Biophysical Society 2020 Annual Meeting

2644-Pos Board B190 A TAIL OF NIGHT OWLS: THE MAMMALIAN CRY1 C-TERMINAL TAIL CONTROLS CIRCADIAN TIMING BY REGULATING ITS ASSOCIATION TO CLOCK:BMAL1. Gian Carlo G. Parico 2645-Pos Board B191 AGGREGATION STATE OF HUNTINGTIN REGULATES ITS INTERACTION WITH LIPID MEMBRANES. Faezeh Sedighi , Adewale Adegbuyiro, Justin A. Legleiter 2646-Pos Board B192 Travel Awardee THE STRUCTURAL BASIS OF OPPOSING FUNCTIONS OF ALPHA-SYNU- CLEIN IN VESICLE EXOCYTOSIS. Tapojyoti Das , Meraj Ramezani, David A. Holowka, Barbara A. Baird, David Eliezer 2647-Pos Board B193 QUANTIFYING THE EFFECTS OF CHARGE REGULATION ON DISORDER- ORDER TRANSITIONS OF HIGHLY CHARGED PROTEIN SEQUENCES. Am- mon E. Posey , Martin J. Fossat, Rohit V. Pappu 2648-Pos Board B194 INTERNAL DYNAMICS OF THE MEASLES VIRUS N TAIL PROTEIN BY PHOTO- INDUCED ELECTRON TRANSFER EXPERIMENTS AND MOLECULAR SIMU- LATIONS.  John Kunkel , Gerdenis Kodis, Priscila Sutto-Ortiz, Christophe Bignon, Nina Jovic, Jeetain Mittal, Sonia Longhi, Sara M. Vaiana 2649-Pos Board B195 MODELING LIQUID-LIQUID PHASE SEPARATIONS OF INTRINSICALLY DISORDERED PROTEINS ON THE MICROMETER-SCALE. Viren Pattni, Sara M. Vaiana, Giovanna Ghirlanda, Matthias Heyden 2650-Pos Board B196 PROTEOLYTIC FRAGMENTS OF TAU PRODUCE SEEDING-COMPETENT FIBRILS. Michael Vigers , Songi Han Transcription (Boards B197 - B217) 2651-Pos Board B197 THE ROLE OF TRANSCRIPTION FACTOR - DNA RESIDENCE TIME IN TRANSCRIPTION. Achim P. Popp , Karen Clauss, Lena Schulze, Johannes Hettich, Matthias Reisser, Christof J. Gebhardt 2652-Pos Board B198 DISCRIMINATOR EFFECTS ON OPEN COMPLEX FORMATION, STABILIZA- TION, AND TRANSCRIPTION INITIATION. Hao-Che Wang 2653-Pos Board B199 LONG-DISTANCE COOPERATIVE AND ANTAGONISTIC RNA POLYMERASE DYNAMICS VIA DNA SUPERCOILING. Sangjin Kim 2654-Pos Board B200 EFFECT OF ENGINEERED PHAGE PROTEINS ON THE TRANSCRIPTION BY SIGMA70-ASSOCIATED HOST RNA POLYMERASE. Vikas Jain 2655-Pos Board B201 Travel Awardee SINGLE-MOLECULE NAVIGATION OF THE NUCLEOSOMAL TRANSCRIP- TION LANDSCAPE. Zhijie Chen , Ronen Gabizon, Tingting Yao, Carlos Bustamante 2656-Pos Board B202 SINGLE-MOLECULE STUDY REVEALS THE CONFORMATIONAL DYNAM- ICS DURING INITIATION-ELONGATION TRANSITION IN MITOCHONDRIAL TRANSCRIPTION. Seung-Won Lee , Byeong-Kwon Sohn, Urmimala Basu, Hayoon Cho, Jiayu Shen, Aishwarya Deshpande, Smita S. Patel, Hajin Kim 2657-Pos Board B203 FORCE AND GREA MODULATE TRANSCRIPTIONAL PAUSES AT ELONGA- TIONAL OBSTACLES.  Jin Qian , Wenxuan Xu, Yan Yan, Irina Artsimovitch, David Dunlap, Laura Finzi

2658-Pos Board B204 MONOVALENT SALT DEPENDENCE OF THE BACTERIAL RNA POLYMERASE OPEN COMPLEX DYNAMICS. Subhas C. Bera, Mona Seifert, Eugeniu Ostrofet, Monika Spermann, Flavia Stal Papini, Anssi M. Malinen, David Dulin 2659-Pos Board B205 DYNAMIC CROWDING REGULATES TRANSCRIPTION. Anne Shim , Rikkert J. Nap, Kai Huang, Luay M. Almassalha, Hiroyuki Matsuda, Hiroaki Mat- suda, Vadim Backman, Igal Szleifer 2660-Pos Board B206 DECIPHERING KINETICS OF RNA POLYMERASE I MULTI-NUCLEOTIDE TRANSCRIPTION. Zachariah Ingram , David A. Schneider, Aaron L. Lucius 2661-Pos Board B207 A UNIFYING MECHANISTIC MODEL OF BACTERIAL TRANSCRIPTION WITH THREE INTERCONNECTED PAUSE STATES AND NON-DIFFUSIVE BACK- TRACK RECOVERY. Richard Janissen , Behrouz Eslami-Mossallam, Irina Artsimovitch, Martin Depken, Nynke H. Dekker 2662-Pos Board B208 KINETIC REGULATION OF TRANSCRIPT FLUX RATIOS. Eric A. Galburt 2663-Pos Board B209 RNA POLYMERASE DYNAMICS AND OTHER SINGLE-MOLECULE CONTIN- UOUS TIME PROBLEMS. Zeliha Kilic , Ioannis Sgouralis, Steve Pressé 2664-Pos Board B210 FREQUENCY SPECTRUM OF CHEMICAL FLUCTUATION: A PROBE OF REACTION MECHANISM AND DYNAMICS. Sanggeun Song , Gil-Suk Yang, Seong Jun Park, Sungguan Hong, Ji-Hyun Kim, Jaeyoung Sung 2665-Pos Board B211 INTERACTION BETWEEN TRANSCRIPTION AND TRANSLATION MACHIN- ERIES ON A NASCENT RNA WITH HIGHER ORDER STRUCTURE. Surajit Chatterjee , Adrien Chauvier, Nils G. Walter 2666-Pos Board B212 ENHANCER RNA TRANSCRIPTION DYNAMICS IN SINGLE CELLS. Gable M. Wadsworth , Joseph Rodriguez 2667-Pos Board B213 USING MULTI-FOCUS MICROSCOPY TO CAPTURE TRANSCRIPTIONAL DYNAMICS AT THE SECOND TIMESCALE. Robert I. Shelansky , Hinrich Boeger, Sara Abrahamson 2668-Pos Board B214 SINGLE-MOLECULE NANOSCOPY OF RNA POLYMERASE II, POL II CO- FACTORS, CHROMATIN REGULATORS AND GENOME ORGANIZATION IN LIVE CELLS. Alexandros Pertsinidis 2669-Pos Board B215 REAL-TIME IMAGING OF TRANSCRIPTION AND TRANSPORT OF SINGLE ARC MRNA IN LIVE NEURONS. Hyungseok C. Moon , Sulagna Das, Robert H. Singer, Hye Yoon Park 2670-Pos Board B216 THE MOLECULAR BIOPHYSICS OF ADAPTATION. Griffin Chure , Rob Phil- lips 2671-Pos Board B217 SINGLE-MOLECULE TRACKING OF TRANSCRIPTIONAL AND TRANSLA- TIONAL MACHINERY IN STATIONARY PHASE E.COLI . Yanyu Zhu , Mainak Mustafi, James C. Weisshaar

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