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Annotation rule MF_01301
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General rule information [?]

Accession MF_01301
Dates 13-FEB-2002 (Created)
19-NOV-2019 (Last updated, Version 33)
Name LamB
Scope
Bacteria; Proteobacteria
Templates P02943 (LAMB_ECOLI); P26466 (LAMB_SALTY): [Recover all]
Triggered by

Propagated annotation [?]


Identifier, protein and gene names [?]

Identifier
LAMB
Protein name
RecName: Full=Maltoporin;
AltName: Full=Maltose-inducible porin;
Flags: Precursor;
Gene name
lamB

Comments [?]

Function Involved in the transport of maltose and maltodextrins.
Subunit Homotrimer formed of three 18-stranded antiparallel beta-barrels, containing three independent channels.
Subcellular location Cell outer membrane; Multi-pass membrane protein.
Induction By maltose.
Similarity Belongs to the porin LamB (TC 1.B.3) family.

Keywords [?]

Transport
Sugar transport
Membrane
Cell outer membrane
Transmembrane
Transmembrane beta strand
Ion transport
Porin
Signal

Gene Ontology [?]

GO:0015288; Molecular function: porin activity.
GO:0015768; Biological process: maltose transport.
GO:0009279; Cellular component: cell outer membrane.

Cross-references [?]

Pfam PF02264; LamB; 1;

Computed features [?]

General Signal; -; 1; trigger=yes;

Features [?]

From: LAMB_ECOLI (P02943)
Key     From     To       Description   Tag   Condition   FTGroup
SITE     31     31       Greasy slide, important in sugar transport     Y  
SITE     66     66       Greasy slide, important in sugar transport     Y  
SITE     99     99       Greasy slide, important in sugar transport     W  
SITE     143     143       Important in sugar transport     Y  
SITE     252     252       Greasy slide, important in sugar transport     [YF]  
SITE     383     383       Greasy slide, important in sugar transport     W  
SITE     445     445       Greasy slide, important in sugar transport     W  

Additional information [?]

Size range 398-452 amino acids
Related rules None
Fusion None


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