Structure of PDB 1kws Chain B Binding Site BS01

Receptor Information
>1kws Chain B (length=245) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MTIYVVTPTYARLVQKAELVRLSQTLSLVPRLHWLLVEDAEGPTPLVSGL
LAASGLLFTHLVVLTPHPRGVEQRNKALDWLRGRGGAVGGEKDPPPPGTQ
GVVYFADDDNTYSRELFEEMRWTRGVSVWPVGLVGGLRFEGPQVQDGRVV
GFHTAWERPFPVDMAGFAVALPLLLDKPNAQFDSTAPGHLESSLLSHLVD
PKDLEPRAANCTRVLVWHTRTEKPKMKQEEQLQRQGRGSDPAIEV
Ligand information
Ligand IDUGA
InChIInChI=1S/C15H22N2O18P2/c18-5-1-2-17(15(26)16-5)12-9(22)6(19)4(32-12)3-31-36(27,28)35-37(29,30)34-14-10(23)7(20)8(21)11(33-14)13(24)25/h1-2,4,6-12,14,19-23H,3H2,(H,24,25)(H,27,28)(H,29,30)(H,16,18,26)/t4-,6-,7+,8+,9-,10-,11+,12-,14-/m1/s1
InChIKeyHDYANYHVCAPMJV-LXQIFKJMSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(O)C3OC(OP(=O)(O)OP(=O)(O)OCC2OC(N1C(=O)NC(=O)C=C1)C(O)C2O)C(O)C(O)C3O
CACTVS 3.341O[CH]1[CH](O)[CH](O[CH]([CH]1O)C(O)=O)O[P](O)(=O)O[P](O)(=O)OC[CH]2O[CH]([CH](O)[CH]2O)N3C=CC(=O)NC3=O
OpenEye OEToolkits 1.5.0C1=CN(C(=O)NC1=O)[C@H]2[C@@H]([C@@H]([C@H](O2)CO[P@@](=O)(O)O[P@@](=O)(O)O[C@@H]3[C@@H]([C@H]([C@@H]([C@H](O3)C(=O)O)O)O)O)O)O
CACTVS 3.341O[C@@H]1[C@@H](O)[C@H](O[C@@H]([C@H]1O)C(O)=O)O[P@@](O)(=O)O[P@@](O)(=O)OC[C@H]2O[C@H]([C@H](O)[C@@H]2O)N3C=CC(=O)NC3=O
OpenEye OEToolkits 1.5.0C1=CN(C(=O)NC1=O)C2C(C(C(O2)COP(=O)(O)OP(=O)(O)OC3C(C(C(C(O3)C(=O)O)O)O)O)O)O
FormulaC15 H22 N2 O18 P2
NameURIDINE-5'-DIPHOSPHATE-GLUCURONIC ACID;
UDP-GLUCURONIC ACID
ChEMBLCHEMBL228057
DrugBankDB03041
ZINCZINC000008215691
PDB chain1kws Chain B Residue 405 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1kws Crystal structure of beta 1,3-glucuronyltransferase I in complex with active donor substrate UDP-GlcUA.
Resolution2.1 Å
Binding residue
(original residue number in PDB)		P82 Y84 D113 P155 R156 R161 D194 D195 D196 D252 M253 L280 H308 R310
Binding residue
(residue number reindexed from 1)		P8 Y10 D39 P68 R69 R74 D107 D108 D109 D163 M164 L190 H218 R220
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) D196 E281
Catalytic site (residue number reindexed from 1) D109 E191
Enzyme Commision number 2.4.1.135: galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase.
Gene Ontology
Molecular Function
GO:0015018 galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase activity
Cellular Component
GO:0016020 membrane

View graph for
Molecular Function
View graph for
Cellular Component
External links
PDB RCSB:1kws, PDBe:1kws, PDBj:1kws
PDBsum1kws
PubMed11950836
UniProtO94766|B3GA3_HUMAN Galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase 3 (Gene Name=B3GAT3)

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