Structure of PDB 4ctw Chain A Binding Site BS03

Receptor Information
>4ctw 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
KWYGLPAVSNMLLEIGGLEFSACPFSGWYMGTEIGVRDYCDNSRYNILEE
VAKKMDLDMRKTSSLWKDQALVEINIAVLYSFQSDKVTIVDHHSATESFI
KHMENEYRCRGGCPADWVWIVPPMSGSITPVFHQEMLNYRLTPSFEYQPD
PWNTHVW
Ligand information
Ligand IDS71
InChIInChI=1S/C22H28N6/c1-14-5-19(27-21(24)7-14)4-3-16-9-18(13-26-12-16)17(11-23)10-20-6-15(2)8-22(25)28-20/h5-9,12-13,17H,3-4,10-11,23H2,1-2H3,(H2,24,27)(H2,25,28)/t17-/m0/s1
InChIKeyHKLFDCGBVFYQPQ-KRWDZBQOSA-N
SMILES
SoftwareSMILES
CACTVS 3.385Cc1cc(N)nc(CCc2cncc(c2)[CH](CN)Cc3cc(C)cc(N)n3)c1
OpenEye OEToolkits 1.7.6Cc1cc(nc(c1)N)CCc2cc(cnc2)C(Cc3cc(cc(n3)N)C)CN
CACTVS 3.385Cc1cc(N)nc(CCc2cncc(c2)[C@H](CN)Cc3cc(C)cc(N)n3)c1
OpenEye OEToolkits 1.7.6Cc1cc(nc(c1)N)CCc2cc(cnc2)[C@@H](Cc3cc(cc(n3)N)C)CN
ACDLabs 12.01n1c(N)cc(cc1CCc2cc(cnc2)C(Cc3nc(N)cc(c3)C)CN)C
FormulaC22 H28 N6
Name(R)-6-(3-amino-2-(5-(2-(6-amino-4-methylpyridin-2-yl)ethyl)pyridin-3-yl)propyl)-4-methylpyridin-2-amine
ChEMBLCHEMBL3262026
DrugBank
ZINCZINC000098209390
PDB chain4ctw Chain A Residue 1719 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB4ctw Nitric Oxide Synthase Inhibitors that Interact with Both a Heme Propionate and Tetrahydrobiopterin Show High Isoform Selectivity.
Resolution1.9 Å
Binding residue
(original residue number in PDB)		Q478 P565 V567 F584 W587 E592 Y706
Binding residue
(residue number reindexed from 1)		Q169 P256 V258 F275 W278 E283 Y397
Annotation score1
Binding affinityMOAD: Ki=24nM
BindingDB: Ki=24nM
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:4ctw, PDBe:4ctw, PDBj:4ctw
PDBsum4ctw
PubMed24758147
UniProtP29476|NOS1_RAT Nitric oxide synthase 1 (Gene Name=Nos1)

[Back to BioLiP]