Structure of PDB 4d3a Chain A

Receptor sequence
>4d3aA (length=405) Species: 9913 (Bos taurus) [Search protein sequence]
GPKFPRVKNWELGSITYDTLCAQSQQDGPCTPRRCLGSLVLPRPAEQLLS
QARDFINQYYSSIKRSGSQAHEERLQEVEAEVASTGTYHLRESELVFGAK
QAWRNAPRCVGRIQWGKLQVFDARDCSSAQEMFTYICNHIKYATNRGNLR
SAITVFPQRAPGRGDFRIWNSQLVRYAGYRQQDGSVRGDPANVEITELCI
QHGWTPGNGRFDVLPLLLQAPDEAPELFVLPPELVLEVPLEHPTLEWFAA
LGLRWYALPAVSNMLLEIGGLEFSAAPFSGWYMSTEIGTRNLCDPHRYNI
LEDVAVCMDLDTRTTSSLWKDKAAVEINLAVLHSFQLAKVTIVDHHAATV
SFMKHLDNEQKARGGCPADWAWIVPPISGSLTPVFHQEMVNYILSPAFRY
QPDPW
3D structure
PDB4d3a Novel 2,4-Disubstituted Pyrimidines as Potent, Selective, and Cell-Permeable Inhibitors of Neuronal Nitric Oxide Synthase.
ChainA
Resolution2.252 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) C186 R189 W358 E363
Catalytic site (residue number reindexed from 1) C109 R112 W281 E286
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 W180 R185 C186 F355 W358 W449 F475 Y477 W103 R108 C109 F278 W281 W372 F398 Y400
BS02 H4B A S104 R367 A448 W449 S38 R290 A371 W372
BS03 7F5 A V106 Q249 P336 A337 V338 F355 V40 Q172 P259 A260 V261 F278 MOAD: Ki=15.4uM
BS04 ZN A C96 C101 C30 C35
BS05 H4B A W447 F462 E465 W370 F385 E388
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:4d3a, PDBe:4d3a, PDBj:4d3a
PDBsum4d3a
PubMed25489882
UniProtP29473|NOS3_BOVIN Nitric oxide synthase 3 (Gene Name=NOS3)

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