HAMAP rule MF_01301
General rule information
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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 |
Propagated annotation
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Identifier, protein and gene names
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Identifier |
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Protein name |
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Gene name |
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Comments
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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
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Transport
Sugar transport
Membrane
Cell outer membrane
Transmembrane
Transmembrane beta strand
Ion transport
Porin
Signal
Sugar transport
Membrane
Cell outer membrane
Transmembrane
Transmembrane beta strand
Ion transport
Porin
Signal
Gene Ontology
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GO:0015288; Molecular function: porin activity.
GO:0015768; Biological process: maltose transport.
GO:0009279; Cellular component: cell outer membrane.
GO:0015768; Biological process: maltose transport.
GO:0009279; Cellular component: cell outer membrane.
Cross-references
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Pfam | PF02264; LamB; 1; |
Computed features
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General | Signal; -; 1; trigger=yes; |
Features
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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
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Size range | 398-452 amino acids |
Related rules | None |
Fusion | None |