Cloned (Comment) | Organism |
---|---|
expressed in Escherichia coli Rosetta 2 (DE3) cells | Synechocystis sp. |
Protein Variants | Comment | Organism |
---|---|---|
FeChDELTA347 | removal of the C-terminal CAB-domain led to a greatly increased turnover number, kcat, compared to the full length protein | Synechocystis sp. |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
additional information | the presence of pigments results in lower enzyme activity | Synechocystis sp. |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.00022 | - |
protoporphyrin IX | wild type enzyme, with Zn2+ as cosubstrate, at pH 8.0 and 30°C | Synechocystis sp. | |
0.0003 | - |
protoporphyrin IX | mutant enzyme FeChDELTA347, with Zn2+ as cosubstrate, at pH 8.0 and 30°C | Synechocystis sp. | |
0.000488 | - |
Zn2+ | wild type enzyme, at pH 8.0 and 30°C | Synechocystis sp. | |
0.000836 | - |
Zn2+ | mutant enzyme FeChDELTA347, at pH 8.0 and 30°C | Synechocystis sp. |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
protoporphyrin IX + Fe2+ | Synechocystis sp. | - |
protoheme IX + 2 H+ | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Synechocystis sp. | P54225 | - |
- |
Purification (Comment) | Organism |
---|---|
Ni-IMAC column chromatography and Sephacryl S-300 gel filtration | Synechocystis sp. |
Renatured (Comment) | Organism |
---|---|
using 50 mM Tris pH 8, 3 M guanidinium hydrochloride, 0.1 M NaCl and 0.1 mM Tris (2-carboxyethyl) phosphine | Synechocystis sp. |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
protoporphyrin IX + Fe2+ | - |
Synechocystis sp. | protoheme IX + 2 H+ | - |
? | |
protoporphyrin IX + Zn2+ | - |
Synechocystis sp. | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | - |
Synechocystis sp. |
Synonyms | Comment | Organism |
---|---|---|
FeCH | - |
Synechocystis sp. |
protohaem ferrolyase | - |
Synechocystis sp. |
type II ferrochelatase | - |
Synechocystis sp. |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
- |
Synechocystis sp. |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.034 | - |
Zn2+ | wild type enzyme, at pH 8.0 and 30°C | Synechocystis sp. | |
0.049 | - |
Zn2+ | mutant enzyme FeChDELTA347, at pH 8.0 and 30°C | Synechocystis sp. | |
0.052 | - |
protoporphyrin IX | wild type enzyme, with Zn2+ as cosubstrate, at pH 8.0 and 30°C | Synechocystis sp. | |
0.073 | - |
protoporphyrin IX | mutant enzyme FeChDELTA347, with Zn2+ as cosubstrate, at pH 8.0 and 30°C | Synechocystis sp. |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
9 | - |
- |
Synechocystis sp. |
General Information | Comment | Organism |
---|---|---|
metabolism | ferrochelatase is the key enzyme in the heme biosynthesis pathway | Synechocystis sp. |