Structure of PDB 4d3b Chain A

Receptor sequence
>4d3bA (length=407) Species: 10116 (Rattus norvegicus) [Search protein sequence]
RFLKVKNWETDVVLTDTLHLKSTLETGCTEHICMGSIMLPTKDQLFPLAK
EFLDQYYSSIKRFGSKAHMDRLEEVNKEIESTSTYQLKDTELIYGAKHAW
RNASRCVGRIQWSKLQVFDARDCTTAHGMFNYICNHVKYATNKGNLRSAI
TIFPQRTDGKHDFRVWNSQLIRYAGYKQPDGSTLGDPANVQFTEICIQQG
WKAPRGRFDVLPLLLQANGNDPELFQIPPELVLEVPIRHPKFDWFKDLGL
KWYGLPAVSNMLLEIGGLEFSACPFSGWYMGTEIGVRDYCDNSRYNILEE
VAKKMDLDMRKTSSLWKDQALVEINIAVLYSFQSDKVTIVDHHSATESFI
KHMENEYRCRGGCPADWVWIVPPMSGSITPVFHQEMLNYRLTPSFEYQPD
PWNTHVW
3D structure
PDB4d3b Novel 2,4-Disubstituted Pyrimidines as Potent, Selective, and Cell-Permeable Inhibitors of Neuronal Nitric Oxide Synthase.
ChainA
Resolution1.798 Å
3D
structure
Catalytic site residues are labeled in the structure
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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).
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 W409 C415 V416 G417 F584 G586 W587 E592 W678 F704 Y706 W100 C106 V107 G108 F275 G277 W278 E283 W369 F395 Y397
BS02 H4B A S334 R596 V677 W678 S36 R287 V368 W369
BS03 6J0 A M336 L337 Q478 P565 V567 Y706 M38 L39 Q169 P256 V258 Y397 MOAD: Ki=0.368uM
BindingDB: Ki=370nM
BS04 ZN A C326 C331 C28 C33
BS05 H4B A F691 E694 F382 E385
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:4d3b, PDBe:4d3b, PDBj:4d3b
PDBsum4d3b
PubMed25489882
UniProtP29476|NOS1_RAT Nitric oxide synthase 1 (Gene Name=Nos1)

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