HAMAP rule MF_00994
General rule information
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| PURL | https://purl.expasy.org/hamap/rule/MF_00994 |
| Accession | MF_00994 |
| Dates | 14-FEB-2014 (Created)
26-JAN-2023 (Last updated, Version 9) |
| Name | LPS_assembly_LapB |
| Scope(s) |
Bacteria Pseudomonadota |
| Template(s) | P0AB58; [ Recover all ] |
| Triggered by |
HAMAP; MF_00994 (Get profile general information and statistics) |
Propagated annotation
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Identifier, protein and gene names
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| Identifier | LAPB |
| Protein name | RecName: Full=Lipopolysaccharide assembly protein B; |
| Gene name | Name=lapB; |
Comments
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| FUNCTION | Modulates cellular lipopolysaccharide (LPS) levels by regulating LpxC, which is involved in lipid A biosynthesis. May act by modulating the proteolytic activity of FtsH towards LpxC. May also coordinate assembly of proteins involved in LPS synthesis at the plasma membrane. |
| SUBCELLULAR LOCATION | Cell inner membrane; Single-pass membrane protein; Cytoplasmic side. |
| SIMILARITY | Belongs to the LapB family. |
Keywords
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| Cell inner membrane | |
| Cell membrane | |
| Membrane | |
| Repeat | |
| TPR repeat | |
| Transmembrane | |
| Transmembrane helix | |
| case <FTGroup:1> | |
| Iron | |
| Metal-binding | |
| end case | |
Gene Ontology
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| case <FTGroup:1> | |
| GO:0005506; Molecular function:iron ion binding | |
| end case | |
| GO:0046890; Biological process:regulation of lipid biosynthetic process | |
| GO:0009898; Cellular component:cytoplasmic side of plasma membrane | |
Cross-references
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| PROSITE | PS50005; TPR; 1; |
| PROSITE | PS50293; TPR_REGION; 1; |
| Pfam | PF07719; TPR_2; 1; |
| Pfam | PF13176; TPR_7; 1; |
| Pfam | PF00515; TPR_1; 1; |
| REP | Repeat_TPR; TPR; 2-7; |
Features
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| From: LAPB_ECOLI (P0AB58) | ||||||||||||
| Key | From | To | Description | Tag | Condition | FTGroup | ||||||
| TRANSMEM | 1 | 20 | /note="Helical" | |||||||||
| TOPO_DOM | 21 | Cter | /note="Cytoplasmic" | |||||||||
| BINDING | 357 | 357 | /ligand="Fe cation" /ligand_id="ChEBI:CHEBI:24875" |
C | 1 | |||||||
| BINDING | 360 | 360 | /ligand="Fe cation" /ligand_id="ChEBI:CHEBI:24875" |
C | 1 | |||||||
| BINDING | 371 | 371 | /ligand="Fe cation" /ligand_id="ChEBI:CHEBI:24875" |
C | 1 | |||||||
| BINDING | 374 | 374 | /ligand="Fe cation" /ligand_id="ChEBI:CHEBI:24875" |
C | 1 | |||||||
Additional information
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| Size range | 350-430 amino acids |
| Related rules |
None |
| Fusion | Nter: None Cter: None |