Structure of PDB 2p1s Chain A Binding Site BS03

Receptor Information

>2p1s Chain A (length=340) Species: 9913 (Bos taurus)

YTRVVWCAVGPEEQKKCQQWSQQSGQNVTCATASTTDDCIVLVLKGEADA
LNLDGGYIYTAGKCGLVPVLAENRKSSKHSSLDCVLRPTEGYLAVAVVKK
ANEGLTWNSLKDKKSCHTAVDRTAGWNIPMGLIVNQTGSCAFDEFFSQSC
APGADPKSRLCALCAGDDQGLDKCVPNSKEKYYGYTGAFRCLAEDVGDVA
FVKNDTVWENTNGESTADWAKNLKREDFRLLCLDGTRKPVTEAQSCHLAV
APNHAVVSRSDRAAHVEQVLLHQQALFGKNGKNCPDKFCLFKSETKNLLF
NDNTECLAKLGGRPTYEEYLGTEYVTAIANLKKCSLEACA

Ligand information

• Ligand ID: GLA
• 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-PHYPRBDBSA-N
• SMILES:
  CACTVS 3.341: OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@H]1O
  OpenEye OEToolkits 1.5.0: C(C1C(C(C(C(O1)O)O)O)O)O
  OpenEye OEToolkits 1.5.0: C([C@@H]1[C@@H]([C@@H]([C@H]([C@H](O1)O)O)O)O)O
  CACTVS 3.341: OC[CH]1O[CH](O)[CH](O)[CH](O)[CH]1O
  ACDLabs 10.04: OC1C(O)C(OC(O)C1O)CO
• Formula: C6 H12 O6
• Name: alpha-D-galactopyranose;
  alpha-D-galactose;
  D-galactose;
  galactose;
  ALPHA D-GALACTOSE
• ChEMBL: CHEMBL1233058
• ZINC: ZINC000000901155
• PDB chain: 2p1s Chain D Residue 3

Receptor-Ligand Complex Structure

Structure summary

• PDB: 2p1s Crystal structure of the C-terminal lobe of bovine lactoferrin complexed with O-alpha-D-Glucopyranosyl-(1 3)-alpha-D-fructofuranosyl-(2 1)-alpha-D-glucopyranoside at 1.93 A resolution
• Resolution: 1.93 Å
• Binding residue (original residue number in PDB): T430 E431
• Binding residue (residue number reindexed from 1): T89 E90
• Annotation score: 4

Enzymatic activity

• Enzyme Commision number: 3.4.21.-

Gene Ontology

Cellular Component

• GO:0005576 extracellular region

External links

• PDB: RCSB:2p1s, PDBe:2p1s, PDBj:2p1s
• PDBsum: 2p1s
• UniProt: P24627|TRFL_BOVIN Lactotransferrin (Gene Name=LTF)