HAMAP rule MF_00078
General rule information
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Accession | MF_00078 |
Dates | 1-JUN-2001 (Created)
22-MAY-2024 (Last updated, Version 20) |
Name | PMDh_S |
Scope(s) |
Archaea |
Template(s) | Q9YA49 (Y2089_AERPE); Q8PWQ2 (Y1524_METMA); Q5JGJ7 (Y1248_THEKO); [ Recover all ] |
Triggered by |
HAMAP; MF_00078 (Get profile general information and statistics) |
Propagated annotation
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Identifier, protein and gene names
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Identifier | PMDHS |
Protein name | RecName: Full=Phosphomevalonate dehydratase small subunit; Short=PMDh small subunit; Short=PMDh-S; EC=4.2.1.182; |
Comments
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FUNCTION | Component of a hydro-lyase that catalyzes the dehydration of mevalonate 5-phosphate (MVA5P) to form trans-anhydromevalonate 5- phosphate (tAHMP). Involved in the archaeal mevalonate (MVA) pathway, which provides fundamental precursors for isoprenoid biosynthesis, such as isopentenyl diphosphate (IPP) and dimethylallyl diphosphate (DMAPP). |
CATALYTIC ACTIVITY | Reaction=(R)-5-phosphomevalonate = (2E)-3-methyl-5-phosphooxypent-2- enoate + H2O; Xref=Rhea:RHEA:78975, ChEBI:CHEBI:15377, ChEBI:CHEBI:58146, ChEBI:CHEBI:229665; EC=4.2.1.182; PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:78976; |
PATHWAY | Isoprenoid biosynthesis; isopentenyl diphosphate biosynthesis via mevalonate pathway. |
SUBUNIT | Heterodimer composed of a large subunit (PMDh-L) and a small subunit (PMDh-S). |
SIMILARITY | Belongs to the AcnX type II small subunit family. |
Keywords
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Gene Ontology
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GO:0016836; Molecular function:hydro-lyase activity |
GO:0019287; Biological process:isopentenyl diphosphate biosynthetic process, mevalonate pathway |
Cross-references
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Pfam | PF01989; AcnX_swivel_put; 1; |
PIRSF | PIRSF004966; UCP004966; 1; |
Features
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From: PMDHS_AERPE (Q9YA49) | ||||||||||||
Key | From | To | Description | Tag | Condition | FTGroup | ||||||
ACT_SITE | 58 | 58 | /note="Proton acceptor" | S |
Additional information
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Size range | 102-152 amino acids |
Related rules |
None |
Fusion | Nter: None Cter: None |