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Literature summary for 3.5.4.B9 extracted from

  • Lu, X.; Zhang, T.; Xu, Z.; Liu, S.; Zhao, B.; Lan, W.; Wang, C.; Ding, J.; Cao, C.
    Crystal structure of DNA cytidine deaminase ABOBEC3G catalytic deamination domain suggests a binding mode of full-length enzyme to single-stranded DNA (2015), J. Biol. Chem., 290, 4010-4021.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli Rosetta(DE3)plys and BW310 cells Homo sapiens

Crystallization (Commentary)

Crystallization (Comment) Organism
head-to-tail dimer of the A3G catalytic deamination domain A3G-CD2, sitting drop vapor diffusion method, using 0.1 M sodium citrate tribasic dehydrate, pH 5.6, 20% (v/v) 2-propanol, 20% (w/v) polyethylene glycol 4000 Homo sapiens

Protein Variants

Protein Variants Comment Organism
D264A the variant has 5% of the catalytic efficiency of the wild type protein Homo sapiens
D370A the variant has 16% of the catalytic efficiency of the wild type protein Homo sapiens
F268A the variant has 25% of the catalytic efficiency of the wild type protein Homo sapiens
H248G the variant has 158% of the catalytic efficiency of the wild type protein Homo sapiens
H250A the variant has 266% of the catalytic efficiency of the wild type protein Homo sapiens
P210A the variant has 1% of the catalytic efficiency of the wild type protein Homo sapiens
P210G the variant has 10% of the catalytic efficiency of the wild type protein Homo sapiens
Q245A the mutation nearly abolishes the catalytic efficiency to 5% compared to the wild type protein Homo sapiens
Q380A the variant has 68% of the catalytic efficiency of the wild type protein Homo sapiens
R256A the mutation nearly abolishes the catalytic efficiency to 1% compared to the wild type protein Homo sapiens
R374A the variant has 3% of the catalytic efficiency of the wild type protein Homo sapiens
R376A the variant has 15% of the catalytic efficiency of the wild type protein Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.01615
-
cytosine in single-stranded viral DNA mutant enzyme Q380A, at pH 7.5 and 37°C Homo sapiens
0.01846
-
cytosine in single-stranded viral DNA mutant enzyme P210G, at pH 7.5 and 37°C Homo sapiens
0.02042
-
cytosine in single-stranded viral DNA wild type enzyme, at pH 7.5 and 37°C Homo sapiens
0.02252
-
cytosine in single-stranded viral DNA mutant enzyme F268A, at pH 7.5 and 37°C Homo sapiens
0.02705
-
cytosine in single-stranded viral DNA mutant enzyme R374A, at pH 7.5 and 37°C Homo sapiens
0.03306
-
cytosine in single-stranded viral DNA mutant enzyme H248G, at pH 7.5 and 37°C Homo sapiens
0.03325
-
cytosine in single-stranded viral DNA mutant enzyme H250A, at pH 7.5 and 37°C Homo sapiens
0.06323
-
cytosine in single-stranded viral DNA mutant enzyme R376A, at pH 7.5 and 37°C Homo sapiens
0.08188
-
cytosine in single-stranded viral DNA mutant enzyme P210A, at pH 7.5 and 37°C Homo sapiens
0.1189
-
cytosine in single-stranded viral DNA mutant enzyme D370A, at pH 7.5 and 37°C Homo sapiens
0.1639
-
cytosine in single-stranded viral DNA mutant enzyme R256A, at pH 7.5 and 37°C Homo sapiens
0.2785
-
cytosine in single-stranded viral DNA mutant enzyme Q245A, at pH 7.5 and 37°C Homo sapiens
0.3944
-
cytosine in single-stranded viral DNA mutant enzyme D264A, at pH 7.5 and 37°C Homo sapiens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
cytosine in single-stranded viral DNA + H2O Homo sapiens
-
uracil in single-stranded viral DNA + NH3
-
?

Organism

Organism UniProt Comment Textmining
Homo sapiens Q9HC16
-
-

Purification (Commentary)

Purification (Comment) Organism
Ni-NTA column chromatography and Superdex75 gel filtration Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
cytosine in single-stranded viral DNA + H2O
-
Homo sapiens uracil in single-stranded viral DNA + NH3
-
?

Synonyms

Synonyms Comment Organism
A3G
-
Homo sapiens
APOBEC3G
-
Homo sapiens

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.000083
-
cytosine in single-stranded viral DNA mutant enzyme R374A, at pH 7.5 and 37°C Homo sapiens
0.000102
-
cytosine in single-stranded viral DNA mutant enzyme P210A, at pH 7.5 and 37°C Homo sapiens
0.000165
-
cytosine in single-stranded viral DNA mutant enzyme P210G, at pH 7.5 and 37°C Homo sapiens
0.00017
-
cytosine in single-stranded viral DNA mutant enzyme D370A, at pH 7.5 and 37°C Homo sapiens
0.0002
-
cytosine in single-stranded viral DNA mutant enzyme R256A, at pH 7.5 and 37°C Homo sapiens
0.000517
-
cytosine in single-stranded viral DNA mutant enzyme F268A, at pH 7.5 and 37°C Homo sapiens
0.00085
-
cytosine in single-stranded viral DNA mutant enzyme R376A, at pH 7.5 and 37°C Homo sapiens
0.001
-
cytosine in single-stranded viral DNA mutant enzyme Q380A, at pH 7.5 and 37°C Homo sapiens
0.0014
-
cytosine in single-stranded viral DNA mutant enzyme Q245A, at pH 7.5 and 37°C Homo sapiens
0.0018
-
cytosine in single-stranded viral DNA wild type enzyme, at pH 7.5 and 37°C Homo sapiens
0.002
-
cytosine in single-stranded viral DNA mutant enzyme D264A, at pH 7.5 and 37°C Homo sapiens
0.0047
-
cytosine in single-stranded viral DNA mutant enzyme H248G, at pH 7.5 and 37°C Homo sapiens
0.008
-
cytosine in single-stranded viral DNA mutant enzyme H250A, at pH 7.5 and 37°C Homo sapiens

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
0.0012
-
cytosine in single-stranded viral DNA mutant enzyme P210A, at pH 7.5 and 37°C Homo sapiens
0.0012
-
cytosine in single-stranded viral DNA mutant enzyme R256A, at pH 7.5 and 37°C Homo sapiens
0.0031
-
cytosine in single-stranded viral DNA mutant enzyme R374A, at pH 7.5 and 37°C Homo sapiens
0.0046
-
cytosine in single-stranded viral DNA mutant enzyme D264A, at pH 7.5 and 37°C Homo sapiens
0.005
-
cytosine in single-stranded viral DNA mutant enzyme Q245A, at pH 7.5 and 37°C Homo sapiens
0.009
-
cytosine in single-stranded viral DNA mutant enzyme P210G, at pH 7.5 and 37°C Homo sapiens
0.0135
-
cytosine in single-stranded viral DNA mutant enzyme R376A, at pH 7.5 and 37°C Homo sapiens
0.01425
-
cytosine in single-stranded viral DNA mutant enzyme H248G, at pH 7.5 and 37°C Homo sapiens
0.0143
-
cytosine in single-stranded viral DNA mutant enzyme D370A, at pH 7.5 and 37°C Homo sapiens
0.023
-
cytosine in single-stranded viral DNA mutant enzyme F268A, at pH 7.5 and 37°C Homo sapiens
0.062
-
cytosine in single-stranded viral DNA mutant enzyme Q380A, at pH 7.5 and 37°C Homo sapiens
0.09
-
cytosine in single-stranded viral DNA wild type enzyme, at pH 7.5 and 37°C Homo sapiens
0.24
-
cytosine in single-stranded viral DNA mutant enzyme H250A, at pH 7.5 and 37°C Homo sapiens