Structure of PDB 2ceq Chain A Binding Site BS01

Receptor Information
>2ceq Chain A (length=489) Species: 2287 (Saccharolobus solfataricus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MYSFPNSFRFGWSQAGFQSEMGTPGSEDPNTDWYKWVHDPENMAAGLVSG
DLPENGPGYWGNYKTFHDNAQKMGLKIARLNVEWSRIFPNPLPRPQNFDE
SKQDVTEVEINENELKRLDEYANKDALNHYREIFKDLKSRGLYFILNMYH
WPLPLWLHDPIRVRRGDFTGPSGWLSTRTVYEFARFSAYIAWKFDDLVDE
YSTMNEPNVVGGLGYVGVKSGFPPGYLSFELSRRAMYNIIQAHARAYDGI
KSVSKKPVGIIYANSSFQPLTDKDMEAVEMAENDNRWWFFDAIIRGEITR
GNEKIVRDDLKGRLDWIGVNYYTRTVVKRTEKGYVSLGGYGHGCERNSVS
LAGLPTSDFGWEFFPEGLYDVLTKYWNRYHLYMYVTENGIADDADYQRPY
YLVSHVYQVHRAINSGADVRGYLHWSLADNYEWASGFSMRFGLLKVDYNT
KRLYWRPSALVYREIATNGAITDEIEHLNSVPPVKPLRH
Ligand information
Ligand IDGIM
InChIInChI=1S/C8H12N2O4/c11-3-4-5(12)6(13)7(14)8-9-1-2-10(4)8/h1-2,4-7,11-14H,3H2/p+1/t4-,5-,6+,7-/m1/s1
InChIKeyRZRDQZQPTISYKY-MVIOUDGNSA-O
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1c[n+]2c([nH]1)C(C(C(C2CO)O)O)O
ACDLabs 10.04OCC2[n+]1ccnc1C(O)C(O)C2O
CACTVS 3.341OC[CH]1[CH](O)[CH](O)[CH](O)c2[nH]cc[n+]12
OpenEye OEToolkits 1.5.0c1c[n+]2c([nH]1)[C@@H]([C@H]([C@@H]([C@H]2CO)O)O)O
CACTVS 3.341OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)c2[nH]cc[n+]12
FormulaC8 H13 N2 O4
NameGLUCOIMIDAZOLE;
(5S,6S,7R,8R)-5-(HYDROXYMETHYL)-1,5,6,7,8,8A-HEXAHYDROIMIDAZO[1,2-A]PYRIDINE-6,7,8-TRIOL
ChEMBL
DrugBank
ZINCZINC000103543099
PDB chain2ceq Chain A Residue 1492 [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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PDB2ceq Structural, Kinetic, and Thermodynamic Analysis of Glucoimidazole-Derived Glycosidase Inhibitors.
Resolution2.14 Å
Binding residue
(original residue number in PDB)
Q18 H150 W151 E206 Y322 E387 W425 E432 W433 F441
Binding residue
(residue number reindexed from 1)
Q18 H150 W151 E206 Y322 E387 W425 E432 W433 F441
Annotation score1
Binding affinityMOAD: Ki=53nM
PDBbind-CN: -logKd/Ki=7.28,Ki=53nM
Enzymatic activity
Catalytic site (original residue number in PDB) R79 H150 E206 V209 N320 Y322 E387
Catalytic site (residue number reindexed from 1) R79 H150 E206 V209 N320 Y322 E387
Enzyme Commision number 3.2.1.23: beta-galactosidase.
Gene Ontology
Molecular Function
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
GO:0004565 beta-galactosidase activity
GO:0008422 beta-glucosidase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
Biological Process
GO:0005975 carbohydrate metabolic process

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Molecular Function

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Biological Process
External links
PDB RCSB:2ceq, PDBe:2ceq, PDBj:2ceq
PDBsum2ceq
PubMed17002288
UniProtP22498|BGAL_SACS2 Beta-galactosidase (Gene Name=lacS)

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