Structure of PDB 3n6a Chain A Binding Site BS05

Receptor Information
>3n6a Chain A (length=406) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GPKFPRVKNWELGSITYDTLCAQSQQDGPCTPRRCLGSLMLPRPPAEQLL
SQARDFINQYYSSIKRSGSQAHEERLQEVEAEVASTGTYHLRESELVFGA
KQAWRNAPRCVGRIQWGKLQVFDARDCSSAQEMFTYICNHIKYATNRGNL
RSAITVFPQRAPGRGDFRIWNSQLVRYAGYRQQDGSVRGDPANVEITELC
IQHGWTPGNGRFDVLPLLLQAPDEAPELFVLPPELVLEVPLEHPTLEWFA
ALGLRWYALPAVSNMLLEIGGLEFSAAPFSGWYMSTEIGTRDLCDPHRYN
ILEDVAVCMDLDTRTTSSLWKDKAAVEINLAVLHSFQLAKVTIVDHHAAT
VSFMKHLDNEQKARGGCPADWAWIVPPISGSLTPVFHQEMVNYILSPAFR
YQPDPW
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 chain3n6a Chain B Residue 600 [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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PDB3n6a Role of zinc in isoform-selective inhibitor binding to neuronal nitric oxide synthase .
Resolution2.49 Å
Binding residue
(original residue number in PDB)		W447 F462
Binding residue
(residue number reindexed from 1)		W371 F386
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) C186 R189 W358 E363
Catalytic site (residue number reindexed from 1) C110 R113 W282 E287
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:3n6a, PDBe:3n6a, PDBj:3n6a
PDBsum3n6a
PubMed21138269
UniProtP29476|NOS1_RAT Nitric oxide synthase 1 (Gene Name=Nos1)

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