Biophysical Society 62nd Annual Meeting | Program Guide

2238-Pos Board B254 SELECTIVE INTERACTION OF COLISTIN WITH LIPID MODEL MEM- BRANES. Fernando G. Dupuy, Isabella Pagano, Kathryn Andenoro, Maria F. Peralta, Yasmene Elhady, Frank Heinrich, Stephanie Tristram-Nagle 2239-Pos Board B255 ADSORPTION OF POLYENE ANTIBIOTICS ON SUPPORTED LIPID BILAYERS OF DIFFERENT LIPID COMPOSITIONS. Arturo Galván-Hernández , Iván Ortega-Blake 2240-Pos Board B256 AN EXACT MODEL OF DAPTOMYCIN BINDING TO LIPID BILAYERS: AN UPDATE. Antje Pokorny , Tala O. Khatib 2241-Pos Board B257 HOW DOES THE MEMBRANE-ACTIVE ANTIBIOTIC DAPTOMYCIN WORK? Huey W. Huang , Nicholas E. Charron, Ming-Tao Lee, Meng-Hsuan Hsieh, Yu-Yung Chang 2242-Pos Board B258 MEMBRANE SELECTIVITY OF AN ANTIMICROBIAL LIPOPEPTIDE USING MOLECULAR DYNAMICS SIMULATIONS. Sreyoshi Sur , Alan Grossfield 2243-Pos Board B259 SYNERGISTIC ACTION OF FUNGICIDAL LIPOPEPTIDES AS A MECHANISM OF TARGET MEMBRANE SELECTIVITY. Lisa Dietel , Quang Huynh, Sebas- tian Fiedler, Heiko Heerklotz 2244-Pos Board B260 MOLECULAR MECHANISM OF SYNERGY BETWEEN THE ANTIMICROBIAL PEPTIDES PGLA AND MAGAININ 2 IN MEMBRANES. Erik Strandberg , Jonathan Zerweck, Parvesh Wadhwani, Johannes Reichert, Jochen Bürck, Anne S. Ulrich 2245-Pos Board B261 SYSTEMATIC ANALYSIS OF HYBRID ANTIMICROBIAL PEPTIDES. Heidi M. Wade , Louise E. O. Darling, Donald E. Elmore 2246-Pos Board B262 AGGREGATION VS. FUSION OF NEGATIVELY CHARGED LIPID BILAYERS IN- DUCED BY BACTENECIN AND MAGAININ DERIVATIVES. Mojtaba Bagheri 2247-Pos Board B263 CONFORMATIONS AND DYNAMIC TRANSITIONS OF A MELITTIN DERIVA- TIVE IN LIPID BILAYER. Anna E. Pittman , Gavin M. King 2248-Pos Board B264 DYNAMIC MEMBRANE BOUND STRUCTURES OF MELITTIN AND ALAM- ETHICIN AS REVEALED BY SOLID-STATE NMR AND MD SIMULATION. Akira Naito , Takashi Nagao, Kazushi Norisada, Namsrai Javkhlantugs, Daisuke Mishima, Izuru Kawamura, Kazuyoshi Ueda 2249-Pos Board B265 IMPACT OF METALLATION AND OXIDIZED LIPIDS ON THE STRUCTURE AND MEMBRANE DISRUPTIVE EFFECTS OF HOST DEFENSE PEPTIDES PISCIDIN 1 AND PISCIDIN 3. Myriam Cotten , Ella Mihailescu, Anna De Angelis, Ratan Rai, Dana Moore, Yawei Xiong, Alfredo Angeles-Boza, Stanley Opella 2250-Pos Board B266 UNRAVELING THE ROLE OF PEPTIDOGLYCAN IN THE INTERACTION OF ANTIMICROBIAL PEPTIDES BP100 AND MSI-78 WITH BACTERIAL CELL ENVELOPES THROUGH 2 H NMR EXPERIMENTS. Nury Paula Santisteban, Michael Morrow, Valerie Booth 2251-Pos Board B267 GRAMICIDIN SUBUNITS THAT CROSS MEMBRANES AND FORM ION CHANNELS. Matthew Brownd , Matthew J. McKay, Denise V. Greathouse, Olaf S. Andersen, Roger E. Koeppe

2252-Pos Board B268 LIPID INTERDIGITATION PROMOTES THERMAL STABILIZATION OF LIPID POLYMORPHISMS INDUCED BY SURFACTANT PEPTIDE B 1-25 . Nhi T. Tran , Justin Kurian, Avni Bhatt, Gail E. Fanucci, Joanna R. Long 2253-Pos Board B269 INFLUENCE OF SATURATION AND HYDROPHOBIC LENGTH OF LIPID BILAYERS ON TWIN-ARGININE CONTAINING HELICAL PEPTIDES. Karli A. Lipinski , Ashley N. Martfeld, Denise V. Greathouse, Roger E. Koeppe II 2254-Pos Board B270 LYSINE POSITION AFFECTS BINDING OF AIB-RICH MODEL ANTIBIOTICS TO LIPID VESICLES.  Jack M. Geiger , Adrienne Loh 2255-Pos Board B271 UNDERSTANDING THE EFFECT OF CATIONIC RESIDUE IDENTITY ON LIPID INTERACTIONS OF TRANSLOCATING ANTIMICROBIAL PEPTIDES. Shelby N. Kranc , Donald E. Elmore 2256-Pos Board B272 HYDROPHOBIC INTERACTIONS MODULATE PEPTIDE CELL SPECIFIC- ITY. Konstantin Andreev, Michael W. Martynowycz, Mia L. Huang, Kent Kirshenbaum, David Gidalevitz 2257-Pos Board B273 DEVELOPMENT OF NOVEL ANTIMICROBIAL PEPTIDES WITH IMPROVED HEMOCOMPATIBILITY VIA COMBINATORIAL LIBRARY SCREENING AND RATIONAL ENGINEERING. Charles G. Starr , William C. Wimley 2258-Pos Board B274 POPULATION DYNAMICS OF ANTIMICROBIAL PEPTIDES AND BACTE- RIA. Paul Talledo , Mehdi Snoussi, Nathan Del Rosario, Bae-Yeun Ha, Andrej Košmrlj, Sattar Taheri-Araghi 2259-Pos Board B275 FIRST EXAMPLE OF KINETIC MODELLING OF MULTI-STATE MEMBRANE BINDING, EXAPNSION AND DISRUPTION FOR AN ANTIMICROBIAL PEP- TIDE. Mibel Aguilar , Daniel Hirst, Tzong-Hsien Lee 2260-Pos Board B276 CHARACTERIZING CHANGES IN ANTIMICROBIAL PEPTIDE MECHANISM AGAINST DIFFERENT BACTERIAL STRAINS. Katrina P. Montales , Heidi M. Wade, Dania M. Figueroa, Louise E. O. Darling, Donald E. Elmore 2261-Pos Board B277 EXPLORING CONFORMATIONS OF THE TEIXOBACTIN-LIPID II COMPLEX IN MEMBRANE. Po-Chao Wen , Juan M. Vanegas, Susan B. Rempe, Emad Tajkhorshid 2262-Pos Board B278 MACROMOLECULAR CROWDING EFFECTS ON ENERGETIC RESIDUE CON- TRIBUTIONS TO PEPTIDE-NUCLEIC ACID INTERACTIONS. Carla P. Perez , Donald E. Elmore, Mala L. Radhakrishnan 2263-Pos Board B279 EFFECTS OF MACROMOLECULAR CROWDING ON ANTIMICROBIAL PEPTIDE ACTIVITY. Hannah B. Schmidt , Mala L. Radhakrishnan, Donald E. Elmore General Protein-Lipid Interactions II (Boards B280–B303) 2264-Pos Board B280 SANS OBSERVATION OF PRECRYSTALLIZATION INTERMEDIATES OF BACTE- RIORHODOPSIN IN THE LIPIDIC CUBIC PHASE. Thomas Edgar Cleveland , Paul Butler

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