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Literature summary for 4.2.1.69 extracted from

  • Stransky, H.; Amberger, A.
    Isolierung und Eigenschaften einer Cyanamid-hydratase (E.C.-Gruppe 4.2.1.) aus Myrothecium verrucaria (1973), Z. Pflanzenphysiol., 70, 74-87.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
Co2+ above 0.01 M Albifimbria verrucaria
Cu2+ above 0.01 M Albifimbria verrucaria
Fe2+ above 0.01 M Albifimbria verrucaria
Mg2+ above 0.01 M Albifimbria verrucaria
Mn2+ above 0.01 M Albifimbria verrucaria

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0037
-
cyanamide
-
Albifimbria verrucaria

Metals/Ions

Metals/Ions Comment Organism Structure
Mn2+ activates Albifimbria verrucaria

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
cyanamide + H2O Albifimbria verrucaria no constitutive enzyme, induced by addition of cyanamide to growth medium ?
-
?

Organism

Organism UniProt Comment Textmining
Albifimbria verrucaria
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Albifimbria verrucaria

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
73.65
-
-
Albifimbria verrucaria

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
cyanamide + H2O
-
Albifimbria verrucaria urea
-
ir
cyanamide + H2O no constitutive enzyme, induced by addition of cyanamide to growth medium Albifimbria verrucaria ?
-
?
additional information not: Arg, Orn, urea, guanidine, guanidino-urea, creatin, creatinin, guanidinoacetate Albifimbria verrucaria ?
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40 55
-
Albifimbria verrucaria

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
15 65 less than 50% of maximal activity above and below Albifimbria verrucaria

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
70
-
stable at Albifimbria verrucaria

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.7
-
-
Albifimbria verrucaria

pH Range

pH Minimum pH Maximum Comment Organism
6.4 8.5 less than 50% of maximal activity above and below Albifimbria verrucaria