ArticleJournal of molecular biology2017
Family-Wide Comparative Analysis of Cytidine and Methylcytidine Deamination by Eleven Human APOBEC Proteins.
Article in Journal of molecular biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.
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Who cites it
56 citing papers in PubMed, 81 citations in OpenAlex.
- Effects of thymidylate synthase inhibitors differ in genomic uracilation and mutagenic potential.Life science alliance · 2026Article
- HAMMER: hairpin-based APOBEC3A-mediated mRNA editing reporter.Nucleic acids research · 2026Article
- DNA secondary structures in BCL2 and MYC elicit activation-induced cytidine deaminase binding and activity.Nucleic acids research · 2026Article
- HAMMER: Hairpin-based APOBEC3A-mediated mRNA editing reporter.bioRxiv : the preprint server for biology · 2026Article
- Comprehensive Insights into APOBEC Mutations in Thyroid Cancer: Prognostic and Therapeutic Discoveries.Biological procedures online · 2025Article
- Tobacco smoke carcinogens exacerbate APOBEC mutagenesis and carcinogenesis.Research square · 2025Article
- Deaminase-Driven Reverse Transcription Mutagenesis in Oncogenesis: Critical Analysis of Transcriptional Strand Asymmetries of Single Base Substitution Signatures.International journal of molecular sciences · 2025Review
- Tobacco smoke carcinogens exacerbate APOBEC mutagenesis and carcinogenesis.bioRxiv : the preprint server for biology · 2025Article
- The Impact of Sugar Conformation on the Single-Stranded DNA Selectivity of APOBEC3A and APOBEC3B Enzymes.ACS chemical biology · 2025Article
- An overview of the functions and mechanisms of APOBEC3A in tumorigenesis.Acta pharmaceutica Sinica. B · 2024Review
- Article
- CRISPR Base Editing to Create Potential Charcot-Marie-Tooth Disease Models with High Editing Efficiency: Human Induced Pluripotent Stem Cell HarboringBiomedicines · 2024Article
- Simultaneous detection of 5-methylcytosine and 5-hydroxymethylcytosine at specific genomic loci by engineered deaminase-assisted sequencing.Chemical science · 2024Article
- Whole-Genome Sequencing of 5-Hydroxymethylcytosine at Base Resolution by Bisulfite-Free Single-Step Deamination with Engineered Cytosine Deaminase.ACS central science · 2023Article
- Engineered deaminases as a key component of DNA and RNA editing tools.Molecular therapy. Nucleic acids · 2023Review
- Mutational impact of APOBEC3A and APOBEC3B in a human cell line and comparisons to breast cancer.PLoS genetics · 2023Article
- Digital data storage on DNA tape using CRISPR base editors.Nature communications · 2023Article
- Structure-guided inhibition of the cancer DNA-mutating enzyme APOBEC3A.Nature communications · 2023Article
- APOBEC3B regulates R-loops and promotes transcription-associated mutagenesis in cancer.Nature genetics · 2023Article
- APOBEC Reporter Systems for Evaluating diNucleotide Editing Levels.The CRISPR journal · 2023Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
Apolipoprotein B mRNA editing enzyme, catalytic polypeptide-like (APOBEC) proteins are a family of cytidine deaminases involved in various important biological processes such as antibody diversification/maturation, restriction of viral infection, and generation of somatic mutations. Catalytically active APOBEC proteins execute their biological functions mostly through deaminating cytosine (C) to uracil on single-stranded DNA/RNA. Activation-induced cytidine deaminase, one of the APOBEC members, was reported to deaminate methylated cytosine (mC) on DNA, and this mC deamination was proposed to be involved in the demethylation of mC for epigenetic regulation. The mC deamination activity is later demonstrated for APOBEC3A (A3A) and more recently for APOBEC3B and APOBEC3H (A3H). Despite extensive studies on APOBEC proteins, questions regarding whether the rest of APOBEC members have any mC deaminase activity and what are the relative deaminase activities for each APOBEC member remain unclear. Here, we performed a family-wide analysis of deaminase activities on C and mC by using purified recombinant proteins for 11 known human APOBEC proteins under similar conditions. Our comprehensive analyses revealed that each APOBEC has unique deaminase activity and selectivity for mC. A3A and A3H showed distinctively high deaminase activities on C and mC with relatively high selectivity for mC, whereas six other APOBEC members showed relatively low deaminase activity and selectivity for mC. Our mutational analysis showed that loop-1 of A3A is responsible for its high deaminase activity and selectivity for mC. These findings extend our understanding of APOBEC family proteins that have important roles in diverse biological functions and in genetic mutations.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.