Structure of PDB 3sxg Chain A Binding Site BS02

Receptor Information
>3sxg Chain A (length=291) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
FMVSLPRMVYPQPKVLTPCRKDVLVVTPWLAPIVWEGTFNIDILNEQFRL
QNTTIGLTVFAIKKYVAFLKLFLETAEKHFMVGHRVHYYVFTDQPAAVPR
VTLGTGRQLSVLEVRAYKRWQDVSMRRMEMISCERRFLSEVDYLVCVDVD
MEFRDHVGVEILTPLFGTLHPGFYGSSREAFTYERRPQSQAYIPKDEGDF
YYLGGFFGGSVQEVQRLTRACHQAMMVDQANGIEAVWHDESHLNKYLLRH
KPTKVLSPEYLWDQQLLGWPAVLRKLRFTAVPKNHQAVRNP
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 chain3sxg Chain A Residue 2 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3sxg Sequence-dependent effects of cryoprotectants on the active sites of the human ABO(H) blood group A and B glycosyltransferases.
Resolution1.86 Å
Binding residue
(original residue number in PDB)		H233 F236 T245 W300 E303
Binding residue
(residue number reindexed from 1)		H170 F173 T182 W237 E240
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H233 L266 W300 E303 A343 R352
Catalytic site (residue number reindexed from 1) H170 L203 W237 E240 A280 R289
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:3sxg, PDBe:3sxg, PDBj:3sxg
PDBsum3sxg
PubMed22349229
UniProtP16442|BGAT_HUMAN Histo-blood group ABO system transferase (Gene Name=ABO)

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