Structure of PDB 4k5u Chain A Binding Site BS01

Receptor Information

>4k5u Chain A (length=218) Species: 7757 (Petromyzon marinus)

ACPSQCSCSGTEVNCAGKSLASVPAGIPTTTRVLYLNSNQITKLEPGVFD
RLANLRELHLWGNQLVSLPPGVFDNLANLEKLWLNSNQLTSLPAGLFDRL
VNLEHLGLCCMKLTELPSGAFDKLTRLKQLGLDQNQLKSIPDGAFARLPS
LTHVWLHTNPWDCQCTDILYLSGWVAQHSSIVGEGWPWRHSPDSAKCSGT
NTPVRAVTEASTSPSKCP

Ligand information

• Ligand ID: GAL
• InChI: InChI=1S/C6H12O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-11H,1H2/t2-,3+,4+,5-,6-/m1/s1
• InChIKey: WQZGKKKJIJFFOK-FPRJBGLDSA-N
• SMILES:
  CACTVS 3.370: OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@H]1O
  OpenEye OEToolkits 1.7.2: C(C1C(C(C(C(O1)O)O)O)O)O
  CACTVS 3.370: OC[CH]1O[CH](O)[CH](O)[CH](O)[CH]1O
  ACDLabs 12.01: OC1C(O)C(OC(O)C1O)CO
  OpenEye OEToolkits 1.7.2: C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O)O)O)O)O
• Formula: C6 H12 O6
• Name: beta-D-galactopyranose;
  beta-D-galactose;
  D-galactose;
  galactose
• ChEMBL: CHEMBL300520
• ZINC: ZINC000002597049
• PDB chain: 4k5u Chain A Residue 301

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4k5u Recognition of the thomsen-friedenreich pancarcinoma carbohydrate antigen by a lamprey variable lymphocyte receptor.
• Resolution: 1.698 Å
• Binding residue (original residue number in PDB): C110 G132 D134 W156 W187
• Binding residue (residue number reindexed from 1): C109 G131 D133 W155 W186
• Annotation score: 4
• Binding affinity: MOAD: Ka=9600M^-1

Gene Ontology

Cellular Component

• GO:0005615 extracellular space
• GO:0031012 extracellular matrix

External links

• PDB: RCSB:4k5u, PDBe:4k5u, PDBj:4k5u
• PDBsum: 4k5u
• PubMed: 23782692
• UniProt: K0IE77