Cloned (Comment) | Organism |
---|---|
the enzyme is overexpressed under the control of a constitutive Histoplasma capsulatum-native promoter | Histoplasma capsulatum |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.75 | - |
5-L-glutamyl-4-nitroanilide | hydrolysis | Histoplasma capsulatum | |
0.84 | - |
5-L-glutamyl-4-nitroanilide | reaction in the presence of 20 mM glycylglycine | Histoplasma capsulatum |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
37000 | - |
x * 37000 + x * 50000, SDS-PAGE | Histoplasma capsulatum |
50000 | - |
x * 37000 + x * 50000, SDS-PAGE | Histoplasma capsulatum |
320000 | - |
gel filtration | Histoplasma capsulatum |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
glutathione + amino acid | Histoplasma capsulatum | Ggt1 initiates enzymatic breakdown of GSH by cleavage of the gamma-glutamyl bond and release of cysteinylglycine. Second, the thiol group of the released dipeptide reduces ferric to ferrous iron. A combination of kinetic properties of both reactions results in efficient iron reduction over a broad pH range | L-cysteinylglycine + 5-L-glutamyl-amino acid | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Histoplasma capsulatum | - |
- |
- |
Posttranslational Modification | Comment | Organism |
---|---|---|
glycoprotein | Ggt1 occurrs as a very large glycoprotein complex | Histoplasma capsulatum |
Purification (Comment) | Organism |
---|---|
- |
Histoplasma capsulatum |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
5-L-glutamyl-4-nitroanilide + Gly-Gly | - |
Histoplasma capsulatum | 4-nitroaniline + 5-L-glutamyl-Gly-Gly | - |
? | |
5-L-glutamyl-4-nitroanilide + H2O | - |
Histoplasma capsulatum | L-glutamate + 4-nitroaniline | - |
? | |
glutathione + amino acid | Ggt1 initiates enzymatic breakdown of GSH by cleavage of the gamma-glutamyl bond and release of cysteinylglycine. Second, the thiol group of the released dipeptide reduces ferric to ferrous iron. A combination of kinetic properties of both reactions results in efficient iron reduction over a broad pH range | Histoplasma capsulatum | L-cysteinylglycine + 5-L-glutamyl-amino acid | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 37000 + x * 50000, SDS-PAGE | Histoplasma capsulatum |
Synonyms | Comment | Organism |
---|---|---|
GGT1 | - |
Histoplasma capsulatum |
Organism | Comment | pI Value Maximum | pI Value |
---|---|---|---|
Histoplasma capsulatum | chromatofocusing | - |
4.8 |