS3_BOVIN Nitric oxide synthase 3 (Gene Name=NOS3)

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