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Literature summary for 4.2.1.24 extracted from

  • Kervinen, J.; Dunbrack, R.L.; Litwin, S.; Martins, J.; Scarrow, R.C.; Volin, M.; Yeung, A.T.; Yoon, E.; Jaffe, E.K.
    Porphobilinogen synthase from pea: expression from an artificial gene, kinetic characterization, and novel implications for subunit interactions (2000), Biochemistry, 39, 9018-9029.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Pisum sativum

Inhibitors

Inhibitors Comment Organism Structure
succinylacetone
-
Pisum sativum

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ essentail cofactor, allosteric Mg(II) binds with a Kd of 2.5 mM, 2.3fold activation, binding of 3 Mg(II) per subunit Pisum sativum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
37000
-
x * 37000, maximally active octamer can dissociate into less active smaller subunits, minimal functional unit is a tetramer, SDS-PAGE Pisum sativum

Organism

Organism UniProt Comment Textmining
Pisum sativum
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Pisum sativum

Subunits

Subunits Comment Organism
? x * 37000, maximally active octamer can dissociate into less active smaller subunits, minimal functional unit is a tetramer, SDS-PAGE Pisum sativum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.7 9.2
-
Pisum sativum