Structure of PDB 8abp Chain A Binding Site BS01

Receptor Information
>8abp Chain A (length=305) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NLKLGFLVKQPEEPWFQTEWKFADKAGKDLGFEVIKIAVPDGEKTLNAID
SLAASGAKGFVICTPDPKLGSAIVAKARGYDMKVIAVDDQFVNAKGKPMD
TVPLVMLAATKIGERQGQELYKEMQKRGWDVKESAVMAITANELDTARRR
TTGSMDALKAAGFPEKQIYQVPTKSNDIPGAFDAANSMLVQHPEVKHWLI
VGMNDSTVLGGVRATEGQGFKAADIIGIGINGVDAVSELSKAQATGFYGS
LLPSPDVHGYKSSEMLYNWVAKDVEPPKFTEVTDVVLITRDNFKEELEKK
GLGGK
Ligand information
Ligand IDGLA
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-PHYPRBDBSA-N
SMILES
SoftwareSMILES
CACTVS 3.341OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@H]1O
OpenEye OEToolkits 1.5.0C(C1C(C(C(C(O1)O)O)O)O)O
OpenEye OEToolkits 1.5.0C([C@@H]1[C@@H]([C@@H]([C@H]([C@H](O1)O)O)O)O)O
CACTVS 3.341OC[CH]1O[CH](O)[CH](O)[CH](O)[CH]1O
ACDLabs 10.04OC1C(O)C(OC(O)C1O)CO
FormulaC6 H12 O6
Namealpha-D-galactopyranose;
alpha-D-galactose;
D-galactose;
galactose;
ALPHA D-GALACTOSE
ChEMBLCHEMBL1233058
DrugBank
ZINCZINC000000901155
PDB chain8abp Chain A Residue 307 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB8abp Sugar-binding and crystallographic studies of an arabinose-binding protein mutant (Met108Leu) that exhibits enhanced affinity and altered specificity.
Resolution1.49 Å
Binding residue
(original residue number in PDB)		K10 E14 W16 D89 D90 L108 R151 M204 N232
Binding residue
(residue number reindexed from 1)		K9 E13 W15 D88 D89 L107 R150 M203 N231
Annotation score4
Binding affinityMOAD: Kd=0.01uM
PDBbind-CN: -logKd/Ki=8.00,Kd=0.010uM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0015407 ABC-type monosaccharide transporter activity
GO:0030246 carbohydrate binding
GO:0048029 monosaccharide binding
Biological Process
GO:0042882 L-arabinose transmembrane transport
Cellular Component
GO:0016020 membrane
GO:0030288 outer membrane-bounded periplasmic space
GO:0042597 periplasmic space
GO:0055052 ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:8abp, PDBe:8abp, PDBj:8abp
PDBsum8abp
PubMed2069949
UniProtP02924|ARAF_ECOLI L-arabinose-binding periplasmic protein (Gene Name=araF)

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