Structure of PDB 1apb Chain A

Receptor sequence
>1apbA (length=305) Species: 562 (Escherichia coli) [Search protein sequence]
NLKLGFLVKQPEEPWFQTEWKFADKAGKDLGFEVIKIAVPDGEKTLNAID
SLAASGAKGFVICTPDPKLGSAIVAKARGYDMKVIAVDDQFVNAKGKPMD
TVPLVMMAATKIGERQGQELYKEMQKRGWDVKESAVMAITANELDTARRR
TTGSMDALKAAGFPEKQIYQVPTKSNDIPGAFDAANSMLVQHPEVKHWLI
VGMNDSTVLGGVRATEGQGFKAADIIGIGINGVDAVSELSKAQATGFYGS
LLGSPDVHGYKSSEMLYNWVAKDVEPPKFTEVTDVVLITRDNFKEELEKK
GLGGK
3D structure
PDB1apb A Pro to Gly mutation in the hinge of the arabinose-binding protein enhances binding and alters specificity. Sugar-binding and crystallographic studies.
ChainA
Resolution1.76 Å
3D
structure
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Enzymatic activity
Enzyme Commision number ?
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 FCA A K10 E14 W16 D90 R151 M204 N205 N232 K9 E13 W15 D89 R150 M203 N204 N231 MOAD: Kd=1.51uM
BS02 FCB A K10 E14 W16 D90 R151 N232 K9 E13 W15 D89 R150 N231 MOAD: Kd=1.51uM
PDBbind-CN: -logKd/Ki=5.82,Kd=1.51uM
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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Cellular Component
External links
PDB RCSB:1apb, PDBe:1apb, PDBj:1apb
PDBsum1apb
PubMed2204627
UniProtP02924|ARAF_ECOLI L-arabinose-binding periplasmic protein (Gene Name=araF)

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