Structure of PDB 1af6 Chain A

Receptor sequence
>1af6A (length=421) Species: 562 (Escherichia coli) [Search protein sequence]
VDFHGYARSGIGWTGSGGEQQCFQTTGAQSKYRLGNECETYAELKLGQEV
WKEGDKSFYFDTNVAYSVAQQNDWEATDPAFREANVQGKNLIEWLPGSTI
WAGKRFYQRHDVHMIDFYYWDISGPGAGLENIDVGFGKLSLAATRSSEAG
GSSSFASNNIYDYTNETANDVFDVRLAQMEINPGGTLELGVDYGRANLRD
NYRLVDGASKDGWLFTAEHTQSVLKGFNKFVVQYATDSMTSQGKGLSQGS
GVAFDNEKFAYNINNNGHMLRILDHGAISMGDNWDMMYVGMYQDINWDND
NGTKWWTVGIRPMYKWTPIMSTVMEIGYDNVESQRTGDKNNQYKITLAQQ
WQAGDSIWSRPAIRVFATYAKWDEKWGYDYTGNADNNANFGKAVPADFNG
GSFGRGDSDEWTFGAQMEIWW
3D structure
PDB1af6 Channel specificity: structural basis for sugar discrimination and differential flux rates in maltoporin.
ChainA
Resolution2.4 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 GLC A R8 Y41 E43 R82 R109 D116 Y118 R8 Y41 E43 R82 R109 D116 Y118 PDBbind-CN: -logKd/Ki=1.82,Kd=15mM
BS02 FRU A R82 R109 Y118 D121 R82 R109 Y118 D121
Gene Ontology
Molecular Function
GO:0001618 virus receptor activity
GO:0005363 maltose transmembrane transporter activity
GO:0005515 protein binding
GO:0015144 carbohydrate transmembrane transporter activity
GO:0015288 porin activity
GO:0042958 maltodextrin transmembrane transporter activity
Biological Process
GO:0006811 monoatomic ion transport
GO:0006974 DNA damage response
GO:0015768 maltose transport
GO:0015774 polysaccharide transport
GO:0034219 carbohydrate transmembrane transport
GO:0042956 maltodextrin transmembrane transport
GO:0046718 symbiont entry into host cell
GO:1904981 maltose transmembrane transport
Cellular Component
GO:0009279 cell outer membrane
GO:0016020 membrane
GO:0046930 pore complex
GO:0106234 outer membrane protein complex

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Cellular Component
External links
PDB RCSB:1af6, PDBe:1af6, PDBj:1af6
PDBsum1af6
PubMed9299337
UniProtP02943|LAMB_ECOLI Maltoporin (Gene Name=lamB)

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