Structure of PDB 4eea Chain A Binding Site BS01

Receptor Information
>4eea Chain A (length=273) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SLPACPEESPLLVGPMLIEFNMPVDLELVAKQNPNVKMGGRYAPRDCVSP
HKVAIIIPFRNRQEHLKYWLYYLHPVLQRQQLDYGIYVINQAGDTIFNRA
KLLNVGFQEALKDYDYTCFVFSDVDLIPMNDHNAYRCFSQPRHISVAMDK
FGFSLPYVQYFGGVSALSKQQFLTINGFPNNYWGWGGEDDDIFNRLVFRG
MSISRPNAVVGTTRHIRHSRDKKNEPNPQRFDRIAHTKETMLSDGLNSLT
YQVLDVQRYPLYTQITVDIGTPS
Ligand information
Ligand IDUDP
InChIInChI=1S/C9H14N2O12P2/c12-5-1-2-11(9(15)10-5)8-7(14)6(13)4(22-8)3-21-25(19,20)23-24(16,17)18/h1-2,4,6-8,13-14H,3H2,(H,19,20)(H,10,12,15)(H2,16,17,18)/t4-,6-,7-,8-/m1/s1
InChIKeyXCCTYIAWTASOJW-XVFCMESISA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.0C1=CN(C(=O)NC1=O)[C@H]2[C@@H]([C@@H]([C@H](O2)CO[P@@](=O)(O)OP(=O)(O)O)O)O
CACTVS 3.370O[CH]1[CH](O)[CH](O[CH]1CO[P](O)(=O)O[P](O)(O)=O)N2C=CC(=O)NC2=O
CACTVS 3.370O[C@H]1[C@@H](O)[C@@H](O[C@@H]1CO[P](O)(=O)O[P](O)(O)=O)N2C=CC(=O)NC2=O
OpenEye OEToolkits 1.7.0C1=CN(C(=O)NC1=O)C2C(C(C(O2)COP(=O)(O)OP(=O)(O)O)O)O
ACDLabs 12.01O=P(O)(O)OP(=O)(O)OCC2OC(N1C(=O)NC(=O)C=C1)C(O)C2O
FormulaC9 H14 N2 O12 P2
NameURIDINE-5'-DIPHOSPHATE
ChEMBLCHEMBL130266
DrugBankDB03435
ZINCZINC000004490939
PDB chain4eea Chain A Residue 404 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4eea Binding of N-acetylglucosamine (GlcNAc) beta 1-6-branched oligosaccharide acceptors to beta 4-galactosyltransferase I reveals a new ligand binding mode.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		P183 F184 R185 R187 F222 D248 V249 D250 H340 H343 D346
Binding residue
(residue number reindexed from 1)		P58 F59 R60 R62 F97 D123 V124 D125 H215 H218 D221
Annotation score3
Enzymatic activity
Catalytic site (original residue number in PDB) D248 D250 W310 E313 D314 H340 H343 R345
Catalytic site (residue number reindexed from 1) D123 D125 W185 E188 D189 H215 H218 R220
Enzyme Commision number 2.4.1.-
2.4.1.22: lactose synthase.
2.4.1.275: neolactotriaosylceramide beta-1,4-galactosyltransferase.
2.4.1.38: beta-N-acetylglucosaminylglycopeptide beta-1,4-galactosyltransferase.
2.4.1.90: N-acetyllactosamine synthase.
Gene Ontology
Molecular Function
GO:0016757 glycosyltransferase activity
Biological Process
GO:0005975 carbohydrate metabolic process

View graph for
Molecular Function
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Biological Process
External links
PDB RCSB:4eea, PDBe:4eea, PDBj:4eea
PDBsum4eea
PubMed22740701
UniProtP15291|B4GT1_HUMAN Beta-1,4-galactosyltransferase 1 (Gene Name=B4GALT1)

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