Structure of PDB 3puz Chain B

Receptor sequence
>3puzB (length=370) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
ASVQLQNVTKAWGEVVVSKDINLDIHEGEFVVFVGPSGCGKSTLLRMIAG
LETITSGDLFIGEKRMNDTPPAERGVGMVFQSYALYPHLSVAENMSFGLK
LAGAKKEVINQRVNQVAEVLQLAHLLDRKPKALSGGQRQRVAIGRTLVAE
PSVFLLDEPLSNLDAALRVQMRIEISRLHKRLGRTMIYVTHDQVEAMTLA
DKIVVLDAGRVAQVGKPLELYHYPADRFVAGFIGSPKMNFLPVKVTATAI
DQVQVELPMPNRQQVWLPVESRDVQVGANMSLGIRPEHLLPSDIADVILE
GEVQVVEQLGNETQIHIQIPSIRQNLVYRQNDVVLVEEGATFAIGLPPER
CHLFREDGTACRRLHKEPGV
3D structure
PDB3puz Crystal structure of the maltose transporter in a pretranslocation intermediate state.
ChainB
Resolution2.9 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 7.5.2.1: ABC-type maltose transporter.
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 MG B S43 Q82 S42 Q81
BS02 ANP B W13 V18 G39 G41 K42 S43 T44 W12 V17 G38 G40 K41 S42 T43
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
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Cellular Component
External links
PDB RCSB:3puz, PDBe:3puz, PDBj:3puz
PDBsum3puz
PubMed21566157
UniProtP68187|MALK_ECOLI Maltose/maltodextrin import ATP-binding protein MalK (Gene Name=malK)

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