Structure of PDB 1p6k Chain A Binding Site BS06

Receptor Information
>1p6k Chain A (length=407) Species: 10116 (Rattus norvegicus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RFLKVKNWETDVVLTDTLHLKSTLETGCTEHICMGSIMLPTKDQLFPLAK
EFLDQYYSSIKRFGSKAHMDRLEEVNKEIESTSTYQLKDTELIYGAKHAW
RNASRCVGRIQWSKLQVFDARDCTTAHGMFNYICNHVKYATNKGNLRSAI
TIFPQRTDGKHDFRVWNSQLIRYAGYKQPDGSTLGDPANVQFTEICIQQG
WKAPRGRFDVLPLLLQANGNDPELFQIPPELVLEVPIRHPKFDWFKDLGL
KWYGLPAVSNMLLEIGGLEFSACPFSGWYMGTEIGVRNYCDNSRYNILEE
VAKKMDLDMRKTSSLWKDQALVEINIAVLYSFQSDKVTIVDHHSATESFI
KHMENEYRCRGGCPADWVWIVPPMSGSITPVFHQEMLNYRLTPSFEYQPD
PWNTHVW
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 chain1p6k Chain B Residue 761 [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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PDB1p6k Structural basis for dipeptide amide isoform-selective inhibition of neuronal nitric oxide synthase.
Resolution1.78 Å
Binding residue
(original residue number in PDB)		W676 F691 H692 E694
Binding residue
(residue number reindexed from 1)		W367 F382 H383 E385
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) C415 R418 W587 E592
Catalytic site (residue number reindexed from 1) C106 R109 W278 E283
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:1p6k, PDBe:1p6k, PDBj:1p6k
PDBsum1p6k
PubMed14718923
UniProtP29476|NOS1_RAT Nitric oxide synthase 1 (Gene Name=Nos1)

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