Structure of PDB 4frb Chain A Binding Site BS02

Receptor Information
>4frb Chain A (length=282) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
FMVSLPRMVYPQPKVLTPCRKDVLVVTPWLAPIVWEGTFNIDILNEQFRL
QNTTIGLTVFAIKKYVAFLKLFLETAEKHFMVGHRVHYYVFTDQPAAVPR
VTLGTGRQLSVLEVRAYKQDVSMRRMEMISCERRFLSEVDYLVCVDVDME
FRDHVGVEILTPLFGTLHPSFYGSSREAFTYERRPQSQAYIPKDEGDFYY
MGGFFGGSVQEVQRLTRACHQAMMVDQANGIEAVWHDESHLNKYLLRHKP
TKVLSPEYLWDQQLLGWPAVLRKLRFTAVPKN
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 chain4frb Chain A Residue 402 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4frb pH-induced conformational changes in human ABO(H) blood group glycosyltransferases confirm the importance of electrostatic interactions in the formation of the semi-closed state.
Resolution1.54 Å
Binding residue
(original residue number in PDB)		H233 F236 T245 W300 E303
Binding residue
(residue number reindexed from 1)		H168 F171 T180 W235 E238
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H233 M266 W300 E303 A343
Catalytic site (residue number reindexed from 1) H168 M201 W235 E238 A278
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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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4frb, PDBe:4frb, PDBj:4frb
PDBsum4frb
PubMed24265507
UniProtP16442|BGAT_HUMAN Histo-blood group ABO system transferase (Gene Name=ABO)

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