Anti-IST1 Homolog

IST1 homolog (UniProt: P53990; also known as hIST1, Putative MAPK-activating protein PM28) is encoded by the IST1 (also known as KIAA0174) gene (Gene ID: 9798) in human. IST1 is an ESCRT-III-like protein that is involved in specific functions of the ESCRT machinery. Is required for efficient abscission during cytokinesis. IST1 is also involved in recruiting VPS4A and/or VPS4B to the midbody of dividing cells. During late anaphase, it is involved in nuclear envelope reassembly and mitotic spindle disassembly together with the ESCRT-III complex: IST1 acts by mediating the recruitment of SPAST to the nuclear membrane, leading to microtubule severing. It is shown to regulate early endosomal tubulation together with the ESCRT-III complex by mediating the recruitment of SPAST. Six isoforms of IST1 homolog have been described that are generated by alternative splicing.

This rabbit polyclonal antibody detects IST1 homolog in human cells. It targets an epitope within the first 189 amino acids from the N-terminal half.

A recombinant fragment corresponding to the first 189 amino acids from the N-terminal half of human IST1 homolog.

Anti-IST1 Homolog, Cat. No. ABS1633,is a rabbit polyclonal antibody that detects IST1 homolog and has been tested for use in Immunofluorescence and Western Blotting.

Western Blotting Analysis: A 1:5,000 dilution from a representative lot detected IST1 Homolog in 10 µg of HeLa cell lysate.

Western Blotting Analysis: A representative lot detected IST1 Homolog in Western Blotting applications (Bajorek, M., et. al. (2009). Nat Struct Mol Biol. 16(7):754-62; Bajorek, M., et. al. (2009). Mol Biol Cell. 20(5):1360-73).

Immunofluorescence Analysis: A representative lot detected IST1 Homolog in Immunofluorescence applications (Bajorek, M., et. al. (2009). Mol Biol Cell. 20(5):1360-73).

Evaluated by Western Blotting in Raji cell lysate.

Western Blotting Analysis: A 1:5,000 dilution of this antibody detected IST1 Homolog in 10 µg of Raji cell lysate.

~50 kDa observed; 39.75 kDa calculated.. Uncharacterized bands may be observed in some lysate(s).

Stable for 1 year at -20°C from date of receipt. Handling Recommendations: Upon receipt and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.

Concentration: Please refer to lot specific datasheet.