Structure of PDB 6nga Chain A

Receptor sequence
>6ngaA (length=413) Species: 9606 (Homo sapiens) [Search protein sequence]
CPRFLKVKNWETEVVLTDTLHLKSTLETGCTEYICMGSIMHPDVATKDQL
FPLAKEFIDQYYSSIKRFGSKAHMERLEEVNKEIDTTSTYQLKDTELIYG
AKHAWRNASRCVGRIQWSKLQVFDARDCTTAHGMFNYICNHVKYATNKGN
LRSAITIFPQRTDGKHDFRVWNSQLIRYAGYKQPDGSTLGDPANVQFTEI
CIQQGWKPPRGRFDVLPLLLQANGNDPELFQIPPELVLEVPIRHPKFEWF
KDLGLKWYGLPAVSNMLLEIGGLEFSACPFSGWYMGTEIGVRDYCDNSRY
NILEEVAKKMNLDMRKTSSLWKDQALVEINIAVLYSFQSDKVTIVDHHSA
TESFIKHMENEYRCRGGCPADWVWIVPPMSGSITPVFHQEMLNYRLTPSF
EYQPDPWNTHVWK
3D structure
PDB6nga Optimization of Blood-Brain Barrier Permeability with Potent and Selective Human Neuronal Nitric Oxide Synthase Inhibitors Having a 2-Aminopyridine Scaffold.
ChainA
Resolution1.98 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) C420 R423 W592 E597
Catalytic site (residue number reindexed from 1) C111 R114 W283 E288
Enzyme Commision number 1.14.13.39: nitric-oxide synthase (NADPH).
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 HEM A W414 R419 C420 F589 W592 E597 W683 F709 Y711 W105 R110 C111 F280 W283 E288 W374 F400 Y402
BS02 H4B A S339 R601 V682 W683 S38 R292 V373 W374
BS03 KL7 A P570 V572 F589 W592 E597 Y711 P261 V263 F280 W283 E288 Y402 MOAD: Ki=36nM
BindingDB: Ki=36nM
BS04 ZN A C331 C336 C30 C35
BS05 H4B A F696 H697 Q698 E699 F387 H388 Q389 E390
Gene Ontology
Molecular Function
GO:0004517 nitric-oxide synthase activity
Biological Process
GO:0006809 nitric oxide biosynthetic process

View graph for
Molecular Function

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Biological Process
External links
PDB RCSB:6nga, PDBe:6nga, PDBj:6nga
PDBsum6nga
PubMed30802056
UniProtP29475|NOS1_HUMAN Nitric oxide synthase 1 (Gene Name=NOS1)

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