Program Book

1:00 pm –3:00 pm , R oom 132/133 Platform Molecular Dynamics II

3243-P lat 1:30 pm X-RAY STRUCTURES OF THE OPEN AND RESTING FORMS OF THE SAME BACTERIAL PENTAMERIC LIGAND-GATED ION CHANNEL. Ludovic Sauguet, Azadeh Shahsavar, Frederic Poitevin, Christele Huon, Anais Menny, Akos Nemecz, Ahmed Haouz, Jean-Pierre Changeux, Pierre-Jean Corringer, Marc Delarue 3244-P lat 1:45 pm STRUCTURAL BASIS FOR ALLOSTERIC COUPLING AT THE MEMBRANE-PROTEIN INTERFACE IN GLIC. Phanindra Velisetty, Sreevatsa V. Chalamalasetti, Sudha Chakrapani 3245-P lat 2:00 pm CALCIUM-DEPENDENT GATING IN MTHK K + CHANNELS OCCURS AT THE SELECTIVITY FILTER. David J. Posson , Radda Rusinova, Olaf S. Andersen, Crina M. Nimigean 3246-P lat 2:15 pm CLOSED STATE COUPLED C-TYPE INACTIVATION IN BK CHANNELS. Jiusheng Yan , Wei Wang, Richard W. Aldrich 3247-P lat 2:30 pm TPC1 IS A PROTON PERMEABLE CHANNEL THAT CAN BE INDEPENDENTLY ACTIVATED BY CYTOSOLIC CALCIUM OR NAADP. Samantha J. Pitt , Andy Lam, Antony Galione, Rebecca Sitsapesan 3248-P lat 2:45 pm SKA-111, A POSITIVE KCA CHANNEL GATING MODULATOR WITH SELECTIVITY FOR KCA3.1. Nichole T. Coleman , Brandon M. Brown, Aida O. Viguera, Ralf Köhler, Heike Wulff 1:00 pm –3:00 pm , R oom 304 Platform Computational Systems Biology and Cellular Network Co-Chairs Carlos Lopez, Vanderbilt University School of Medicine Eric Deeds, University of Kansas 3249-P lat 1:00 pm INTEGRATED 3D SIMULATION OF CARDIOMYOCYTE REVEALED THE DISTINCT FUNCTIONAL CHARACTERISTICS BETWEEN SUBSARCOLEMMAL AND INTERFIBRILLAR MITOHONDRIA. Asuka Hatano , Jun-ichi Okada, Takumi Washio, Toshiaki Hisada, Seiryo Sugiura 3250-P lat 1:15 pm PYSB: A MODELING FRAMEWORKTO EXPLORE BIOCHEMICAL SIGNALING PROCESSES AND CELL-DECISIONS. Carlos F. Lopez , Shawn P. Garbett 3251-P lat 1:30 pm THE EVOLUTION OF CROSSTALK IN SIGNALING NETWORKS. Eric J. Deeds , Michael A. Rowland 3252-P lat 1:45 pm COMPUTATIONAL MODELING OF BIOFILM STRUCTURE AND FUNCTIONS WITH BACTERIA MOTILITY FEATURE AND EXPERIMENT VALIDATION. Jia Zhao , Qi Wang 3253-P lat 2:00 pm IDENTIFYING ACTIVE NEURONS FROM IN VIVO 2-PHOTON CALCIUM IMAGING OF THE BRAIN VIA PIXEL CORRELATION ANALYSIS AND REGION-GROWING SEGMENTATION. Jean-Francois Desjardins , Loïs S. Miraucourt, Edward S. Ruthazer, Paul W. Wiseman

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Co-Chairs Emad Tajkhorship, University of Illinois at Urbana-Champaign Pengfei Tian, Niels Bohr Institute, Denmark 3233-P lat 1:00 pm TRANSCRIPTION FACTOR BINDING AND SLIDING STUDIED USING MICROSCOPIC AND MESOSCOPIC MODELS. Anel Mahmutovic 3234-P lat 1:15 pm SIMULATION OF THE CONFORMATIONAL TRANSITION PATHWAY FOR THE ACTIVATION OF FULL-LENGTH C-SRC KINASE USING THE STRING METHOD. Mikolai Fajer , Yilin Meng, Benoit Roux 3235-P lat 1:30 pm EXPLORING PKA VALUES FOR BURIED RESIDUES IN MEMBRANE BILAYERS USING CONSTANT PH MOLECULAR DYNAMICS SIMULATIONS. Afra Panahi , Charles L. Brooks, III 3236-P lat 1:45 pm ROBUST ESTIMATION OF DIFFUSION-OPTIMIZED ENSEMBLES FOR ENHANCED SAMPLING. Pengfei Tian , Sigurður Jónsson, Jesper Ferkinghoff-Borg, Sergei Krivov, Kresten Lindorff-Larsen, Wouter Boomsma 3237-P lat 2:00 pm DRIVEN ADAPTIVE-BIAS SCHEME: A HYBRID FREE ENERGY METHOD FOR BIOMOLECULAR SYSTEMS WITH COMPLEX ENERGY LANDSCAPES. Mahmoud Moradi , Emad Tajkhorshid 3238-P lat 2:15 pm GOING BACKWARD: AN EFFICIENT MULTISCALE APPROACH USING REVERSE TRANSFORMATION. Tsjerk A. Wassenaar , Kristyna Pluhackova, Rainer Böckmann, Siewert J. Marrink, D. Peter Tieleman 3239-P lat 2:30 pm MIXING AND MATCHING SIMULATIONS AT DIFFERENT RESOLUTIONS. Manuel N. Melo , Niculae Goga, Alexander de Vries, Herman Berendsen 3240-P lat 2:45 pm CAVEOLIN IN BILAYERS: CAN THE INTRAMEMBRANE U-SHAPED CONFORMATION REALLY EXIST. Huan Rui , Kyle T. Root, Jinwoo Lee, Kerney Jebrell Glover, Wonpil Im

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1:00 pm –3:00 pm , R oom 303 Platform Ligand-gated Channels II

Co-Chairs Marc Delarue, Institut Pasteur, France Crina Nimigean, Weill Cornell Medical College 3241-P lat 1:00 pm

education travel awardee COORDINATED MOVEMENTS DURING ASIC1A ACTIVITY. Gaetano Bonifacio , Claudia Suenaga lelli, Stephan Kellenberger 3242-P lat 1:15 pm OPTOCHEMICAL CONTROL OF ENGINEERED TRIMERIC P2X RECEPTORS AND ACID-SENSING ION CHANNELS. Liam E. Browne , João P. M. Nunes, Joan Sim, Vijay Chudasama, Laricia Bragg, Stephen Caddick, R. Alan North

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Biophysical Society 58 th Annual Meeting, San Francisco, California