Ph.D. Program in Structural and
Computational Biology and
Molecular Biophysics

Amadeo Biter

Amadeo Biter

Baylor College of Medicine

Department: Program in SCBMB
Address: Department of Biochemistry
1 Baylor Plaza, Rm 315B
Houston, TX 77030
Phone: (713) 798-8565
Fax: (713) 798-6325
Email: amadeo.biter@bcm.tmc.edu
Web: www.bcm.edu/labs/tsai/

Education

B.Sc. Molecular Biology and Biotechnology, University of the Philippines (2001)
Mentor: Francis Tsai, D. Phil.

Honors

Professor John J Trentin Scholarship Award, 2004
Welch Predoctoral Fellowship, 2004

Research Topic

Structural and Functional Studies of the Mitochondrial Molecular Chaperone TRAP1

Research Description

The TNF Receptor-Associated Protein 1 (TRAP1) is an ATP-dependent molecular chaperone first discovered in a yeast two-hybrid screen against the Tumor Necrosis Factor (TNF) receptor. Analysis of its sequence revealed that TRAP1 shares striking homology with the Hsp90 molecular chaperone. Unlike cytosolic Hsp90, however, TRAP1 bears a functional mitochondrial localization signal at its N-terminus, and does not form complexes with known Hsp90 co-chaperones. Despite advances in our understanding of the structure-function relationship of cytosolic Hsp90s, little is known about mitochondrial TRAP1. For instance, it has been reported that TRAP1 may chaperone the retinoblastoma protein. Moreover, TRAP1 expression is regulated by the protooncogene c-Myc, and is suppressed by apoptotic signals in a manner that depends on reactive oxygen species. I have purified, crystallized and characterized TRAP1 from D. discoideum. The goal of my research is to determine the structure and function of TRAP1.

Selected Publications

Last edited on: October 05, 2006