HAMAP rule MF_01301

General rule information [?]

Accession	MF_01301
Dates	13-FEB-2002 (Created) 26-JAN-2023 (Last updated, Version 35)

Name

LamB

Scope

Bacteria; Pseudomonadota

Templates

P02943 (LAMB_ECOLI); P26466 (LAMB_SALTY): [Recover all]

Triggered by

HAMAP; MF_01301 (Get profile general information and statistics)

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.
Catalytic activity	RHEA:29731: beta-maltose(in) = beta-maltose(out)
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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