Structure of PDB 1gir Chain A Binding Site BS01

Receptor Information

>1gir Chain A (length=411) Species: 1502 (Clostridium perfringens)

IERPEDFLKDKENAIQWEKKEAERVEKNLDTLEKEALELYKKDSEQISNY
SQTRQYFYDYQIESNPREKEYKNLRNAISKNKIDKPINVYYFESPEKFAF
NKEIRTENQNEISLEKFNELKETIQDKLFKQDGFKDVSLYEPGNGDEKPT
PLLIHLKLPKNTGMLPYINSNDVKTLIEQDYSIKIDKIVRIVIEGKQYIK
AEASIVNSLDFKDDVSKGDLWGKENYSDWSNKLTPNELADVNDYMRGGYT
AINNYLISNGPLNNPNPELDSKVNNIENALKLTPIPSNLIVYRRSGPQEF
GLTLTSPEYDFNKIENIDAFKEKWEGKVITYPNFISTSIGSVNMSAFAKR
KIILRINIPKDSPGAYLSAIPGYAGEYEVLLNHGSKFKINKVDSYKDGTV
TKLILDATLIN

Ligand information

• Ligand ID: NDP
• InChI: InChI=1S/C21H30N7O17P3/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/h1,3-4,7-8,10-11,13-16,20-21,29-31H,2,5-6H2,(H2,23,32)(H,36,37)(H,38,39)(H2,22,24,25)(H2,33,34,35)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
• InChIKey: ACFIXJIJDZMPPO-NNYOXOHSSA-N
• SMILES:
  OpenEye OEToolkits 1.5.0: c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)O[P@@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)N5C=CCC(=C5)C(=O)N)O)O)O)OP(=O)(O)O)N
  CACTVS 3.341: NC(=O)C1=CN(C=CC1)[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)C1=CN(C=CC1)[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: c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)N5C=CCC(=C5)C(=O)N)O)O)O)OP(=O)(O)O)N
• Formula: C21 H30 N7 O17 P3
• Name: NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
• ChEMBL: CHEMBL407009
• DrugBank: DB02338
• ZINC: ZINC000008215411
• PDB chain: 1gir Chain A Residue 500

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1gir Crystal Structure and Site-directed Mutagenesis of Enzymatic Components from Clostridium perfringens Iota-toxin
• Resolution: 2.1 Å
• Binding residue (original residue number in PDB): R295 R296 G298 P299 Q300 E301 Y333 N335 T339 F349 R352 E378 E380
• Binding residue (residue number reindexed from 1): R293 R294 G296 P297 Q298 E299 Y331 N333 T337 F347 R350 E376 E378
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): K176
• Catalytic site (residue number reindexed from 1): K174

Gene Ontology

Molecular Function

• GO:0000166 nucleotide binding

Cellular Component

• GO:0005576 extracellular region

External links

• PDB: RCSB:1gir, PDBe:1gir, PDBj:1gir
• PDBsum: 1gir
• PubMed: 12498797
• UniProt: Q46220