Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 4.98.1.1 extracted from

  • McIntyre, N.R.; Franco, R.; Shelnutt, J.A.; Ferreira, G.C.
    Nickel(II) chelatase variants directly evolved from murine ferrochelatase: porphyrin distortion and kinetic mechanism (2011), Biochemistry, 50, 1535-1544.
    View publication on PubMedView publication on EuropePMC

Protein Variants

Protein Variants Comment Organism
F323L the mutant exhibits an enhanced Ni2+-chelatase activity over that of the parent wild type ferrochelatase Rattus norvegicus
S143T the mutant exhibits an enhanced Ni2+-chelatase activity over that of the parent wild type ferrochelatase Rattus norvegicus
S143T/F323L the mutant exhibits an enhanced Ni2+-chelatase activity over that of the parent wild type ferrochelatase Rattus norvegicus

Inhibitors

Inhibitors Comment Organism Structure
additional information no Ni2+ substrate inhibition of ferrochelatase is observed Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00026
-
protoporphyrin IX wild type enzyme, with Ni2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.00029
-
protoporphyrin IX mutant enzyme S143T, with Ni2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.00123
-
protoporphyrin IX mutant enzyme F323L, with Ni2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.00172
-
protoporphyrin IX wild type enzyme, with Fe2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.00226
-
Fe2+ wild type enzyme, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.00243
-
protoporphyrin IX mutant enzyme S143T/F323L, with Ni2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.00291
-
Fe2+ mutant enzyme S143T, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.00547
-
protoporphyrin IX mutant enzyme F323L, with Fe2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.00558
-
protoporphyrin IX mutant enzyme S143T/F323L, with Fe2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.00728
-
Fe2+ mutant enzyme S143T/F323L, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.00831
-
protoporphyrin IX mutant enzyme S143T, with Fe2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.00895
-
Fe2+ mutant enzyme F323L, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.02206
-
Ni2+ wild type enzyme, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.03218
-
Ni2+ mutant enzyme F323L, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.06521
-
Ni2+ mutant enzyme S143T, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.1037
-
Ni2+ mutant enzyme S143T/F323L, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
protoporphyrin IX + Fe2+ Rattus norvegicus
-
protoheme IX + 2 H+
-
?

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
protoporphyrin IX + Fe2+
-
Rattus norvegicus protoheme IX + 2 H+
-
?
protoporphyrin IX + Ni2+
-
Rattus norvegicus ?
-
?

Synonyms

Synonyms Comment Organism
protoheme lyase
-
Rattus norvegicus

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.0125
-
protoporphyrin IX wild type enzyme, with Ni2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.142
-
protoporphyrin IX wild type enzyme, with Fe2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.212
-
protoporphyrin IX mutant enzyme F323L, with Ni2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.44
-
protoporphyrin IX mutant enzyme S143T/F323L, with Ni2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
0.59
-
protoporphyrin IX mutant enzyme S143T, with Ni2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
1.21
-
protoporphyrin IX mutant enzyme S143T, with Fe2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
1.6
-
protoporphyrin IX mutant enzyme F323L, with Fe2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
1.9
-
protoporphyrin IX mutant enzyme S143T/F323L, with Fe2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
0.56
-
Ni2+ wild type enzyme, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
1.605
-
Ni2+ mutant enzyme F323L, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
4.23
-
Ni2+ mutant enzyme S143T/F323L, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
9.05
-
Ni2+ mutant enzyme S143T, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
47.3
-
protoporphyrin IX wild type enzyme, with Ni2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
62.5
-
Fe2+ wild type enzyme, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
82.3
-
protoporphyrin IX wild type enzyme, with Fe2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
145.7
-
protoporphyrin IX mutant enzyme S143T, with Fe2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
173.3
-
protoporphyrin IX mutant enzyme F323L, with Ni2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
179
-
Fe2+ mutant enzyme F323L, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
180
-
protoporphyrin IX mutant enzyme S143T/F323L, with Ni2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
261.3
-
Fe2+ mutant enzyme S143T/F323L, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
292.8
-
protoporphyrin IX mutant enzyme F323L, with Fe2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
340.5
-
protoporphyrin IX mutant enzyme S143T/F323L, with Fe2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
416.8
-
Fe2+ mutant enzyme S143T, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus
2015
-
protoporphyrin IX mutant enzyme S143T, with Ni2+ as cosubstrate, 0.1 M Tris-acetate, pH 8.0, 0.5 M NaCl, 0.1% (v/v) Tween 80, at 30°C Rattus norvegicus