Helios Antibody [Alexa Fluor® 647]

• Reactivity: Hu
• Host: Sheep
• Conjugate: Alexa Fluor 647

Helios Antibody [Alexa Fluor® 647] Summary

• Specificity: Detects human Helios in direct ELISAs and Western blots.
• Isotype: IgG
• Host: Sheep

Packaging, Storage & Formulations

• Storage: Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied
• Buffer: Supplied 0.2mg/ml in 1X PBS with RDF1 and 0.09% Sodium Azide

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Helios Antibody [Alexa Fluor® 647]

• Helios
• IKAROS family zinc finger 2 (Helios)
• Ikaros family zinc finger protein 2
• IKZF2
• MGC34330
• subfamily 1A, 2 (Helios)
• zinc finger DNA binding protein Helios
• zinc finger protein Helios
• ZNF1A2
• ZNFN1A2

Background

Helios, also known as IKZF2, is a 70 kDa DNA-binding transcription regulator in the Ikaros family that contains four N-terminal C2H2-type zinc finger domains (amino acids 112-219) and two C-terminal zinc finger domains (amino acids 471-523). Helios is expressed in developing hematopoietic and epithelial tissues and in adult T cells and thymic-derived regulatory T cells (Treg). It forms homodimers and also heterodimers with other Ikaros family proteins Ikaros, Pegasus, Eos, and Aiolos. Alternate splicing of human Helios generates a short isoform that lacks three of the the N-terminal zinc finger domains. This isoform is overexpressed in T cell leukemias where it can still dimerize with Ikaros proteins but functions as a dominant negative regulator. Within amino acids 6-97, human and mouse Helios share 96% aa sequence identity.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.