Structure of PDB 4fvv Chain B Binding Site BS01

Receptor Information

>4fvv Chain B (length=415) Species: 1491 (Clostridium botulinum)

SINDSKILSLQNKKNTLMDTSGYNAEVRVEGNVQLNPIFPFDFKLGSSGD
DRGKVIVTQNENIVYNAMYESFSISFWIRINKWVSNLPGYTIIDSVKNNS
GWSIGIISNFLVFTLKQNENSEQDINFSYDISKNAAGYNKWFFVTITTNM
MGNMMIYINGKLIDTIKVKLTGINFSKTITFQMNKIPNTGSDNINMWIRD
FYIFAKELDDKDINILFNSLQYTNVVKDYWGNDLRYDKEYYMINVNYMNR
YMSKKGNGIVFNTRKNNNDFNEGYKIIIKRIRGNTNDTRVRGENVLYFNT
TIDNKQYSLGMYKPSRNLGTDLVPLGALDQPMDEIRKYGSFIIQPCNTFD
YYASQLFLSSNATTNRLGILSIGSYSFRLGGDWYRHEYLIPVIKIEHYAS
LLESTSTHWVFVPAS

Ligand information

• Ligand ID: SIA
• InChI: InChI=1S/C11H19NO9/c1-4(14)12-7-5(15)2-11(20,10(18)19)21-9(7)8(17)6(16)3-13/h5-9,13,15-17,20H,2-3H2,1H3,(H,12,14)(H,18,19)/t5-,6+,7+,8+,9+,11+/m0/s1
• InChIKey: SQVRNKJHWKZAKO-YRMXFSIDSA-N
• SMILES:
  CACTVS 3.341: CC(=O)N[CH]1[CH](O)C[C](O)(O[CH]1[CH](O)[CH](O)CO)C(O)=O
  OpenEye OEToolkits 1.5.0: CC(=O)NC1C(CC(OC1C(C(CO)O)O)(C(=O)O)O)O
  OpenEye OEToolkits 1.5.0: CC(=O)N[C@@H]1[C@H](C[C@@](O[C@H]1[C@@H]([C@@H](CO)O)O)(C(=O)O)O)O
  ACDLabs 10.04: O=C(O)C1(O)OC(C(O)C(O)CO)C(NC(=O)C)C(O)C1
  CACTVS 3.341: CC(=O)N[C@@H]1[C@@H](O)C[C@@](O)(O[C@H]1[C@H](O)[C@H](O)CO)C(O)=O
• Formula: C11 H19 N O9
• Name: N-acetyl-alpha-neuraminic acid;
  N-acetylneuraminic acid;
  sialic acid;
  alpha-sialic acid;
  O-SIALIC ACID
• ChEMBL: CHEMBL1234621
• DrugBank: DB03721
• ZINC: ZINC000004081651
• PDB chain: 4fvv Chain B Residue 1403

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4fvv Botulinum neurotoxin serotype C associates with dual ganglioside receptors to facilitate cell entry.
• Resolution: 2.7 Å
• Binding residue (original residue number in PDB): Y1115 I1240 G1241 S1242 S1274
• Binding residue (residue number reindexed from 1): Y247 I372 G373 S374 S406
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): K906 I969
• Catalytic site (residue number reindexed from 1): K44 I107

Gene Ontology

Cellular Component

• GO:0005576 extracellular region

External links

• PDB: RCSB:4fvv, PDBe:4fvv, PDBj:4fvv
• PDBsum: 4fvv
• PubMed: 23027864
• UniProt: Q9LBR1