Structure of PDB 3puw Chain A Binding Site BS01

Receptor Information
>3puw Chain A (length=371) Species: 83333 (Escherichia coli K-12) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ASVQLQNVTKAWGEVVVSKDINLDIHEGEFVVFVGPSGCGKSTLLRMIAG
LETITSGDLFIGEKRMNDTPPAERGVGMVFQSYALYPHLSVAENMSFGLK
LAGAKKEVINQRVNQVAEVLQLAHLLDRKPKALSGGQRQRVAIGRTLVAE
PSVFLLDEPLSNLDAALRVQMRIEISRLHKRLGRTMIYVTHDQVEAMTLA
DKIVVLDAGRVAQVGKPLELYHYPADRFVAGFIGSPKMNFLPVKVTATAI
DQVQVELPMPNRQQVWLPVESRDVQVGANMSLGIRPEHLLPSDIADVILE
GEVQVVEQLGNETQIHIQIPSIRQNLVYRQNDVVLVEEGATFAIGLPPER
CHLFREDGTACRRLHKEPGVA
Ligand information
Ligand IDMG
InChIInChI=1S/Mg/q+2
InChIKeyJLVVSXFLKOJNIY-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Mg+2]
CACTVS 3.341[Mg++]
FormulaMg
NameMAGNESIUM ION
ChEMBL
DrugBankDB01378
ZINC
PDB chain3puw Chain A Residue 1501 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3puw Snapshots of the maltose transporter during ATP hydrolysis.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		S43 Q82
Binding residue
(residue number reindexed from 1)		S42 Q81
Annotation score1
Enzymatic activity
Enzyme Commision number 7.5.2.1: ABC-type maltose transporter.
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0015423 ABC-type maltose transporter activity
GO:0016887 ATP hydrolysis activity
GO:0022857 transmembrane transporter activity
GO:0140297 DNA-binding transcription factor binding
GO:0140359 ABC-type transporter activity
Biological Process
GO:0008643 carbohydrate transport
GO:0015768 maltose transport
GO:0034763 negative regulation of transmembrane transport
GO:0042956 maltodextrin transmembrane transport
GO:0055085 transmembrane transport
GO:1902344 negative regulation of maltose transport
GO:1904981 maltose transmembrane transport
Cellular Component
GO:0005886 plasma membrane
GO:0016020 membrane
GO:0032991 protein-containing complex
GO:0043190 ATP-binding cassette (ABC) transporter complex
GO:0055052 ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing
GO:1990060 maltose transport complex
GO:1990154 enzyme IIA-maltose transporter complex

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:3puw, PDBe:3puw, PDBj:3puw
PDBsum3puw
PubMed21825153
UniProtP68187|MALK_ECOLI Maltose/maltodextrin import ATP-binding protein MalK (Gene Name=malK)

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