Structure of PDB 1f20 Chain A Binding Site BS01

Receptor Information

>1f20 Chain A (length=435) Species: 10116 (Rattus norvegicus)

SWKRNKFRLTYVAEAPDLTQGLSNVHKKRVSAARLLSRQNLQSPKSSRST
IFVRLHTNGNQELQYQPGDHLGVFPGNHEDLVNALIERLEDAPPANHVVK
VEMLEERNTALGVISNWKDESRLPPCTIFQAFKYYLDITTPPTPLQLQQF
ASLATNEKEKQRLLVLSKGLQEYEEWKWGKNPTMVEVLEEFPSIQMPATL
LLTQLSLLQPRYYSISSSPDMYPDEVHLTVAIVSYHTRDGEGPVHHGVCS
SWLNRIQADDVVPCFVRGAPSFHLPRNPQVPCILVGPGTGIAPFRSFWQQ
RQFDIQHKGMNPCPMVLVFGCRQSKIDHIYREETLQAKNKGVFRELYTAY
SREPDRPKKYVQDVLQEQLAESVYRALKEQGGHIYVCGDVTMAADVLKAI
QRIMTQQGKLSEEDAGVFISRLRDDNRYHEDIFGV

Ligand information

• Ligand ID: FAD
• InChI: InChI=1S/C27H33N9O15P2/c1-10-3-12-13(4-11(10)2)35(24-18(32-12)25(42)34-27(43)33-24)5-14(37)19(39)15(38)6-48-52(44,45)51-53(46,47)49-7-16-20(40)21(41)26(50-16)36-9-31-17-22(28)29-8-30-23(17)36/h3-4,8-9,14-16,19-21,26,37-41H,5-7H2,1-2H3,(H,44,45)(H,46,47)(H2,28,29,30)(H,34,42,43)/t14-,15+,16+,19-,20+,21+,26+/m0/s1
• InChIKey: VWWQXMAJTJZDQX-UYBVJOGSSA-N
• SMILES:
  CACTVS 3.341: Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[C@H](O)[C@H](O)[C@H](O)CO[P@](O)(=O)O[P@@](O)(=O)OC[C@H]4O[C@H]([C@H](O)[C@@H]4O)n5cnc6c(N)ncnc56)c2cc1C
  OpenEye OEToolkits 1.5.0: Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)CC(C(C(COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)n5cnc6c5ncnc6N)O)O)O)O)O
  OpenEye OEToolkits 1.5.0: Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)C[C@@H]([C@@H]([C@@H](CO[P@@](=O)(O)O[P@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)n5cnc6c5ncnc6N)O)O)O)O)O
  CACTVS 3.341: Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[CH](O)[CH](O)[CH](O)CO[P](O)(=O)O[P](O)(=O)OC[CH]4O[CH]([CH](O)[CH]4O)n5cnc6c(N)ncnc56)c2cc1C
  ACDLabs 10.04: O=C2C3=Nc1cc(c(cc1N(C3=NC(=O)N2)CC(O)C(O)C(O)COP(=O)(O)OP(=O)(O)OCC6OC(n5cnc4c(ncnc45)N)C(O)C6O)C)C
• Formula: C27 H33 N9 O15 P2
• Name: FLAVIN-ADENINE DINUCLEOTIDE
• ChEMBL: CHEMBL1232653
• DrugBank: DB03147
• ZINC: ZINC000008215434
• PDB chain: 1f20 Chain A Residue 1501

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1f20 Crystal structure of the FAD/NADPH-binding domain of rat neuronal nitric-oxide synthase. Comparisons with NADPH-cytochrome P450 oxidoreductase.
• Resolution: 1.9 Å
• Binding residue (original residue number in PDB): H1032 R1173 Y1174 Y1175 S1176 T1191 V1192 A1193 Y1197 G1209 V1210 C1211 S1212 T1251 F1395
• Binding residue (residue number reindexed from 1): H70 R211 Y212 Y213 S214 T229 V230 A231 Y235 G247 V248 C249 S250 T289 F433
• Annotation score: 2

Enzymatic activity

• Catalytic site (original residue number in PDB): Y1175 S1176 C1349 D1393 F1395
• Catalytic site (residue number reindexed from 1): Y213 S214 C387 D431 F433
• Enzyme Commision number: 1.14.13.39: nitric-oxide synthase (NADPH).

Gene Ontology

Molecular Function

• GO:0016491 oxidoreductase activity

External links

• PDB: RCSB:1f20, PDBe:1f20, PDBj:1f20
• PDBsum: 1f20
• PubMed: 11473123
• UniProt: P29476|NOS1_RAT Nitric oxide synthase 1 (Gene Name=Nos1)