Structure of PDB 2h4i Chain A Binding Site BS01

Receptor Information

>2h4i Chain A (length=341) Species: 9913 (Bos taurus)

YTRVVWCAVGPEEQKKCQQWSQQSGQNVTCATASTTDDCIVLVLKGEADA
LNLDGGYIYTAGKCGLVPVLAENRKSSKHSSLDCVLRPTEGYLAVAVVKK
ANEGLTWNSLKDKKSCHTAVDRTAGWNIPMGLIVNQTGSCAFDEFFSQSC
APGADPKSRLCALCAGDDQGLDKCVPNSKEKYYGYTGAFRCLAEDVGDVA
FVKNDTVWENTNGESTADWAKNLKREDFRLLCLDGTRKPVTEAQSCHLAV
APNHAVVSRSDRAAHVEQVLLHQQALFGKNGKNCPDKFCLFKSETKNLLF
NDNTECLAKLGGRPTYEEYLGTEYVTAIANLKKCSLEACAF

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: 2h4i Chain E Residue 2

Receptor-Ligand Complex Structure

Structure summary

• PDB: 2h4i Crystal structure of the complex of proteolytically produced C-terminal half of bovine lactoferrin with lactose at 2.55 A resolution
• Resolution: 2.55 Å
• Binding residue (original residue number in PDB): E658 E659 G662 T663
• Binding residue (residue number reindexed from 1): E317 E318 G321 T322
• Annotation score: 4

Enzymatic activity

• Enzyme Commision number: 3.4.21.-

Gene Ontology

Cellular Component

• GO:0005576 extracellular region

External links

• PDB: RCSB:2h4i, PDBe:2h4i, PDBj:2h4i
• PDBsum: 2h4i
• UniProt: P24627|TRFL_BOVIN Lactotransferrin (Gene Name=LTF)