Evidence_75242 |
PF03079 HMM |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Evidence_75245 |
TIGR01694 HMM |
None - {{∅}} |
False - {{f}} |
Unconfirmed absence |
|
Evidence_75252 |
GenProp0732 GENPROP |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
GenProp0729 |
methionine salvage from methylthioadenosine~Methylthioadenosine (MTA) is a sulfur-containing by-product from the use of S-adenosylmethionine in spermidine or polyamine biosynthesis and certain other pathways. A series of reactions, with considerable species-specific variation, recycles MTA to methionine in a wide range of organisms. In a new nomenclature, these genes are now designated mtn (MethylThioNucleoside). An interesting enzyme in this system is MtnD, the aci-reductone dioxygenase. This enzyme has two different enzymatic activities, depending on whether Ni2+ or Fe2+ is bound. The action of the single enzyme MtnP is replaced by two enzymes, MtnN and MtnK in some species. Likewise, the enolase-phosphatase MtnC is replaced by MtnW and MtnX in the Bacillus lineage. The final step in the pathway, a transamination that generates methionine from 2-keto-4-methylthiobutyrate, apparantly can be catalyzed by a large number of functional analogs using different amino donors, and so is not included explicitly in the reconstruction. |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Component_54281 |
methylthioribose-1-phosphate isomerase |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Component_54283 |
aci-reductone dioxygenase |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Component_54289 |
2,3-diketo-5-methylthiopentyl-1-phosphate enolase |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Evidence_75250 |
TIGR03332 HMM |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Component_54285 |
5-methylthioribose kinase |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
GenProp0730 |
methylthioadenosine to methylthioribose-1-phosphate via MTR~This property exists to describe a branch in the methionine salvage pathway in which MtnN followed by mtnK replaces the single step of MtnP. |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Evidence_75241 |
TIGR03328 HMM |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Component_54287 |
2,3-diketo-5-methylthiopentyl-1-P to aci-reductone |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Component_54286 |
MTA to MTR-1-P |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Evidence_75247 |
TIGR01691 HMM |
None - {{∅}} |
False - {{f}} |
Unconfirmed absence |
|
Evidence_75243 |
TIGR01704 HMM |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Component_54282 |
methylthioribulose-1-phosphate dehydratase |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Evidence_75246 |
GenProp0730 GENPROP |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Component_54290 |
2-hydroxy-3-keto-5-methylthiopentenyl-1-phosphate phosphatase |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Evidence_75251 |
TIGR03333 HMM |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Evidence_75248 |
TIGR00512 HMM |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
GenProp0732 |
methionine salvage enolase-phosphate pair MtnW/MtnX~In many species with methionine salvage from methylthioadenosine, a single protein (MtnC) acts as an enolase-phosphatase. However, in Bacillus subtilis and related species, the enolase and phosphate are separate proteins designated MtnW and MtnX. The former resembles RuBisCO and the latter belongs to the HAD superfamily hydrolases. |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Evidence_75244 |
TIGR01767 HMM |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
Component_54284 |
methylthioadenosine nucleosidase |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|