Human Activation-Induced Cytidine Deaminase (AICDA) Protein

Product specifications

Proteins and Peptides

Activation-Induced Cytidine Deaminase (AICDA)

E. coli

Optimal dilutions/concentrations should be determined by the end user.

Human

Recombinant

> 85% (SDS-PAGE)

5 µg

20 µg

1 mg

Liquid 

SDS-PAGE

Shipped within 5-10 working days.

Store at 4 °C if the entire vial will be used within 2-4 weeks. Store at -20 °C for long term storage. For long term storage, it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid repeated freeze/thaw cycles.

No

Q9GZX7

AID,ARP2,CDA2,HIGM2

Protein AICDA

RUO

This product is for research use only.   Not for human consumption, cosmetic, therapeutic or diagnostic use.

Descripción

Activation-induced cytidine deaminase (AICDA) is an enzyme crucial for the adaptive immune system, specifically in antibody diversification processes. AICDA is primarily expressed in activated B cells within germinal centers and is a key mediator of somatic hypermutation (SHM) and class switch recombination (CSR) in immunoglobulin genes. Through its enzymatic activity, AICDA deaminates cytidine residues in single-stranded DNA, converting them into uracil during transcription, which introduces mutations or facilitates recombination. This targeted mutagenesis is essential for generating high-affinity antibodies and diversifying antibody classes, enabling the immune system to respond effectively to a wide range of antigens. Dysregulation or mutations in AICDA have been linked to immunodeficiency disorders, such as hyper-IgM syndrome, and its aberrant activity is implicated in genomic instability, contributing to oncogenic mutations in lymphomas. AICDA expression is tightly regulated by transcription factors, including E2F and NF-κB, and is further controlled by post-translational modifications such as phosphorylation. Understanding the precise mechanisms of AICDA function and regulation remains critical, as its activity represents both a cornerstone of adaptive immunity and a potential contributor to mutagenesis in malignancies. Researchers continue to explore AICDA as a target for therapeutic intervention in autoimmune diseases and cancer.

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