Structure of PDB 4kcq Chain B Binding Site BS04

Receptor Information
>4kcq Chain B (length=403) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KFPRVKNWELGSITYDTLCAQSQQDGPCTPRRCLGSLVLPRPAEQLLSQA
RDFINQYYSSIKRSGSQAHEERLQEVEAEVASTGTYHLRESELVFGAKQA
WRNAPRCVGRIQWGKLQVFDARDCSSAQEMFTYICNHIKYATNRGNLRSA
ITVFPQRAPGRGDFRIWNSQLVRYAGYRQQDGSVRGDPANVEITELCIQH
GWTPGNGRFDVLPLLLQAPDEAPELFVLPPELVLEVPLEHPTLEWFAALG
LRWYALPAVSNMLLEIGGLEFSAAPFSGWYMSTEIGTRNLCDPHRYNILE
DVAVCMDLDTRTTSSLWKDKAAVEINLAVLHSFQLAKVTIVDHHAATVSF
MKHLDNEQKARGGCPADWAWIVPPISGSLTPVFHQEMVNYILSPAFRYQP
DPW
Ligand information
Ligand IDH4B
InChIInChI=1S/C9H15N5O3/c1-3(15)6(16)4-2-11-7-5(12-4)8(17)14-9(10)13-7/h3-4,6,12,15-16H,2H2,1H3,(H4,10,11,13,14,17)/t3-,4+,6-/m0/s1
InChIKeyFNKQXYHWGSIFBK-RPDRRWSUSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C1C=2NC(CNC=2N=C(N1)N)C(O)C(O)C
OpenEye OEToolkits 1.5.0CC(C(C1CNC2=C(N1)C(=O)NC(=N2)N)O)O
OpenEye OEToolkits 1.5.0C[C@@H]([C@@H]([C@H]1CNC2=C(N1)C(=O)NC(=N2)N)O)O
CACTVS 3.341C[C@H](O)[C@H](O)[C@H]1CNC2=C(N1)C(=O)NC(=N2)N
CACTVS 3.341C[CH](O)[CH](O)[CH]1CNC2=C(N1)C(=O)NC(=N2)N
FormulaC9 H15 N5 O3
Name5,6,7,8-TETRAHYDROBIOPTERIN
ChEMBLCHEMBL1201774
DrugBankDB00360
ZINCZINC000013585233
PDB chain4kcq Chain B Residue 502 [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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PDB4kcq Potent and Selective Double-Headed Thiophene-2-carboximidamide Inhibitors of Neuronal Nitric Oxide Synthase for the Treatment of Melanoma.
Resolution2.03 Å
Binding residue
(original residue number in PDB)		S104 R367 A448 W449
Binding residue
(residue number reindexed from 1)		S36 R288 A369 W370
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) C186 R189 W358 E363
Catalytic site (residue number reindexed from 1) C107 R110 W279 E284
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

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:4kcq, PDBe:4kcq, PDBj:4kcq
PDBsum4kcq
PubMed24447275
UniProtP29473|NOS3_BOVIN Nitric oxide synthase 3 (Gene Name=NOS3)

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