Literature summary extracted from
Trip, H.; Mulder, N.L.; Rattray, F.P.; Lolkema, J.S.
HdcB, a novel enzyme catalysing maturation of pyruvoyl-dependent histidine decarboxylase (2011), Mol. Microbiol., 79, 861-871.
Activating Compound
EC Number |
Activating Compound |
Comment |
Organism |
Structure |
---|
4.1.1.22 |
HdcB |
HdcB catalyses the maturation of pyruvoyl-dependent histidine decarboxylase by cleavage of the proenzyme which results in the formation of the pyruvoyl prosthetic group |
Streptococcus thermophilus |
|
Cloned(Commentary)
EC Number |
Cloned (Comment) |
Organism |
---|
4.1.1.22 |
expressed in Lactococcus lactis strain NZ9000 and Escherichia coli DH5alpha cells |
Streptococcus thermophilus |
Protein Variants
EC Number |
Protein Variants |
Comment |
Organism |
---|
4.1.1.22 |
S82A |
the HdcA mutant mimics the proenzyme |
Streptococcus thermophilus |
Molecular Weight [Da]
EC Number |
Molecular Weight [Da] |
Molecular Weight Maximum [Da] |
Comment |
Organism |
---|
4.1.1.22 |
12000 |
- |
1 * 24000 + 1 * 12000, mature enzyme, SDS-PAGE |
Streptococcus thermophilus |
4.1.1.22 |
24000 |
- |
1 * 24000 + 1 * 12000, mature enzyme, SDS-PAGE |
Streptococcus thermophilus |
4.1.1.22 |
37000 |
- |
x * 37000, uncleaved proenzyme, SDS-PAGE |
Streptococcus thermophilus |
Organism
EC Number |
Organism |
UniProt |
Comment |
Textmining |
---|
4.1.1.22 |
Streptococcus thermophilus |
- |
CHCC1524 |
- |
Purification (Commentary)
EC Number |
Purification (Comment) |
Organism |
---|
4.1.1.22 |
Ni2+-NTA column chromatography |
Streptococcus thermophilus |
Substrates and Products (Substrate)
EC Number |
Substrates |
Comment Substrates |
Organism |
Products |
Comment (Products) |
Rev. |
Reac. |
---|
4.1.1.22 |
L-histidine |
- |
Streptococcus thermophilus |
histamine + CO2 |
- |
? |
|
Subunits
EC Number |
Subunits |
Comment |
Organism |
---|
4.1.1.22 |
? |
x * 37000, uncleaved proenzyme, SDS-PAGE |
Streptococcus thermophilus |
4.1.1.22 |
heterodimer |
1 * 24000 + 1 * 12000, mature enzyme, SDS-PAGE |
Streptococcus thermophilus |
Synonyms
EC Number |
Synonyms |
Comment |
Organism |
---|
4.1.1.22 |
HdcA |
- |
Streptococcus thermophilus |
4.1.1.22 |
pyruvoyl-dependent histidine decarboxylase |
- |
Streptococcus thermophilus |
Cofactor
EC Number |
Cofactor |
Comment |
Organism |
Structure |
---|
4.1.1.22 |
Pyruvoyl group |
dependent on |
Streptococcus thermophilus |
|