Structure of PDB 3rqn Chain A

Receptor sequence
>3rqnA (length=409) Species: 10116 (Rattus norvegicus) [Search protein sequence]
RFLKVKNWETDVVLTDTLHLKSTLETGCTEHICMGSIMLPVRTKDQLFPL
AKEFLDQYYSSIKRFGSKAHMDRLEEVNKEIESTSTYQLKDTELIYGAKH
AWRNASRCVGRIQWSKLQVFDARDCTTAHGMFNYICNHVKYATNKGNLRS
AITIFPQRTDGKHDFRVWNSQLIRYAGYKQPDGSTLGDPANVQFTEICIQ
QGWKAPRGRFDVLPLLLQANGNDPELFQIPPELVLEVPIRHPKFDWFKDL
GLKWYGLPAVSNMLLEIGGLEFSACPFSGWYMGTEIGVRDYCDNSRYNIL
EEVAKKMDLDMRKTSSLWKDQALVEINIAVLYSFQSDKVTIVDHHSATES
FIKHMENEYRCRGGCPADWVWIVPPMSGSITPVFHQEMLNYRLTPSFEYQ
PDPWNTHVW
3D structure
PDB3rqn Cyclopropyl- and methyl-containing inhibitors of neuronal nitric oxide synthase.
ChainA
Resolution1.95 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) C108 R111 W280 E285
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 M570 F584 W587 E592 W678 F704 W102 C108 V109 M263 F277 W280 E285 W371 F397
BS02 H4B A S334 R596 V677 W678 S36 R289 V370 W371
BS03 Y2F A M336 P565 V567 W587 E592 W678 Y706 M38 P258 V260 W280 E285 W371 Y399
BS04 ZN A C326 C331 C28 C33
BS05 H4B A W676 F691 E694 W369 F384 E387
Gene Ontology
Molecular Function
GO:0004517 nitric-oxide synthase activity
Biological Process
GO:0006809 nitric oxide biosynthetic process

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Molecular Function
View graph for
Biological Process
External links
PDB RCSB:3rqn, PDBe:3rqn, PDBj:3rqn
PDBsum3rqn
PubMed23352768
UniProtP29476|NOS1_RAT Nitric oxide synthase 1 (Gene Name=Nos1)

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