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Annotation rule MF_01442 |
Accession | MF_01442 |
Dates | 18-JUN-2007 (Created) 20-MAR-2020 (Last updated, Version 12) |
Name | Coproheme_decarbox_1 |
Scope | Bacteria; Terrabacteria group |
Templates | Q8Y5F1 (CHDC_LISMO); P39645 (CHDC_BACSU); Q2G0J1 (CHDC_STAA8); A6QEP0 (CHDC_STAAE); Q5SHL6 (CHDC_THET8); A0A0K2H9D8 (CHDC_GEOS3): [Recover all] |
Triggered by |
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Protein name |
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Gene name |
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Function | Involved in coproporphyrin-dependent heme b biosynthesis. Catalyzes the decarboxylation of Fe-coproporphyrin III (coproheme) to heme b (protoheme IX), the last step of the pathway. The reaction occurs in a stepwise manner with a three-propionate intermediate. |
Catalytic activity | RHEA:56516: Fe-coproporphyrin III + 2 H(+) + 2 H2O2 = 2 CO2 + 4 H2O + heme b
EC 1.3.98.5 PhysiologicalDirection=left-to-right (RHEA:56517) |
RHEA:57940: Fe-coproporphyrin III + H(+) + H2O2 = CO2 + 2 H2O + harderoheme III
PhysiologicalDirection=left-to-right (RHEA:57941) |
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RHEA:57944: H(+) + H2O2 + harderoheme III = CO2 + 2 H2O + heme b
PhysiologicalDirection=left-to-right (RHEA:57945) |
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Cofactor | Fe-coproporphyrin III Note: Fe-coproporphyrin III acts as both substrate and redox cofactor; |
Pathway | Porphyrin-containing compound metabolism; protoheme biosynthesis. |
Similarity | Belongs to the ChdC family. Type 1 subfamily. |
Pfam | PF06778; Chlor_dismutase; 1; |
From: CHDC_LISMO (Q8Y5F1) | ||||||||||||
Key | From | To | Description | Tag | Condition | FTGroup | ||||||
REGION (Optional) | 147 | 151 | Fe-coproporphyrin III binding | Y-P-M-x-[KR] | ||||||||
ACT_SITE | 147 | 147 | Y | |||||||||
METAL | 174 | 174 | Iron (Fe-coproporphyrin III axial ligand) | H | ||||||||
BINDING (Optional) | 133 | 133 | Fe-coproporphyrin III | R | ||||||||
BINDING (Optional) | 187 | 187 | Fe-coproporphyrin III | Q | ||||||||
BINDING (Optional) | 225 | 225 | Fe-coproporphyrin III | S |
Size range | 220-290 amino acids |
Related rules | None |
Fusion | None |