Structure of PDB 1zi5 Chain A Binding Site BS01

Receptor Information
>1zi5 Chain A (length=264) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
FMVSLPRMVYPQPKVLTPCRKDVLVVTPWLAPIVWEGTFNIDILNEQFRL
QNTTIGLTVFAIKKYVAFLKLFLETAEKHFMVGHRVHYYVFTDQPAAVPR
VTLGTGRQLSVLEVRERRFLSEVDYLVCVDVDMEFRDHVGVEILTPLFGT
LHPGFYGSSREAFTYERRPQSQAYIPKDEGDFYYLGGFFGGSVQEVQRLT
RACHQAMMVDQANGIEAVWHDESHLNKYLLRHKPTKVLSPEYLWDQQLLG
WPAVLRKLRFTAVP
Ligand information
Ligand IDGAL
InChIInChI=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
InChIKeyWQZGKKKJIJFFOK-FPRJBGLDSA-N
SMILES
SoftwareSMILES
CACTVS 3.370OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@H]1O
OpenEye OEToolkits 1.7.2C(C1C(C(C(C(O1)O)O)O)O)O
CACTVS 3.370OC[CH]1O[CH](O)[CH](O)[CH](O)[CH]1O
ACDLabs 12.01OC1C(O)C(OC(O)C1O)CO
OpenEye OEToolkits 1.7.2C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O)O)O)O)O
FormulaC6 H12 O6
Namebeta-D-galactopyranose;
beta-D-galactose;
D-galactose;
galactose
ChEMBLCHEMBL300520
DrugBank
ZINCZINC000002597049
PDB chain1zi5 Chain B Residue 2 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1zi5 Differential Recognition of the Type I and II H Antigen Acceptors by the Human ABO(H) Blood Group A and B Glycosyltransferases.
Resolution1.55 Å
Binding residue
(original residue number in PDB)
H233 F236 T245 W300 E303
Binding residue
(residue number reindexed from 1)
H152 F155 T164 W219 E222
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H233 L266 W300 E303 A343
Catalytic site (residue number reindexed from 1) H152 L185 W219 E222 A262
Enzyme Commision number 2.4.1.37: fucosylgalactoside 3-alpha-galactosyltransferase.
2.4.1.40: glycoprotein-fucosylgalactoside alpha-N-acetylgalactosaminyltransferase.
Gene Ontology
Molecular Function
GO:0016758 hexosyltransferase activity
Biological Process
GO:0005975 carbohydrate metabolic process
Cellular Component
GO:0016020 membrane

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Cellular Component
External links
PDB RCSB:1zi5, PDBe:1zi5, PDBj:1zi5
PDBsum1zi5
PubMed16326711
UniProtP16442|BGAT_HUMAN Histo-blood group ABO system transferase (Gene Name=ABO)

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