Structure of PDB 3nqs Chain B Binding Site BS01

Receptor Information
>3nqs Chain B (length=412) Species: 10090 (Mus musculus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QYVRIKNWGSGEILHDTLHHKATCLGSIMNPKSLTRGPRDKPTPLEELLP
HAIEFINQYYGSFKEAKIEEHLARLEAVTKEIETTGTYQLTLDELIFATK
MAWRNAPRCIGRIQWSNLQVFDARNCSTAQEMFQHICRHILYATNNGNIR
SAITVFPQRSDGKHDFRLWNSQLIRYAGYQMPDGTIRGDAATLEFTQLCI
DLGWKPRYGRFDVLPLVLQADGQDPEVFEIPPDLVLEVTMEHPKYEWFQE
LGLKWYALPAVANMLLEVGGLEFPACPFNGWYMGTEIGVRDFCDTQRYNI
LEEVGRRMGLETHTLASLWKDRAVTEINVAVLHSFQKQNVTIMDHHTASE
SFMKHMQNEYRARGGCPADWIWLVPPVSGSITPVFHQEMLNYVLSPFYYY
QIEPWKTHIWQN
Ligand information
Ligand IDHEM
InChIInChI=1S/C34H34N4O4.Fe/c1-7-21-17(3)25-13-26-19(5)23(9-11-33(39)40)31(37-26)16-32-24(10-12-34(41)42)20(6)28(38-32)15-30-22(8-2)18(4)27(36-30)14-29(21)35-25;/h7-8,13-16H,1-2,9-12H2,3-6H3,(H4,35,36,37,38,39,40,41,42);/q;+2/p-2/b25-13-,26-13-,27-14-,28-15-,29-14-,30-15-,31-16-,32-16-;
InChIKeyKABFMIBPWCXCRK-RGGAHWMASA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6Cc1c2n3c(c1CCC(=O)O)C=C4C(=C(C5=[N]4[Fe]36[N]7=C(C=C8N6C(=C5)C(=C8C)C=C)C(=C(C7=C2)C)C=C)C)CCC(=O)O
CACTVS 3.385CC1=C(CCC(O)=O)C2=Cc3n4[Fe]5|6|N2=C1C=c7n5c(=CC8=N|6C(=Cc4c(C)c3CCC(O)=O)C(=C8C=C)C)c(C)c7C=C
ACDLabs 12.01C=1c3c(c(c4C=C5C(=C(C=6C=C7C(=C(C8=CC=2C(=C(C=1N=2[Fe](n34)(N5=6)N78)CCC(=O)O)C)\C=C)C)\C=C)C)C)CCC(=O)O
FormulaC34 H32 Fe N4 O4
NamePROTOPORPHYRIN IX CONTAINING FE;
HEME
ChEMBL
DrugBankDB18267
ZINC
PDB chain3nqs Chain B Residue 901 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB3nqs Nitric-oxide synthase forms N-NO-pterin and S-NO-cys: implications for activity, allostery, and regulation.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		W188 C194 S236 F363 G365 W366 E371 W457 Y485
Binding residue
(residue number reindexed from 1)		W103 C109 S151 F278 G280 W281 E286 W372 Y400
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) C194 R197 W366 E371
Catalytic site (residue number reindexed from 1) C109 R112 W281 E286
Enzyme Commision number 1.14.13.39: nitric-oxide synthase (NADPH).
Gene Ontology
Molecular Function
GO:0004517 nitric-oxide synthase activity
Biological Process
GO:0006809 nitric oxide biosynthetic process

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Molecular Function
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Biological Process
External links
PDB RCSB:3nqs, PDBe:3nqs, PDBj:3nqs
PDBsum3nqs
PubMed20659888
UniProtP29477|NOS2_MOUSE Nitric oxide synthase, inducible (Gene Name=Nos2)

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