Structure of PDB 1fq9 Chain B Binding Site BS03

Receptor Information

>1fq9 Chain B (length=129) Species: 9606 (Homo sapiens)

HFKDPKRLYCKNGGFFLRIHPDGRVDGVREKSDPHIKLQLQAEERGVVSI
KGVSANRYLAMKEDGRLLASKSVTDECFFFERLESNNYNTYRSRKYTSWY
VALKRTGQYKLGSKTGPGQKAILFLPMSA

Ligand information

• Ligand ID: SGN
• InChI: InChI=1S/C6H13NO11S2/c8-4-2(1-17-20(14,15)16)18-6(10)3(5(4)9)7-19(11,12)13/h2-10H,1H2,(H,11,12,13)(H,14,15,16)/t2-,3-,4-,5-,6+/m1/s1
• InChIKey: DQTRACMFIGDHSN-UKFBFLRUSA-N
• SMILES:
  OpenEye OEToolkits 1.5.0: C([C@@H]1[C@H]([C@@H]([C@H]([C@H](O1)O)NS(=O)(=O)O)O)O)OS(=O)(=O)O
  CACTVS 3.341: O[CH]1O[CH](CO[S](O)(=O)=O)[CH](O)[CH](O)[CH]1N[S](O)(=O)=O
  OpenEye OEToolkits 1.5.0: C(C1C(C(C(C(O1)O)NS(=O)(=O)O)O)O)OS(=O)(=O)O
  ACDLabs 10.04: O=S(=O)(O)OCC1OC(O)C(NS(=O)(=O)O)C(O)C1O
  CACTVS 3.341: O[C@H]1O[C@H](CO[S](O)(=O)=O)[C@@H](O)[C@H](O)[C@H]1N[S](O)(=O)=O
• Formula: C6 H13 N O11 S2
• Name: 2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose;
  N,O6-DISULFO-GLUCOSAMINE;
  6-O-sulfo-N-sulfo-alpha-D-glucosamine;
  2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucose;
  2-deoxy-6-O-sulfo-2-(sulfoamino)-D-glucose;
  2-deoxy-6-O-sulfo-2-(sulfoamino)-glucose
• DrugBank: DB03959
• PDB chain: 1fq9 Chain F Residue 3

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1fq9 Crystal structure of a ternary FGF-FGFR-heparin complex reveals a dual role for heparin in FGFR binding and dimerization.
• Resolution: 3.0 Å
• Binding residue (original residue number in PDB): R120 Q134 K135 A136
• Binding residue (residue number reindexed from 1): R105 Q119 K120 A121
• Annotation score: 4

Gene Ontology

Molecular Function

• GO:0008083 growth factor activity

External links

• PDB: RCSB:1fq9, PDBe:1fq9, PDBj:1fq9
• PDBsum: 1fq9
• PubMed: 11030354
• UniProt: P09038|FGF2_HUMAN Fibroblast growth factor 2 (Gene Name=FGF2)