Structure of PDB 7tsk Chain A Binding Site BS02

Receptor Information
>7tsk Chain A (length=400) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
FPRVKNWEVGSITYDTLSAQAQQDGPCTPRRCLGSLVFPPEQLLSQARDF
INQYYSSIKRSGSQAHEQRLQEVEAEVAATGTYQLRESELVFGAKQAWRN
APRCVGRIQWGKLQVFDARDCRSAQEMFTYICNHIKYATNRGNLRSAITV
FPQRCPGRGDFRIWNSQLVRYAGYRQQDGSVRGDPANVEITELCIQHGWT
PGNGRFDVLPLLLQAPDEPPELFLLPPELVLEVPLEHPTLEWFAALGLRW
YALPAVSNMLLEIGGLEFPAAPFSGWYMSTEIGTRNLCDPHRYNILEDVA
VCMDLDTRTTSSLWKDKAAVEINVAVLHSYQLAKVTIVDHHAATASFMKH
LENEQKARGGCPADWAWIVPPISGSLTPVFHQEMVNYFLSPAFRYQPDPW
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 chain7tsk Chain A 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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PDB7tsk 2-Aminopyridines with a shortened amino sidechain as potent, selective, and highly permeable human neuronal nitric oxide synthase inhibitors.
Resolution2.049 Å
Binding residue
(original residue number in PDB)		S102 R365 A446 W447
Binding residue
(residue number reindexed from 1)		S35 R285 A366 W367
Annotation score1
Enzymatic activity
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:7tsk, PDBe:7tsk, PDBj:7tsk
PDBsum7tsk
PubMed35772285
UniProtP29474|NOS3_HUMAN Nitric oxide synthase 3 (Gene Name=NOS3)

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