1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Ragonis-Bachar, P. Strati, F. Gustavsson, E. Khokhlov, A. Barnea, E. Rayan, B. Upchr, A. Landau, M. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 90.00 90.00 90.00 1.00 1.00 1.00 C3 H7 N O2 89.093 y ALANINE L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking N 1 N N N 2 S C N 3 N C N 4 N O N 5 N C N 6 N O N 7 N H N 8 N H N 9 N H N 10 N H N 11 N H N 12 N H N 13 N H N 14 N N N 15 N C N 16 N C N 17 N O N 18 N O N 19 N H N 20 N H N 21 N H N 22 N H N 23 N H N 24 N N N 25 S C N 26 N C N 27 N O N 28 S C N 29 N C N 30 N C N 31 N C N 32 N O N 33 N H N 34 N H N 35 N H N 36 N H N 37 N H N 38 N H N 39 N H N 40 N H N 41 N H N 42 N H N 43 N H N 44 N H N 45 N H N 46 N N N 47 S C N 48 N C N 49 N O N 50 N C N 51 N C N 52 N C N 53 N C N 54 N O N 55 N H N 56 N H N 57 N H N 58 N H N 59 N H N 60 N H N 61 N H N 62 N H N 63 N H N 64 N H N 65 N H N 66 N H N 67 N H N 68 N N N 69 S C N 70 N C N 71 N O N 72 N C N 73 N C N 74 N C N 75 N C N 76 N N N 77 N O N 78 N H N 79 N H N 80 N H N 81 N H N 82 N H N 83 N H N 84 N H N 85 N H N 86 N H N 87 N H N 88 N H N 89 N H N 90 N H N 91 N H N 92 N H N 93 N N N 94 S C N 95 N C N 96 N O N 97 N C Y 98 N C Y 99 N C Y 100 N C Y 101 N C Y 102 N C Y 103 N C N 104 N O N 105 N H N 106 N H N 107 N H N 108 N H N 109 N H N 110 N H N 111 N H N 112 N H N 113 N H N 114 N H N 115 N H N 116 N N N 117 S C N 118 N C N 119 N O N 120 N C N 121 N O N 122 N O N 123 N H N 124 N H N 125 N H N 126 N H N 127 N H N 128 N H N 129 N H N 1 N sing N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N doub N 8 N sing N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N sing N 14 N sing N 15 N sing N 16 N sing N 17 N sing N 18 N sing N 19 N doub N 20 N sing N 21 N sing N 22 N sing N 23 N sing N 24 N sing N 25 N sing N 26 N sing N 27 N sing N 28 N doub N 29 N sing N 30 N sing N 31 N sing N 32 N sing N 33 N sing N 34 N sing N 35 N sing N 36 N sing N 37 N sing N 38 N sing N 39 N sing N 40 N sing N 41 N sing N 42 N sing N 43 N sing N 44 N sing N 45 N sing N 46 N sing N 47 N sing N 48 N sing N 49 N doub N 50 N sing N 51 N sing N 52 N sing N 53 N sing N 54 N sing N 55 N sing N 56 N sing N 57 N sing N 58 N sing N 59 N sing N 60 N sing N 61 N sing N 62 N sing N 63 N sing N 64 N sing N 65 N sing N 66 N sing N 67 N sing N 68 N sing N 69 N sing N 70 N doub N 71 N sing N 72 N sing N 73 N sing N 74 N sing N 75 N sing N 76 N sing N 77 N sing N 78 N sing N 79 N sing N 80 N sing N 81 N sing N 82 N sing N 83 N sing N 84 N sing N 85 N sing N 86 N sing N 87 N sing N 88 N sing N 89 N sing N 90 N sing N 91 N sing N 92 N sing N 93 N sing N 94 N doub N 95 N sing N 96 N sing N 97 N sing N 98 N sing Y 99 N doub Y 100 N sing Y 101 N sing N 102 N sing Y 103 N doub N 104 N sing Y 105 N doub N 106 N sing Y 107 N sing N 108 N sing N 109 N sing N 110 N sing N 111 N sing N 112 N sing N 113 N sing N 114 N sing N 115 N sing N 116 N sing N 117 N doub N 118 N sing N 119 N sing N 120 N sing N 121 N sing N 122 N sing N 123 N sing To Be Published 0353 Amyloidogenic Nature and Structural Polymorphism of Antimicrobial, Virulent and Defense Peptides 10.2210/pdb9s7p/pdb pdb_00009s7p FLEXIBLE FIT De novo generated in Coot Other other 9S7P 498395 2.17 FSC 0.143 CUT-OFF HELICAL REL 2025-08-05 PDBE 2026-08-26 2026-08-26 Cryo-EM structure of amyloidogenic antimicrobial peptide Brevinin-1OKc polymorph 1 in PBS pH 6.5 1xPBS pH 6.5 from Sigma Aldrich 6.5 1 PHASE FLIPPING AND AMPLITUDE CORRECTION 1 Brevinin-1OKc 0 NATURAL COMPLEX NO 156870 Nidirana okinavana FILAMENT 1 1 HELICAL 59.49 1.6 C2 50 GATAN K3 BIOQUANTUM (6k x 4k) 300 NITROGEN FIELD EMISSION GUN FLOOD BEAM TFS KRIOS BRIGHT FIELD 2000 500 FEI TITAN KRIOS AUTOGRID HOLDER 1 1523940 PARTICLE SELECTION 1 Topaz IMAGE ACQUISITION 1 EPU MASKING CTF CORRECTION 1 CTFFIND 4.1 LAYERLINE INDEXING DIFFRACTION INDEXING MODEL FITTING 1 Coot 0.9.8.92 OTHER MODEL REFINEMENT 1 Servalcat INITIAL EULER ASSIGNMENT 1 RELION 5 FINAL EULER ASSIGNMENT 1 RELION 5 CLASSIFICATION 1 RELION 5 RECONSTRUCTION 1 RELION 5 This sample was fibrillated in PBS pH 6.5 NO NO NO YES 298 ETHANE-PROPANE 9S7P 95 FEI VITROBOT MARK IV 1124.353 Brevinin-1OKc 18 syn polymer no no FFGSIIGALAK FFGSIIGALAK G,H,I,J,K,L,A,B,C,D,E,F,M,N,O,P,Q,R polypeptide(L) n n n n n n n n n n n repository Initial release repository Initial release 1 0 2026-08-26 1 0 2026-08-26 European Union European Research Council (ERC) 101087140 Israel Israel Science Foundation 2111/20 Germany Volkswagen Foundation 76251-4659/2022 (ZN 4042) Germany German Research Foundation (DFG) 152/772-1 Germany German Research Foundation (DFG) 152/774-1 Germany German Research Foundation (DFG) 152/775-1 Germany German Research Foundation (DFG) 152/776-1 Germany German Research Foundation (DFG) 152/777-1 FUGG meytal.landau@cssb-hamburg.de 0000-0002-1743-3430 Meytal Landau principal investigator/group leader Cryo-EM structure of amyloidogenic antimicrobial peptide Brevinin-1OKc polymorph 1 in PBS pH 6.5 N PDBE Y PDBE 2025-08-05 REL 156870 Kampira Falls frog Nidirana okinavana sample 1 11 N Other other PHE 1 n 1 PHE 1 G PHE 2 n 2 PHE 2 G GLY 3 n 3 GLY 3 G SER 4 n 4 SER 4 G ILE 5 n 5 ILE 5 G ILE 6 n 6 ILE 6 G GLY 7 n 7 GLY 7 G ALA 8 n 8 ALA 8 G LEU 9 n 9 LEU 9 G ALA 10 n 10 ALA 10 G LYS 11 n 11 LYS 11 G PHE 1 n 1 PHE 1 H PHE 2 n 2 PHE 2 H GLY 3 n 3 GLY 3 H SER 4 n 4 SER 4 H ILE 5 n 5 ILE 5 H ILE 6 n 6 ILE 6 H GLY 7 n 7 GLY 7 H ALA 8 n 8 ALA 8 H LEU 9 n 9 LEU 9 H ALA 10 n 10 ALA 10 H LYS 11 n 11 LYS 11 H PHE 1 n 1 PHE 1 I PHE 2 n 2 PHE 2 I GLY 3 n 3 GLY 3 I SER 4 n 4 SER 4 I ILE 5 n 5 ILE 5 I ILE 6 n 6 ILE 6 I GLY 7 n 7 GLY 7 I ALA 8 n 8 ALA 8 I LEU 9 n 9 LEU 9 I ALA 10 n 10 ALA 10 I LYS 11 n 11 LYS 11 I PHE 1 n 1 PHE 1 J PHE 2 n 2 PHE 2 J GLY 3 n 3 GLY 3 J SER 4 n 4 SER 4 J ILE 5 n 5 ILE 5 J ILE 6 n 6 ILE 6 J GLY 7 n 7 GLY 7 J ALA 8 n 8 ALA 8 J LEU 9 n 9 LEU 9 J ALA 10 n 10 ALA 10 J LYS 11 n 11 LYS 11 J PHE 1 n 1 PHE 1 K PHE 2 n 2 PHE 2 K GLY 3 n 3 GLY 3 K SER 4 n 4 SER 4 K ILE 5 n 5 ILE 5 K ILE 6 n 6 ILE 6 K GLY 7 n 7 GLY 7 K ALA 8 n 8 ALA 8 K LEU 9 n 9 LEU 9 K ALA 10 n 10 ALA 10 K LYS 11 n 11 LYS 11 K PHE 1 n 1 PHE 1 L PHE 2 n 2 PHE 2 L GLY 3 n 3 GLY 3 L SER 4 n 4 SER 4 L ILE 5 n 5 ILE 5 L ILE 6 n 6 ILE 6 L GLY 7 n 7 GLY 7 L ALA 8 n 8 ALA 8 L LEU 9 n 9 LEU 9 L ALA 10 n 10 ALA 10 L LYS 11 n 11 LYS 11 L PHE 1 n 1 PHE 1 A PHE 2 n 2 PHE 2 A GLY 3 n 3 GLY 3 A SER 4 n 4 SER 4 A ILE 5 n 5 ILE 5 A ILE 6 n 6 ILE 6 A GLY 7 n 7 GLY 7 A ALA 8 n 8 ALA 8 A LEU 9 n 9 LEU 9 A ALA 10 n 10 ALA 10 A LYS 11 n 11 LYS 11 A PHE 1 n 1 PHE 1 B PHE 2 n 2 PHE 2 B GLY 3 n 3 GLY 3 B SER 4 n 4 SER 4 B ILE 5 n 5 ILE 5 B ILE 6 n 6 ILE 6 B GLY 7 n 7 GLY 7 B ALA 8 n 8 ALA 8 B LEU 9 n 9 LEU 9 B ALA 10 n 10 ALA 10 B LYS 11 n 11 LYS 11 B PHE 1 n 1 PHE 1 C PHE 2 n 2 PHE 2 C GLY 3 n 3 GLY 3 C SER 4 n 4 SER 4 C ILE 5 n 5 ILE 5 C ILE 6 n 6 ILE 6 C GLY 7 n 7 GLY 7 C ALA 8 n 8 ALA 8 C LEU 9 n 9 LEU 9 C ALA 10 n 10 ALA 10 C LYS 11 n 11 LYS 11 C PHE 1 n 1 PHE 1 D PHE 2 n 2 PHE 2 D GLY 3 n 3 GLY 3 D SER 4 n 4 SER 4 D ILE 5 n 5 ILE 5 D ILE 6 n 6 ILE 6 D GLY 7 n 7 GLY 7 D ALA 8 n 8 ALA 8 D LEU 9 n 9 LEU 9 D ALA 10 n 10 ALA 10 D LYS 11 n 11 LYS 11 D PHE 1 n 1 PHE 1 E PHE 2 n 2 PHE 2 E GLY 3 n 3 GLY 3 E SER 4 n 4 SER 4 E ILE 5 n 5 ILE 5 E ILE 6 n 6 ILE 6 E GLY 7 n 7 GLY 7 E ALA 8 n 8 ALA 8 E LEU 9 n 9 LEU 9 E ALA 10 n 10 ALA 10 E LYS 11 n 11 LYS 11 E PHE 1 n 1 PHE 1 F PHE 2 n 2 PHE 2 F GLY 3 n 3 GLY 3 F SER 4 n 4 SER 4 F ILE 5 n 5 ILE 5 F ILE 6 n 6 ILE 6 F GLY 7 n 7 GLY 7 F ALA 8 n 8 ALA 8 F LEU 9 n 9 LEU 9 F ALA 10 n 10 ALA 10 F LYS 11 n 11 LYS 11 F PHE 1 n 1 PHE 1 M PHE 2 n 2 PHE 2 M GLY 3 n 3 GLY 3 M SER 4 n 4 SER 4 M ILE 5 n 5 ILE 5 M ILE 6 n 6 ILE 6 M GLY 7 n 7 GLY 7 M ALA 8 n 8 ALA 8 M LEU 9 n 9 LEU 9 M ALA 10 n 10 ALA 10 M LYS 11 n 11 LYS 11 M PHE 1 n 1 PHE 1 N PHE 2 n 2 PHE 2 N GLY 3 n 3 GLY 3 N SER 4 n 4 SER 4 N ILE 5 n 5 ILE 5 N ILE 6 n 6 ILE 6 N GLY 7 n 7 GLY 7 N ALA 8 n 8 ALA 8 N LEU 9 n 9 LEU 9 N ALA 10 n 10 ALA 10 N LYS 11 n 11 LYS 11 N PHE 1 n 1 PHE 1 O PHE 2 n 2 PHE 2 O GLY 3 n 3 GLY 3 O SER 4 n 4 SER 4 O ILE 5 n 5 ILE 5 O ILE 6 n 6 ILE 6 O GLY 7 n 7 GLY 7 O ALA 8 n 8 ALA 8 O LEU 9 n 9 LEU 9 O ALA 10 n 10 ALA 10 O LYS 11 n 11 LYS 11 O PHE 1 n 1 PHE 1 P PHE 2 n 2 PHE 2 P GLY 3 n 3 GLY 3 P SER 4 n 4 SER 4 P ILE 5 n 5 ILE 5 P ILE 6 n 6 ILE 6 P GLY 7 n 7 GLY 7 P ALA 8 n 8 ALA 8 P LEU 9 n 9 LEU 9 P ALA 10 n 10 ALA 10 P LYS 11 n 11 LYS 11 P PHE 1 n 1 PHE 1 Q PHE 2 n 2 PHE 2 Q GLY 3 n 3 GLY 3 Q SER 4 n 4 SER 4 Q ILE 5 n 5 ILE 5 Q ILE 6 n 6 ILE 6 Q GLY 7 n 7 GLY 7 Q ALA 8 n 8 ALA 8 Q LEU 9 n 9 LEU 9 Q ALA 10 n 10 ALA 10 Q LYS 11 n 11 LYS 11 Q PHE 1 n 1 PHE 1 R PHE 2 n 2 PHE 2 R GLY 3 n 3 GLY 3 R SER 4 n 4 SER 4 R ILE 5 n 5 ILE 5 R ILE 6 n 6 ILE 6 R GLY 7 n 7 GLY 7 R ALA 8 n 8 ALA 8 R LEU 9 n 9 LEU 9 R ALA 10 n 10 ALA 10 R LYS 11 n 11 LYS 11 R author_and_software_defined_assembly 18 18-meric not applicable electron microscopy 1.0 0.0 0.0 0.0 1.0 0.0 0.0 0.0 1.0 1_555 x,y,z identity operation 0.0 0.0 0.0 A O ILE 5 G O ILE 5 G N ILE 6 A N ILE 6 G N ILE 5 A N ILE 5 M O ILE 6 M O ILE 6 B O ILE 5 H O ILE 5 H N ILE 6 B N ILE 6 H N ILE 5 B N ILE 5 N O ILE 6 N O ILE 6 C O ILE 5 I O ILE 5 I N ILE 6 C N ILE 6 I N ILE 5 C N ILE 5 O O ILE 6 O O ILE 6 D O ILE 5 J O ILE 5 J N ILE 6 D N ILE 6 J N ILE 5 D N ILE 5 P O ILE 6 P O ILE 6 E O ILE 5 K O ILE 5 K N ILE 6 E N ILE 6 K N ILE 5 E N ILE 5 Q O ILE 6 Q O ILE 6 F O ILE 5 L O ILE 5 L N ILE 6 F N ILE 6 L N ILE 5 F N ILE 5 R O ILE 6 R O ILE 6 57.722 0.757 HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS 0.42971 0.42971 2.17 2.17 42654 100.00 6.198 0.137 0.194 MAXIMUM LIKELIHOOD WITH PHASES PARAMETERS FOR MASK CACLULATION 1422 0.007 0.012 1440 0.000 0.015 1548 1.242 1.714 1890 0.471 1.717 3528 6.111 5.000 180 5.746 10.000 234 0.052 0.200 216 0.008 0.020 1512 0.001 0.020 360 5.071 5.476 774 5.071 5.476 774 8.888 9.665 936 8.883 9.676 937 3.620 5.279 666 3.617 5.295 667 6.580 9.567 955 15.492 54.66 3706 15.492 54.63 3704 0.000 0.608 2.360 0 3078 20 100.00 N Cryo-EM structure of amyloidogenic antimicrobial peptide Brevinin-1OKc polymorph 1 in PBS pH 6.5 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N ANTIMICROBIAL PROTEIN Amyloid, Antimicrobial, ANTIMICROBIAL PROTEIN BR1C_NIDOK UNP 1 1 C0HL10 FFGSIIGALAK 1 11 9S7P 1 11 C0HL10 G 1 1 11 1 11 9S7P 1 11 C0HL10 H 1 1 11 1 11 9S7P 1 11 C0HL10 I 1 1 11 1 11 9S7P 1 11 C0HL10 J 1 1 11 1 11 9S7P 1 11 C0HL10 K 1 1 11 1 11 9S7P 1 11 C0HL10 L 1 1 11 1 11 9S7P 1 11 C0HL10 A 1 1 11 1 11 9S7P 1 11 C0HL10 B 1 1 11 1 11 9S7P 1 11 C0HL10 C 1 1 11 1 11 9S7P 1 11 C0HL10 D 1 1 11 1 11 9S7P 1 11 C0HL10 E 1 1 11 1 11 9S7P 1 11 C0HL10 F 1 1 11 1 11 9S7P 1 11 C0HL10 M 1 1 11 1 11 9S7P 1 11 C0HL10 N 1 1 11 1 11 9S7P 1 11 C0HL10 O 1 1 11 1 11 9S7P 1 11 C0HL10 P 1 1 11 1 11 9S7P 1 11 C0HL10 Q 1 1 11 1 11 9S7P 1 11 C0HL10 R 1 1 11 3 3 3 3 3 3 parallel parallel parallel parallel parallel parallel parallel parallel parallel parallel parallel parallel A ILE 5 G ILE 5 A ILE 6 G ILE 6 G ILE 5 A ILE 5 G ILE 6 A ILE 6 M ILE 5 M ILE 5 M ILE 6 M ILE 6 B ILE 5 H ILE 5 B ILE 6 H ILE 6 H ILE 5 B ILE 5 H ILE 6 B ILE 6 N ILE 5 N ILE 5 N ILE 6 N ILE 6 C ILE 5 I ILE 5 C ILE 6 I ILE 6 I ILE 5 C ILE 5 I ILE 6 C ILE 6 O ILE 5 O ILE 5 O ILE 6 O ILE 6 D ILE 5 J ILE 5 D ILE 6 J ILE 6 J ILE 5 D ILE 5 J ILE 6 D ILE 6 P ILE 5 P ILE 5 P ILE 6 P ILE 6 E ILE 5 K ILE 5 E ILE 6 K ILE 6 K ILE 5 E ILE 5 K ILE 6 E ILE 6 Q ILE 5 Q ILE 5 Q ILE 6 Q ILE 6 F ILE 5 L ILE 5 F ILE 6 L ILE 6 L ILE 5 F ILE 5 L ILE 6 F ILE 6 R ILE 5 R ILE 5 R ILE 6 R ILE 6 1 P 1