Structure of PDB 1p6m Chain B Binding Site BS03

Receptor Information
>1p6m Chain B (length=402) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KFPRVKNWELGSITYDTLCAQSQQDGPCTPRRCLGSLVLPRAEQLLSQAR
DFINQYYSSIKRSGSQAHEERLQEVEAEVASTGTYHLRESELVFGAKQAW
RNAPRCVGRIQWGKLQVFDARDCSSAQEMFTYICNHIKYATNRGNLRSAI
TVFPQRAPGRGDFRIWNSQLVRYAGYRQQDGSVRGDPANVEITELCIQHG
WTPGNGRFDVLPLLLQAPDEAPELFVLPPELVLEVPLEHPTLEWFAALGL
RWYALPAVSNMLLEIGGLEFSAAPFSGWYMSTEIGTRNLCDPHRYNILED
VAVCMDLDTRTTSSLWKDKAAVEINLAVLHSFQLAKVTIVDHHAATVSFM
KHLDNEQKARGGCPADWAWIVPPISGSLTPVFHQEMVNYILSPAFRYQPD
PW
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 chain1p6m Chain B Residue 500 [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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PDB1p6m Structural basis for dipeptide amide isoform-selective inhibition of neuronal nitric oxide synthase.
Resolution2.27 Å
Binding residue
(original residue number in PDB)		W180 R185 C186 F355 W358 E363 W449 F475 Y477
Binding residue
(residue number reindexed from 1)		W100 R105 C106 F275 W278 E283 W369 F395 Y397
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) C186 R189 W358 E363
Catalytic site (residue number reindexed from 1) C106 R109 W278 E283
Enzyme Commision number 1.14.13.39: nitric-oxide synthase (NADPH).
Gene Ontology
Molecular Function
GO:0004517 nitric-oxide synthase activity
GO:0020037 heme binding
Biological Process
GO:0006809 nitric oxide biosynthetic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:1p6m, PDBe:1p6m, PDBj:1p6m
PDBsum1p6m
PubMed14718923
UniProtP29473|NOS3_BOVIN Nitric oxide synthase 3 (Gene Name=NOS3)

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