Structure of PDB 1rs8 Chain A Binding Site BS02

Receptor Information
>1rs8 Chain A (length=406) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GPKFPRVKNWELGSITYDTLCAQSQQDGPCTPRRCLGSLVLPRPPAEQLL
SQARDFINQYYSSIKRSGSQAHEERLQEVEAEVASTGTYHLRESELVFGA
KQAWRNAPRCVGRIQWGKLQVFDARDCSSAQEMFTYICNHIKYATNRGNL
RSAITVFPQRAPGRGDFRIWNSQLVRYAGYRQQDGSVRGDPANVEITELC
IQHGWTPGNGRFDVLPLLLQAPDEAPELFVLPPELVLEVPLEHPTLEWFA
ALGLRWYALPAVSNMLLEIGGLEFSAAPFSGWYMSTEIGTRNLCDPHRYN
ILEDVAVCMDLDTRTTSSLWKDKAAVEINLAVLHSFQLAKVTIVDHHAAT
VSFMKHLDNEQKARGGCPADWAWIVPPISGSLTPVFHQEMVNYILSPAFR
YQPDPW
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 chain1rs8 Chain A 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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PDB1rs8 Structures of the neuronal and endothelial nitric oxide synthase heme domain with D-nitroarginine-containing dipeptide inhibitors bound.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		W180 R185 C186 M341 F355 S356 W358 M360 E363 W449 F475 Y477
Binding residue
(residue number reindexed from 1)		W104 R109 C110 M265 F279 S280 W282 M284 E287 W373 F399 Y401
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) C186 R189 W358 E363
Catalytic site (residue number reindexed from 1) C110 R113 W282 E287
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:1rs8, PDBe:1rs8, PDBj:1rs8
PDBsum1rs8
PubMed15122883
UniProtP29473|NOS3_BOVIN Nitric oxide synthase 3 (Gene Name=NOS3)

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