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Investigation of Protein – Protein Interactors of Setmar Using Tandem Mass Tag Mass Spectrometry

Lana Segizbayeva, IUPUI University Library, IUPUI # Defaults To Publisher, Millie L. Georgiadis, Amber L. Mosley, Clark D. Wells
2022

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The nuclear protein SETMAR has been reported to be involved in many processes such as non-homologous end joining (NHEJ), di-methylation (arguably) of K36 of histone H3, restart of stalled replication forks, chromosome decatenation, enhancing of TOPII inhibitors which results in resistance to chemotherapeutics in cancer patients, etc. All these purported functions are impossible to execute without interaction with other proteins. It is established that SETMAR binds specifically to DNA at
more » ... inverted repeat sequences and can loop DNA. This DNA sequence specific pull-down exploits this attribute to identify possible protein interactors of SETMAR. As a result of this experiment several proteins have been identified for further research: BAG2, c12orf45, PPIA, XRCC5/6, and ZBTB43, all of which are found in higher statistical abundances in full length SETMAR samples.
doi:10.7912/c2/2887 fatcat:mrb7wltkhbhj3kwkkunivblk6e
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Lana Segizbayeva, IUPUI University Library, IUPUI # Defaults To Publisher, Millie L. Georgiadis, Amber L. Mosley, Clark D. Wells. "Investigation of Protein – Protein Interactors of Setmar Using Tandem Mass Tag Mass Spectrometry." (2022)