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Literature summary for 3.5.4.36 extracted from

  • MacGinnitie, A.J.; Anant, S.; Davidson, N.O.
    Mutagenesis of apobec-1, the catalytic subunit of the mammalian apolipoprotein B mRNA editing enzyme, reveals distinct domains that mediate cytosine nucleoside deaminase, RNA binding, and RNA editing activity (1995), J. Biol. Chem., 270, 14768-14775.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli, as a glutathione S-transferase fusion protein. Overexpression of wild-type apobec-1 in McA 7777 cells results in a 5-6-fold increase in editing of endogenous apoB Rattus norvegicus

Protein Variants

Protein Variants Comment Organism
C93S loss of RNA editing activity, great reduction of cytidine deaminase activity Rattus norvegicus
C96S wild-type levels of RNA binding, loss of RNA editing activity, great reduction of cytidine deaminase activity Rattus norvegicus
E63Q wild-type levels of RNA binding, mutation abolishes both cytidine deaminase and RNA editing activity Rattus norvegicus
H61C mutation retains both editing and cytidine deaminase activity Rattus norvegicus
H61R mutation abolishes RNA binding, loss of RNA editing activity, great reduction of cytidine deaminase activity Rattus norvegicus
additional information mutation of the first four leucines within the heptad repeat of the leucine-rich region (LRR) of apobec-1 results in reduced RNA editing but reservation of wild-type cytidine deaminase activity Rattus norvegicus
P92L mutation abolishes both cytidine deaminase and RNA editing activity Rattus norvegicus

Metals/Ions

Metals/Ions Comment Organism Structure
Zinc zinc binding is required for both apoB RNA editing and cytidine deaminase activity Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
intestine
-
Rattus norvegicus
-

Synonyms

Synonyms Comment Organism
APOBEC-1
-
Rattus norvegicus
apolipoprotein B mRNA editing enzyme
-
Rattus norvegicus