3.4.23.35: Barrierpepsin

This is an abbreviated version!
For detailed information about Barrierpepsin, go to the full flat file.

Reaction

Selective cleavage of -Leu6-/-Lys- bond in the pheromone alpha-mating factor =

Synonyms

Bar proteinase, Barrier proteinase, Extracellular "barrier" protein, More

ECTree

     3 Hydrolases

         3.4 Acting on peptide bonds (peptidases)

             3.4.23 Aspartic endopeptidases

                3.4.23.35 Barrierpepsin

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Results	in table
3	AA Sequence
1	CAS Registry Number
1	Cloned(Commentary)
2	Cofactor
1	General Stability
6	Inhibitors
1	KM Value [mM]
5	Localization
2	Metals/Ions
1	Molecular Weight [Da]
6	Natural Substrates/ Products (Substrates)
11	Organism
3	pH Optimum
3	pH Range
3	Posttranslational Modification
5	Purification (Commentary)
1	Reaction
1	Reaction Type
5	Reference
1	Storage Stability
25	Substrates and Products (Substrate)
4	Subunits
9	Synonyms

Natural Substrates Products

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Natural Substrates Products on EC 3.4.23.35 - Barrierpepsin

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NATURAL SUBSTRATE

NATURAL PRODUCT

REACTION DIAGRAM

ORGANISM

UNIPROT

COMMENTARY
(Substrate)

LITERATURE
(Substrate)

COMMENTARY
(Product)

LITERATURE
(Product)

REVERSIBILITY
r=reversible
ir=irreversible
?=not specified

alpha Factor + H2O

?

2 entries

WHWLQLKQGQPMY + H2O

WHWLQL + KQGQPMY

2 entries

alpha Factor + H2O

?

Saccharomyces cerevisiae

-

i.e. Trp-His-Trp-Leu-Gln-Leu-Lys-Pro-Gly-Gln-Pro-Met-Tyr, involved in physiological changes preceding Saccharomyces cerevisiae cell fusion

30805, 30806, 30807

-

-

?

alpha Factor + H2O

?

Saccharomyces cerevisiae

-

acts as antagonist of alpha factor, the peptide mating pheromone produced by mating type alpha-cells

30805

-

-

?

WHWLQLKQGQPMY + H2O

WHWLQL + KQGQPMY

Saccharomyces cerevisiae

-

absolutely specific for the single neutral substrate peptide pheromone alpha-factor

668789

-

-

?

WHWLQLKQGQPMY + H2O

WHWLQL + KQGQPMY

Saccharomyces cerevisiae X2180-1A

-

absolutely specific for the single neutral substrate peptide pheromone alpha-factor

668789

-

-

?