Structure of PDB 1fq9 Chain C Binding Site BS02

Receptor Information

>1fq9 Chain C (length=211) Species: 9606 (Homo sapiens)

MPVAPYWTSPEKMEKKLHAVPAAKTVKFKCPSSGTPQPTLRWLKNGKEFK
PDHRIGGYKVRYATWSIIMDSVVPSDKGNYTCIVENEYGSINHTYQLDVV
ERSPHRPILQAGLPANKTVALGSNVEFMCKVYSDPQPHIQWLKHIEVNGS
KIGPDNLPYVQILKTAGVNTTDKEMEVLHLRNVSFEDAGEYTCLAGNSIG
LSHHSAWLTVL

Ligand information

• Ligand ID: UAP
• InChI: InChI=1S/C6H8O9S/c7-2-1-3(5(8)9)14-6(10)4(2)15-16(11,12)13/h1-2,4,6-7,10H,(H,8,9)(H,11,12,13)/t2-,4+,6+/m0/s1
• InChIKey: VJIMUKBSNUBECH-YKKSOZKNSA-N
• SMILES:
  OpenEye OEToolkits 1.7.6: C1=C(OC(C(C1O)OS(=O)(=O)O)O)C(=O)O
  CACTVS 3.370: O[CH]1OC(=C[CH](O)[CH]1O[S](O)(=O)=O)C(O)=O
  CACTVS 3.370: O[C@@H]1OC(=C[C@H](O)[C@H]1O[S](O)(=O)=O)C(O)=O
  ACDLabs 12.01: O=C(O)C=1OC(O)C(OS(=O)(=O)O)C(O)C=1
  OpenEye OEToolkits 1.7.6: C1=C(O[C@H]([C@@H]([C@H]1O)OS(=O)(=O)O)O)C(=O)O
• Formula: C6 H8 O9 S
• Name: 4-deoxy-2-O-sulfo-alpha-L-threo-hex-4-enopyranuronic acid;
  4-deoxy-2-O-sulfo-alpha-L-threo-hex-4-enuronic acid;
  4-deoxy-2-O-sulfo-L-threo-hex-4-enuronic acid;
  4-deoxy-2-O-sulfo-threo-hex-4-enuronic acid
• DrugBank: DB03981
• ZINC: ZINC000005834516
• PDB chain: 1fq9 Chain E Residue 8

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): T173 K175
• Binding residue (residue number reindexed from 1): T25 K27
• Annotation score: 1

Enzymatic activity

• Enzyme Commision number: 2.7.10.1: receptor protein-tyrosine kinase.

External links

• PDB: RCSB:1fq9, PDBe:1fq9, PDBj:1fq9
• PDBsum: 1fq9
• PubMed: 11030354
• UniProt: P11362|FGFR1_HUMAN Fibroblast growth factor receptor 1 (Gene Name=FGFR1)