Inhibitors | Comment | Organism | Structure |
---|---|---|---|
selenocystine | competitively blocks cystine import by enzyme form YdjN | Escherichia coli |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + H2O + D-cystine-[cystine-binding protein](side 1) | Escherichia coli | - |
ADP + phosphate + D-cystine(side 2) + [cystine-binding protein](side 1) | - |
? | |
ATP + H2O + L-cystine-[cystine-binding protein](side 1) | Escherichia coli | - |
ADP + phosphate + L-cystine(side 2) + [cystine-binding protein](side 1) | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | - |
- |
- |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
culture condition:D-cystine-grown cell | - |
Escherichia coli | - |
culture condition:L-cystine-grown cell | - |
Escherichia coli | - |
culture condition:sulfate-grown cell | - |
Escherichia coli | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + H2O + D-cystine-[cystine-binding protein](side 1) | - |
Escherichia coli | ADP + phosphate + D-cystine(side 2) + [cystine-binding protein](side 1) | - |
? | |
ATP + H2O + diaminopimelate-[diaminopimelate-binding protein](side 1) | - |
Escherichia coli | ADP + phosphate + diaminopimelate(side 2) + [diaminopimelate-binding protein](side 1) | - |
? | |
ATP + H2O + L-cystine-[cystine-binding protein](side 1) | - |
Escherichia coli | ADP + phosphate + L-cystine(side 2) + [cystine-binding protein](side 1) | - |
? |
Synonyms | Comment | Organism |
---|---|---|
cystine importer | - |
Escherichia coli |
FliY-YecSC | - |
Escherichia coli |
tcyJLN | - |
Escherichia coli |
tcyP | - |
Escherichia coli |
YdjN | - |
Escherichia coli |
Organism | Comment | Expression |
---|---|---|
Escherichia coli | the enzyme is strongly induced by the regulon CysB response to sulfur scarcity | up |
General Information | Comment | Organism |
---|---|---|
metabolism | enzyme form FliY-YecSC is essential for import of trace cystine, whereas enzyme form YdjN is the predominant importer when cystine is more abundant. YdjN is responsible for the rapid cystine import and H2O2 sensitivity of Escherichia coli that has been pre-grown in sulfate medium, but the rapid transport and H2O2 sensitivity are absent if cells have been pre-grown in cystine medium | Escherichia coli |