Dr Allan Torres

• Qualifications
• Biography
• Research
• Publications

Qualifications

PhD

Biography

Doctor Allan Torres is a research instrumentalist at the University of Western Sydney in the Nanoscale Organisation and Dynamics division within the School of Biomedical and Health Science.   Allan has a keen interest in the following areas: Chemistry, Physics, Mathematics, Biophysics, Biochemistry, Physical Chemistry and Molecular Biology.

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 Research

• NMR Method Development
• Protein Structure Characterisation by NMR
• Magnetic Resonance Imaging
• Protein functions
• Toxins

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Selected Publications

Zheng, G., Torres, A.M., & Price, W.S. (2008). Solvent suppression using phase-modulated binomial-like sequences and applications to diffusion measurements. J. Magn. Reson. 194, 108-114.

Zheng, G., Stait-Gardner, T., Anil Kumar, P.G., Torres, A.M., & Price, W.S. (2008). PGSTE-WATERGATE: An STE-based PGSE NMR sequence with excellent solvent suppression. J. Magn. Reson. 191, 159-163.

Yadav, N.N., Torres, A.M., & Price, W.S. (2008). An improved approach to calibrating high magnetic field gradients for pulsed field gradient experiments. J. Magn. Reson. 194, 25-28.

Whittington, C.M., et al. (2008). Defensins and the convergent evolution of platypus and reptile venom genes. Genome Res. 18, 986-994.

Wheate, N. J., Kumar, P.G.A., Torres, A.M., Aldrich-Wright, J.R., & Price, W.S. (2008). Examination of Cucurbit[7]uril and Its Host-Guest Complexes by Diffusion Nuclear Magnetic Resonance. Journal of Physical Chemistry B 112, 2311-2314.

Torres, A.M., Dela Cruz, R., & Price, W.S. (2008). Removal of J-coupling peak distortion in PGSE experiments. J. Magn. Reson. 193, 311-316.

Torres, A.M., Bubb, W.A., Philp, D.J., & Kuchel, P.W. (2008). Improved J-compensated sequences based on short composite pulses. J. Magn. Reson. 194, 81-88.

Bansal, P.S., Torres, A.M., Crossett, B., Wong, K.K.Y., Koh, J.M.S., Geraghty, D.P., Vandenberg, J.I., & Kuchel, P.W. (2008). Substrate Specificity of Platypus Venom L-to-D-Peptide Isomerase. J. Biol. Chem. 283, 8969-8975.

Torres, A.M., Tsampazi, M., Kennett, E.C., Belov, K., Geraghty, D.P., Bansal, P.S., Alewood, P. F., & Kuchel, P. W. (2007). Characterization and isolation of L-to-D-amino-acid-residue isomerase from platypus venom. Amino Acids 32, 63-68.

Torres, A.M., Bansal, P. ., Alewood, P.F., Geraghty, D.P., & Kuchel, P.W. (2007). Determination of D-amino-acid residues in peptides from animal venom by NMR: application to platypus venom peptides OvCNPs. In D-Amino Acids (Konno, R., eds), pp. 379-387. Nova Science Publishers, Inc., Hauppauge, N.Y.

Torres, A.M., et al. (2006). Mammalian L-to-D-amino-acid-residue isomerase from platypus venom. FEBS Lett. 580, 1587-1591.

Kuchel, P.W., Chapman, B. E., Muller, N., Bubb, W. A., Philp, D. J., & Torres, A.M. (2006). Apparatus for rapid adjustment of the degree of alignment of NMR samples in aqueous media: Verification with residual quadrupolar splittings in Na-23 and (CS)-C-133 spectra. J. Magn. Reson. 180, 256-265.

Vandenberg, J.I., Bansal, P.S., Torres, A.M., Kuchel, P.W., & Alewood, P. A. (2005). Molecular basis of CnErg1 binding to HERG K+ channels. Journal Of Molecular And Cellular Cardiology 39, 172-173.

Torres, A.M., Tsampazi, C., Geraghty, D.P., Bansal, P. S., Alewood, P. ., & Kuchel, P.W. (2005). D-amino-acid residue in a defensin-like peptide from platypus venom: effect on structure and chromatographic properties Biochem. J. 391, 215-220.

Torres, A.M., Philp, D.J., Kemp-Harper, R., Garvey, C., & Kuchel, P.W. (2005). Determination of Na+ binding parameters by relaxation analysis of selected Na-23 NMR coherences: RNA, BSA and SDS. Magnetic Resonance In Chemistry 43, 217-224.

Vandenberg, J.I., Torres, A.M., Campbell, T.J. & Kuchel, P.W., (2004). The HERG K+ channel: progress in understanding the molecular basis of its unusual gating kinetics. European Biophysics Journal With Biophysics Letters 33, 89-97.

Torres, A.M., & Kuchel, P.W. (2004). The beta-defensin-fold family of polypeptides. Toxicon 44, 581-588.

Torres, A.M., Wong, H.Y., Desai, M., Moochhala, S., Kuchel, P.W., & Kini, R.M. (2003). Identification of a novel family of proteins in snake venoms - Purification and structural characterization of nawaprin from Naja nigricollis snake venom. J. Biol. Chem. 278, 40097-40104.

Torres, A. M., et al. (2003). Structure of the HERG K+ channel S5P extracellular linker - Role of an amphipathic alpha-helix in C-type inactivation. J. Biol. Chem. 278, 42136-42148.

Torres, A.M., Bansal, P., Alewood, P.F., Bursill, J.A., Kuchel, P.W., & Vandenberg, J.I. (2003). Solution structure of CnErg1 (Ergtoxin), a HERG specific scorpion toxin. FEBS Letters. 539, 138-42.

Torres, A.M., Menz, I., Alewood, P.F., Bansal, P., Lahnstein, J., Gallagher, C. H. & Kuchel, P. W. (2002). D-Amino acid residue in the C-type natriuretic peptide from the venom of the mammal, Ornithorhynchus anatinus, the Australian platypus. FEBS Lett. 524, 172-6.

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