Structure of PDB 5ada Chain B

Receptor sequence

>5adaB (length=411) Species: 10116 (Rattus norvegicus)

RFLKVKNWETDVVLTDTLHLKSTLETGCTEHICMGSIMLPVRTKDQLFPL
AKEFLDQYYSSIKRFGSKAHMDRLEEVNKEIESTSTYQLKDTELIYGAKH
AWRNASRCVGRIQWSKLQVFDARDCTTAHGMFNYICNHVKYATNKGNLRS
AITIFPQRTDGKHDFRVWNSQLIRYAGYKQPDGSTLGDPANVQFTEICIQ
QGWKAPRGRFDVLPLLLQANGNDPELFQIPPELVLEVPIRHPKFDWFKDL
GLKWYGLPAVSNMLLEIGGLEFSACPFSGWYMGTEIGVRDYCDNSRYNIL
EEVAKKMDLDMRKTSSLWKDQALVEINIAVLYSFQSDKVTIVDHHSATES
FIKHMENEYRCRGGCPADWVWIVPPMSGSITPVFHQEMLNYRLTPSFEYQ
PDPWNTHVWKG

3D structure

• PDB: 5ada Phenyl Ether- and Aniline-Containing 2-Aminoquinolines as Potent and Selective Inhibitors of Neuronal Nitric Oxide Synthase.
• Chain: B
• Resolution: 1.98 Å

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	H4B	B	F691 H692 Q693 E694	F384 H385 Q386 E387
BS02	ZN	B	C326 C331	C28 C33
BS03	HEM	B	W409 A412 R414 C415 M570 F584 W587 F704 Y706	W102 A105 R107 C108 M263 F277 W280 F397 Y399
BS04	H4B	B	S334 R596 V677 W678	S36 R289 V370 W371
BS05	2SN	B	Q478 V567 N569 M570 W587 E592	Q171 V260 N262 M263 W280 E285	MOAD: Ki=0.375uM BindingDB: Ki=37.0nM

Gene Ontology

Molecular Function

• GO:0004517 nitric-oxide synthase activity

Biological Process

• GO:0006809 nitric oxide biosynthetic process

External links

• PDB: RCSB:5ada, PDBe:5ada, PDBj:5ada
• PDBsum: 5ada
• PubMed: 26469213
• UniProt: P29476|NOS1_RAT Nitric oxide synthase 1 (Gene Name=Nos1)