Activating Compound | Comment | Organism | Structure |
---|---|---|---|
CYS3 | a bZIP transcriptional activator, is the key regulator and necessary for regulation expression of the sulfur-related genes, binds on a consensus sequence for CYS3 binding | Neurospora crassa |
Cloned (Comment) | Organism |
---|---|
gene cys-16+, DNA and amino acid sequence determination and analysis, gene cys-16+ gene encodes a polypeptide of 417 amino acids with a highly conserved pyridoxal 5'-phosphate binding site and substrate-cofactor binding pocket | Neurospora crassa |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-cystathionine + H2O | Neurospora crassa | - |
L-cysteine + 2-oxobutanoate + NH3 | - |
? | |
L-cystathionine + H2O | Neurospora crassa 74OR23-1a | - |
L-cysteine + 2-oxobutanoate + NH3 | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Neurospora crassa | Q96VU7 | gene cys-16+ | - |
Neurospora crassa 74OR23-1a | Q96VU7 | gene cys-16+ | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-cystathionine + H2O | - |
Neurospora crassa | L-cysteine + 2-oxobutanoate + NH3 | - |
? | |
L-cystathionine + H2O | - |
Neurospora crassa 74OR23-1a | L-cysteine + 2-oxobutanoate + NH3 | - |
? |
Synonyms | Comment | Organism |
---|---|---|
gamma-cystathionase | - |
Neurospora crassa |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
pyridoxal 5'-phosphate | - |
Neurospora crassa |
Organism | Comment | Expression |
---|---|---|
Neurospora crassa | enzyme expression levels are present only at a low level under sulfur sufficient (repressing) conditions | down |
Neurospora crassa | cys-16+ transcript levels in a activator/regulator CYS3-defective DELTAcys-3 regulatory mutant are present at a low level under either derepressing or repressing conditions | additional information |
Neurospora crassa | enzyme expression levels increase under sulfur limiting (derepressing) conditions | up |