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Annotation rule MF_00943 |
Accession | MF_00943 |
Dates | 13-FEB-2013 (Created) 19-NOV-2019 (Last updated, Version 5) |
Name | Maleate_isomerase |
Scope | Bacteria |
Templates | Q5YXQ1 (MAIA_NOCFA); O24766 (MAIA_ALCFA); Q9WX57 (MAIA_GEOSE); Q88FY4 (MAIA_PSEPK): [Recover all] |
Triggered by |
Identifier |
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Protein name |
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Gene name |
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Function | Catalyzes cis-trans isomerization of the C2-C3 double bond in maleate to yield fumarate. |
Catalytic activity | RHEA:13169: maleate = fumarate
EC 5.2.1.1 |
Subunit | Homodimer. |
Miscellaneous | Reaction is initiated by nucleophilic attack of cysteine at the double bond, yielding a covalent succinylcysteine-like intermediate. |
Similarity | Belongs to the maleate isomerase family. |
Pfam | PF17645; Amdase; 1; |
PIRSF | PIRSF015736; MI; 1; |
From: MAIA_NOCFA (Q5YXQ1) | ||||||||||||
Key | From | To | Description | Tag | Condition | FTGroup | ||||||
REGION | 76 | 78 | Substrate binding | C-x-V | ||||||||
REGION | 195 | 196 | Substrate binding | V-Q | ||||||||
ACT_SITE | 76 | 76 | Nucleophile | C | ||||||||
ACT_SITE | 194 | 194 | Proton donor | C | ||||||||
BINDING | 14 | 14 | Substrate | N | ||||||||
BINDING | 133 | 133 | Substrate | Y | ||||||||
BINDING | 163 | 163 | Substrate | N | ||||||||
MOD_RES | 76 | 76 | S-(2-succinyl)cysteine | C |
Size range | 233-282 amino acids |
Related rules | None |
Fusion | None |