Structure of PDB 1tll Chain A Binding Site BS03

Receptor Information

>1tll Chain A (length=630) Species: 10116 (Rattus norvegicus)

AKRVKATILYATETGKSQAYAKTLCEIFKHAFDAKAMSMEEYDIVHLEHE
ALVLVVTSTFGNGDPPENGEKFGCALMEMRHEERKSYKVRFNSVSGPLAN
VRFSVFGLGSRAYPHFCAFGHAVDTLLEELGGERILKMREGDELCGQEEA
FRTWAKKVFKAACDVFCVGDDVNIESNDRSWKRNKFRLTYVAEAPDLTQG
LSNVHKKRVSAARLLSRQNLQSPKSSRSTIFVRLHTNGNQELQYQPGDHL
GVFPGNHEDLVNALIERLEDAPPANHVVKVEMLEERNTALGVISNWKDES
RLPPCTIFQAFKYYLDITTPPTPLQLQQFASLATNEKEKQRLLVLSKGLQ
EYEEWKWGKNPTMVEVLEEFPSIQMPATLLLTQLSLLQPRYYSISSSPDM
YPDEVHLTVAIVSYHTRDGEGPVHHGVCSSWLNRIQADDVVPCFVRGAPS
FHLPRNPQVPCILVGPGTGIAPFRSFWQQRQFDIQHKGMNPCPMVLVFGC
RQSKIDHIYREETLQAKNKGVFRELYTAYSREPDRPKKYVQDVLQEQLAE
SVYRALKEQGGHIYVCGDVTMAADVLKAIQRIMTQQGKLSEEDAGVFISR
LRDDNRYHEDIFGVTLRTYEVTNRLRSESI

Ligand information

• Ligand ID: NAP
• InChI: InChI=1S/C21H28N7O17P3/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(44-46(33,34)35)14(30)11(43-21)6-41-48(38,39)45-47(36,37)40-5-10-13(29)15(31)20(42-10)27-3-1-2-9(4-27)18(23)32/h1-4,7-8,10-11,13-16,20-21,29-31H,5-6H2,(H7-,22,23,24,25,32,33,34,35,36,37,38,39)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
• InChIKey: XJLXINKUBYWONI-NNYOXOHSSA-N
• SMILES:
  OpenEye OEToolkits 1.5.0: c1cc(c[n+](c1)C2C(C(C(O2)COP(=O)([O-])OP(=O)(O)OCC3C(C(C(O3)n4cnc5c4ncnc5N)OP(=O)(O)O)O)O)O)C(=O)N
  CACTVS 3.341: NC(=O)c1ccc[n+](c1)[CH]2O[CH](CO[P]([O-])(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O[P](O)(O)=O)[CH]3O)n4cnc5c(N)ncnc45)[CH](O)[CH]2O
  CACTVS 3.341: NC(=O)c1ccc[n+](c1)[C@@H]2O[C@H](CO[P]([O-])(=O)O[P@@](O)(=O)OC[C@H]3O[C@H]([C@H](O[P](O)(O)=O)[C@@H]3O)n4cnc5c(N)ncnc45)[C@@H](O)[C@H]2O
  OpenEye OEToolkits 1.5.0: c1cc(c[n+](c1)[C@H]2[C@@H]([C@@H]([C@H](O2)CO[P@@](=O)([O-])O[P@](=O)(O)OC[C@@H]3[C@H]([C@H]([C@@H](O3)n4cnc5c4ncnc5N)OP(=O)(O)O)O)O)O)C(=O)N
• Formula: C21 H28 N7 O17 P3
• Name: NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE;
  2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE
• ChEMBL: CHEMBL295069
• DrugBank: DB03461
• PDB chain: 1tll Chain A Residue 1453

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1tll Structural basis for isozyme-specific regulation of electron transfer in nitric-oxide synthase
• Resolution: 2.3 Å
• Binding residue (original residue number in PDB): R1010 I1194 V1195 S1196 P1249 G1250 T1251 C1283 R1284 S1313 R1314 Y1322 Q1324 M1354 T1398 L1399 R1400
• Binding residue (residue number reindexed from 1): R227 I411 V412 S413 P466 G467 T468 C500 R501 S530 R531 Y539 Q541 M571 T615 L616 R617
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): S1176 C1349 D1393 F1395
• Catalytic site (residue number reindexed from 1): S393 C566 D610 F612
• Enzyme Commision number: 1.14.13.39: nitric-oxide synthase (NADPH).

Gene Ontology

Molecular Function

• GO:0010181 FMN binding
• GO:0016491 oxidoreductase activity

External links

• PDB: RCSB:1tll, PDBe:1tll, PDBj:1tll
• PDBsum: 1tll
• PubMed: 15208315
• UniProt: P29476|NOS1_RAT Nitric oxide synthase 1 (Gene Name=Nos1)