EC Number   |
Substrates |
Organism |
Products |
Reversibility |
|---|
    2.5.1.65 | 3-chloro-L-alanine + hydrogen sulfide |
- |
Aeropyrum pernix |
? |
- |
ir |
| 2.5.1.65 | 3-chloro-L-alanine + sulfide |
heat-labile substrate, 173% of activity compared with O-acetyl-L-serine as substrate |
Aeropyrum pernix |
? |
- |
? |
| 2.5.1.65 | L-azaserine + hydrogen sulfide |
O-phospho-L-serine is a heat-stable substrate |
Aeropyrum pernix |
? |
- |
ir |
| 2.5.1.65 | L-azaserine + sulfide |
same activity as with O-acetyl-L-serine as substrate |
Aeropyrum pernix |
? |
- |
? |
| 2.5.1.65 | L-cysteine + dithiothreitol |
OASS has a high activity in the L-cysteine desulfurization reaction |
Aeropyrum pernix |
S-(2,3-hydroxy-4-thiobutyl)-L-cysteine + sulfide |
- |
? |
| 2.5.1.65 | more |
biosynthesis of L-cysteine |
Aeropyrum pernix |
? |
- |
? |
| 2.5.1.65 | more |
L-cysteine biosynthesis |
Aeropyrum pernix |
? |
- |
? |
| 2.5.1.65 | more |
enzyme with cystathionine beta-synthase and O-acetylserine sulfhydrylase activity in vitro, OASS has also L-serine sulfhydrylation and S-sulfo-L-cysteine synthesis activity |
Aeropyrum pernix |
? |
- |
? |
| 2.5.1.65 | more |
not: 3-chloro-D-alanine, 3-cyano-L-alanine, O-benzyl-L-serine, O-tert-butyl-L-serine, O-phospho-D-serine, O-succinyl-L-homoserine, L-homoserine |
Aeropyrum pernix |
? |
- |
? |
| 2.5.1.65 | more |
substrate specificity, no activity with 3-chloro-D-alanine, 3-cyano-L-alanine, O-benzyl-L-serine, O-tert-butyl-L-serine, O-phospho-D-serine, O-succinyl-L-homoserine, and L-homoserine |
Aeropyrum pernix |
? |
- |
? |
