HAMAP

Accession	MF_01301
Dates	13-FEB-2002 (Created) 2-JUL-2010 (Last updated, Version 30)

Data class

Protein

Predictors

HAMAP; MF_01301; [distribution of match scores in UniProtKB];[seed alignment for MF_01301]

Names

LamB

Identifier

LAMB

Protein name

RecName: Full=Maltoporin; AltName: Full=Maltose-inducible porin; Flags: Precursor;

Gene name

lamB

FUNCTION: Involved in the transport of maltose and maltodextrins (By similarity).

SUBUNIT: Homotrimer formed of three 18-stranded antiparallel beta-barrels, containing three independent channels (By similarity).

SUBCELLULAR LOCATION: Cell outer membrane; Multi-pass membrane protein (By similarity).

INDUCTION: By maltose (Potential).

SIMILARITY: Belongs to the porin LamB (TC 1.B.3) family.

Pfam	PF02264; LamB; 1;
General	Signal; -; 1; trigger=Yes;

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

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

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

Size range:	398-452 amino acids
Related UniRules:	None
Template:	P02943 (LAMB_ECOLI); P26466 (LAMB_SALTY): [Recover all]
Scope:	Bacteria; Proteobacteria
Fusion:	Nter: None; Cter: None
Duplicate:	in AERS4, KLEP7, YERP3, YERPA, YERPE, YERPN, YERPP, YERPS
Plasmid encoded:	None