Structure of PDB 3k02 Chain A Binding Site BS01

Receptor Information
>3k02 Chain A (length=388) Species: 1907 (Streptomyces glaucescens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ELSGTVTFWDTSNEAEKATYQALAEGFEKEHPKVDVKYVNVPFGEANAKF
KNAAGGNSGAPDVMRTEVAWVADFASIGYLAPLDGTPALDDGSDHLPQAA
ASTRYEGKTYAVPQVIDTLALFYNKELLTKAGVEVPGSVAELKTAAAEIT
EKTGATGLYLRGDDPYWFLPYLYGEGGDLVDEKNKTVTVDDEAGVRAYRV
IKDLVDSKAAITDASDGWNNMQNAFKSGKVAMMVNGPWAIEDVKAGARFK
DAGNLGVAPVPAGSAGQGSPQGGWNLSVYAGSKNLDASYAFVKYMSSAKV
QQQTTEKLSLLPTRTSVYEVPSVADNEMVKFFKPAVDKAVERPWIAEGNA
LFEPIRLQMANVLSGETSPDEAAANTGDAYRKLLKDYK
Ligand information
Ligand IDTXT
InChIInChI=1S/C31H55NO23/c1-7-13(32-9-2-8(3-33)14(37)17(40)15(9)38)16(39)22(45)29(49-7)53-26-11(5-35)51-31(23(46)19(26)42)55-27-12(6-36)52-30(24(47)20(27)43)54-25-10(4-34)50-28(48)21(44)18(25)41/h7-48H,2-6H2,1H3/t7-,8+,9+,10-,11-,12-,13-,14+,15-,16-,17-,18-,19-,20-,21-,22-,23-,24-,25-,26-,27-,28+,29-,30-,31-/m1/s1
InChIKeyIVFOOIPIJGLQPY-UHRLXRDBSA-N
SMILES
SoftwareSMILES
C[C@@H]1[C@H]([C@H]([C@H]([C@H](O1)O[C@@H]2[C@H](O[C@@H]([C@@H]([C@H]2O)O)O[C@@H]3[C@H](O[C@@H]([C@@H]([C@H]3O)O)O[C@@H]4[C@H](O[C@@H]([C@@H]([C@H]4O)O)O)CO)CO)CO)O)O)N[C@H]5CC([C@@H]([C@H]([C@@H]5O)O)O)CO
CACTVS 3.352C[CH]1O[CH](O[CH]2[CH](O)[CH](O)[CH](O[CH]2CO)O[CH]3[CH](O)[CH](O)[CH](O[CH]3CO)O[CH]4[CH](O)[CH](O)[CH](O)O[CH]4CO)[CH](O)[CH](O)[CH]1N[CH]5C[CH](CO)[CH](O)[CH](O)[CH]5O
C[C@H]1O[C@H](O[C@H]2[C@H](O)[C@@H](O)[C@H](O[C@@H]2CO)O[C@H]3[C@H](O)[C@@H](O)[C@H](O[C@@H]3CO)O[C@H]4[C@H](O)[C@@H](O)[C@@H](O)O[C@@H]4CO)[C@H](O)[C@H](O)[C@@H]1N[C@H]5C[C@@H](CO)[C@H](O)[C@@H](O)[C@@H]5O
ACDLabs 11.02O(C1C(OC(O)C(O)C1O)CO)C5OC(C(OC4OC(CO)C(OC3OC(C)C(NC2CC(CO)C(O)C(O)C2O)C(O)C3O)C(O)C4O)C(O)C5O)CO
OpenEye OEToolkits 1.7.0CC1C(C(C(C(O1)OC2C(OC(C(C2O)O)OC3C(OC(C(C3O)O)OC4C(OC(C(C4O)O)O)CO)CO)CO)O)O)NC5CC(C(C(C5O)O)O)CO
FormulaC31 H55 N O23
Name4,6-dideoxy-4-{[(1S,2R,3R,4S,5S)-2,3,4-trihydroxy-5-(hydroxymethyl)cyclohexyl]amino}-alpha-D-allopyranosyl-(1->4)-alpha-D-glucopyranosyl-(1->4)-alpha-D-glucopyranosyl-(1->4)-alpha-D-glucopyranose
ChEMBL
DrugBank
ZINCZINC000263620576
PDB chain3k02 Chain A Residue 405 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3k02 Crystal Structures of the Solute Receptor GacH of Streptomyces glaucescens in Complex with Acarbose and an Acarbose Homolog: Comparison with the Acarbose-Loaded Maltose-Binding Protein of Salmonella typhimurium.
Resolution1.55 Å
Binding residue
(original residue number in PDB)
T27 E32 F59 E83 W86 D133 D180 Y182 W183 W254 W290 R358 N365
Binding residue
(residue number reindexed from 1)
T11 E16 F43 E67 W70 D117 D164 Y166 W167 W238 W274 R342 N349
Annotation score1
Binding affinityMOAD: Kd=10uM
PDBbind-CN: -logKd/Ki=5.00,Kd=10.0uM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:1901982 maltose binding
Biological Process
GO:0015768 maltose transport
GO:0042956 maltodextrin transmembrane transport
Cellular Component
GO:0055052 ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:3k02, PDBe:3k02, PDBj:3k02
PDBsum3k02
PubMed20132828
UniProtB0B0V1

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