Program Book

807-P os B oard #B562 A METHOD FOR SIMULTANEOUS IMAGING OF ISOLATED THICK FILAMENTS AND ACTIN FILAMENTS. Albert Kalganov , Aleksander Labuda, Dilson Rassier 808-P os B oard #B563 SCHISTOSOME MUSCLES CONTAIN STRIATED MUSCLE-LIKE MYOSIN FILAMENTS IN A SMOOTH MUSCLE-LIKE ARCHITECTURE. Guidenn Sulbarán, Lorenzo Alamo, Antonio Pinto, Gustavo Marquez, Franklin Méndez, Raúl Padrón, Roger Craig 809-P os B oard #B564 ZEBRAFISH CARDIAC MUSCLE THICK FILAMENTS; ISOLATION WITHOUT PROTEOLYTIC ENZYMES. Maryvi Gonzalez-Sola , Jaime Huertas-Toledo, Robert W. Kensler 810-P os B oard #B565 THREE-DIMENSIONAL CONSIDERATIONS FOR X-RAY DIFFRACTION SIGNALS THAT OCCUR AHEAD OF STRETCH ACTIVATION IN INSECT FLIGHT MUSCLE. Hiroyuki Iwamoto , Naoto Yagi 811-P os B oard #B566 MODELING POLY-LYSINE INTERACTIONS WITH MUTANT AND WILD TYPE CARDIAC MYOSIN SUBFRAGMENT-2. Nasrin Taei, James Dunn, Rahul Gupta, Sherwin Thomas, Alysha Joseph, Diana Wang, Douglas D. Root 812-P os B oard #B567 SMALL HEAT SHOCK PROTEINS PREVENTTITIN AGGREGATION- INDUCED STIFFENING IN HUMANMYOCYTES. Sebastian Kötter, Andreas Unger, Nazha Hamdani, Luitgard Nagel-Steger, Wolfgang A. Linke 813-P os B oard #B568 INDIVIDUAL GLOBULAR DOMAINS AND DOMAIN UNFOLDING VISUALIZED IN OVERSTRETCHED TITIN MOLECULES. Zsolt Mártonfalvi, Miklós S. Kellermayer 814-P os B oard #B569 INTERACTIVE PROPERTIES OF A-BAND TITIN. Sarika Khasnis, Matt L. Walker, Gaetana Spedalieri, Ghulam N. Khan, Iain Manfield, John Trinick, Larissa Tskhovrebova 815-P os B oard #B570 TITIN VISCO-ELASTICITY MODULATED BY LIMITING IG DOMAIN UNFOLDING AND REFOLDING. Jens Herzog, Timothy R. Leonard , Azim Jinha, Walter Herzog 816-P os B oard #B571 AN ACTIVE ROLE FOR TITIN IN SKELETAL MUSCLE. Krysta Powers , Azim Jinha, Walter Herzog 817-P os B oard #B572 TITIN-BASED MODULATION OF SARCOMERE STRUCTURE AS REVEALED BY EQUATORIAL X-RAY DIFFRACTION. Karen H. Hsu, Younss Ait-Mou, Pieter P. de Tombe, Thomas C. Irving 818-P os B oard #B573 CARDIAC THIN FILAMENT STRUCTURAL MODULATION BY SARCOMERE LENGTH. Younss Aitmou , Karen H. Hsu, Mohit Kumar, Danuta Szczesna-Cordary, Marion L. Greaser, Tom C. Irving, Pieter P. deTombe 819-P os B oard #B574 ATOMIC-LEVEL VISUALIZATION OF SMOOTH MUSCLE ACTIVATION BY PHOSPHORYLATION OF THE MYOSIN REGULATORY LIGHT CHAIN. Brett A. Colson, Matthew A. Mauseth , David J. Kast, L. Michel Espinoza-Fonseca, Osha Roopnarine, David D. Thomas

795-P os B oard #B550 OPTICAL TRAPPING SHOWS A 3-FOLD INCREASE IN MYOSIN HEAD STIFFNESS BY THE FHC-MUTATION R723G IN THE β -CARDIAC MYOSIN HEAVY CHAIN. Christoph Werkman, Nils Hahn, Antonio Francino, Francesc Navarro-Lopéz, Theresia Kraft, Walter Steffen, Bernhard Brenner 796-P os B oard #B551 POSITION OF PHENYLALANINE IN THE RELAY LOOP IS IMPORTANT FOR MYOSIN MOTOR ACTION. Jinghua Ge , Yaroslav V. Tkachev, Yuri E. Nesmelov 797-P os B oard #B552 international travel awardee ROLE OF THE COIL-HELIX TRANSITION WITHIN LOOP2 IN CARDIAC MYOSIN KINETICS MODULATION. Yaroslav V. Tkachev , Yuri E. Nesmelov 798-P os B oard #B553 A KINETIC MODEL THAT EXPLAINS THE TRANSIENT AND STEADY STATE RESPONSES TO MECHANICAL AND CHEMICAL STEPS APPLIED TO CA ++ ACTIVATED SKINNED FIBERS FROM SKELETAL MUSCLE. Vincenzo Lombardi , Marco Linari, Marco Caremani, Mario Dolfi 799-P os B oard #B554 KINETIC CHARACTERIZATION OF INTERACTIONS BETWEEN STABILIZED SMOOTH MUSCLE MYOSIN FILAMENTS AND ACTIN. Brian D. Haldeman , Richard Brizendine, Josh E. Baker, Christine R. Cremo 800-P os B oard #B555 EVIDENCE FORTHE PRESENCE OF AM ー ADP MYOSIN HEADS IN RIGOR MUSCLE FIBERS: ITS IMPLICATION OF THE STATE OF MYOSIN HEADS AFTERTHE END OF POWERSTROKE. Haruo Sugi , Karina Hajar, Kazushige Kimura, Takakazu Kobayashi, Seiryo Sugiura 801-P os B oard #B556 NON-LINEAR CROSS-BRIDGE ELASTICITY, ATP-INDEPEN- DENT DETACHMENT AND ATP-VELOCITY RELATIONSHIPS FOR SKELETAL MUSCLE ACTOMYOSIN. Malin Persson , Elina Bengtsson, Lasse ten Siethoff, Alf Månsson 802-P os B oard #B557 NONLINEAR ELASTICITY OF A CROSSBRIDGE IN SARCOMERE LATTICE. Boban Stojanovic , Marina Svicevic, Richard J. Gilbert, Srboljub M. Mijailovich 803-P os B oard #B558 EFFECT OF NONLINEAR CROSSBRIDGE ELASTICITY ON KINETICS OF SARCOMERIC CONTRACTION. Srboljub M. Mijailovich , Djordje Nedic, Boban Stojanovic, Michael A. Geeves 804-P os B oard #B559 FLEXIBILITY WITHIN THE HEADS OF MUSCLE MYOSIN-2 MOLECULES. Neil Billington, Derek J. Revill, Stan A. Burgess, Peter D. Chantler, Peter J. Knight 805-P os B oard #B560 NEGATIVE STAIN EM OF MYOSN-S1 BOUND TO ACTIN AND THIN FILAMENTS IN MGATP AFTER RAPID MIXING. Howard D. White , Matthew L. Walker, Betty Belknap, John A. Trinick 806-P os B oard #B561 PHOSPHORYLATION-INDUCED STRUCTURAL CHANGE IN CMYBP-C AFFECTS ITS THIN FILAMENT BINDING AND MODULATION OF TROPOMYOSIN POSITION. Ji Young Mun , James Gulick, Jeffrey Robbins, Roger Craig

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Biophysical Society 58 th Annual Meeting, San Francisco, California