Structure of PDB 6pmy Chain B

Receptor sequence

>6pmyB (length=413) Species: 10116 (Rattus norvegicus)

RFLKVKNWETDVVLTDTLHLKSTLETGCTEHICMGSIMLPSQVRTKDQLF
PLAKEFLDQYYSSIKRFGSKAHMDRLEEVNKEIESTSTYQLKDTELIYGA
KHAWRNASRCVGRIQWSKLQVFDARDCTTAHGMFNYICNHVKYATNKGNL
RSAITIFPQRTDGKHDFRVWNSQLIRYAGYKQPDGSTLGDPANVQFTEIC
IQQGWKAPRGRFDVLPLLLQANGNDPELFQIPPELVLEVPIRHPKFDWFK
DLGLKWYGLPAVSNMLLEIGGLEFSACPFSGWYMGTEIGVRDYCDNSRYN
ILEEVAKKMDLDMRKTSSLWKDQALVEINIAVLYSFQSDKVTIVDHHSAT
ESFIKHMENEYRCRGGCPADWVWIVPPMSGSITPVFHQEMLNYRLTPSFE
YQPDPWNTHVWKG

3D structure

• PDB: 6pmy First Contact: 7-Phenyl-2-Aminoquinolines, Potent and Selective Neuronal Nitric Oxide Synthase Inhibitors That Target an Isoform-Specific Aspartate.
• Chain: B
• Resolution: 1.95 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): C415 R418 W587 E592
• Catalytic site (residue number reindexed from 1): C110 R113 W282 E287
• 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	H4B	B	F691 H692 Q693 E694	F386 H387 Q388 E389
BS02	ZN	B	C326 C331	C28 C33
BS03	HEM	B	W409 R414 C415 F584 W587 E592 F704 Y706	W104 R109 C110 F279 W282 E287 F399 Y401
BS04	H4B	B	S334 R596 V677 W678	S36 R291 V372 W373
BS05	OT4	B	V567 W587 E592	V262 W282 E287	MOAD: Ki=0.107uM

Gene Ontology

Molecular Function

• GO:0004517 nitric-oxide synthase activity

Biological Process

• GO:0006809 nitric oxide biosynthetic process

External links

• PDB: RCSB:6pmy, PDBe:6pmy, PDBj:6pmy
• PDBsum: 6pmy
• PubMed: 32302123
• UniProt: P29476|NOS1_RAT Nitric oxide synthase 1 (Gene Name=Nos1)