1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Sonani, R.R. Schremmer, Z.P. Nilsson, B.L. Egelman, E.H. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 90.00 90.00 90.00 1.00 1.00 1.00 C2 H4 O 44.053 ACETYL GROUP non-polymer C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking H2 N 16.023 AMINO GROUP non-polymer 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 C N 2 N O N 3 N C N 4 N H N 5 N H N 6 N H N 7 N H N 8 N N N 9 S C N 10 N C N 11 N O N 12 N C N 13 N C N 14 N C N 15 N O N 16 N O N 17 N O N 18 N H N 19 N H N 20 N H N 21 N H N 22 N H N 23 N H N 24 N H N 25 N H N 26 N H N 27 N N N 28 S C N 29 N C N 30 N O N 31 N C N 32 N C N 33 N C N 34 N C N 35 N N N 36 N O 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 H N 47 N H N 48 N H N 49 N H N 50 N H N 51 N H N 52 N N N 53 N H N 54 N H N 55 N N N 56 S C N 57 N C N 58 N O N 59 N C Y 60 N C Y 61 N C Y 62 N C Y 63 N C Y 64 N C Y 65 N C N 66 N O N 67 N H N 68 N H N 69 N H N 70 N H N 71 N H N 72 N H N 73 N H N 74 N H N 75 N H N 76 N H N 77 N H N 78 N N N 79 S C N 80 N C N 81 N O N 82 N C N 83 N O N 84 N O 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 1 N doub N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N sing N 8 N sing N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N doub N 14 N sing N 15 N sing N 16 N sing N 17 N sing N 18 N sing N 19 N sing N 20 N sing N 21 N doub 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 sing N 29 N sing N 30 N sing N 31 N doub 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 sing 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 doub N 58 N sing N 59 N sing N 60 N sing N 61 N sing Y 62 N doub Y 63 N sing Y 64 N sing N 65 N sing Y 66 N doub N 67 N sing Y 68 N doub N 69 N sing Y 70 N sing 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 doub N 81 N sing N 82 N sing N 83 N sing N 84 N sing N 85 N sing N 86 N sing To Be Published 0353 SFX11 peptide nanofibril 10.2210/pdb9pej/pdb pdb_00009pej 9PEJ 182400 4.1 FSC 0.143 CUT-OFF HELICAL REL 2025-07-02 RCSB 2026-07-22 2026-07-22 SFX11 peptide nanofibril 7 1 PHASE FLIPPING AND AMPLITUDE CORRECTION 1 Helical oligomer of SFX11 peptides 0 RECOMBINANT COMPLEX 32630 synthetic construct 32630 synthetic construct HELICAL ARRAY 1 1 HELICAL -4.3 4.7 C2 50 GATAN K3 (6k x 4k) 300 FIELD EMISSION GUN FLOOD BEAM TFS KRIOS BRIGHT FIELD 2400 1200 1 PARTICLE SELECTION 1 cryoSPARC MODEL REFINEMENT PHENIX 1.20.1_4487: IMAGE ACQUISITION 1 1 1 MASKING 1 1 1 CTF CORRECTION 1 LAYERLINE INDEXING 1 1 1 DIFFRACTION INDEXING 1 1 1 MODEL FITTING 1 1 1 OTHER 1 1 1 INITIAL EULER ASSIGNMENT 1 FINAL EULER ASSIGNMENT 1 CLASSIFICATION 1 RECONSTRUCTION 1 cryoSPARC NO NO NO YES ETHANE 9PEJ 1408.577 SFX11 peptide 6 syn polymer no yes (ACE)SEFKFSFEFKS(NH2) XSEFKFSFEFKSX B,K,D,M,E,N polypeptide(L) n n n n n n n n n n n n n repository Initial release repository Initial release repository Initial release repository Initial release repository Initial release repository Initial release repository Initial release 1 0 2026-07-22 1 0 2026-07-22 1 0 1 2026-07-22 1 0 1 2026-07-22 1 0 2 2026-07-22 1 0 2026-07-22 1 0 2026-07-22 United States National Science Foundation (NSF, United States) NSF 2304854 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) GM122510 ehe2n@virginia.edu 0000-0003-4844-5212 Edward Egelman H. principal investigator/group leader SFX11 peptide nanofibril N RCSB Y RCSB 2025-07-02 REL 32630 synthetic construct sample 1 13 N Y B ACE 0 Terminal acetylation A ACE 1 B SER 1 SER A SER 2 1_555 ACE 6 1_555 None K ACE 0 Terminal acetylation B ACE 1 K SER 1 SER B SER 2 1_555 ACE 6 1_555 None D ACE 0 Terminal acetylation C ACE 1 D SER 1 SER C SER 2 1_555 ACE 6 1_555 None M ACE 0 Terminal acetylation D ACE 1 M SER 1 SER D SER 2 1_555 ACE 6 1_555 None E ACE 0 Terminal acetylation E ACE 1 E SER 1 SER E SER 2 1_555 ACE 6 1_555 None N ACE 0 Terminal acetylation F ACE 1 N SER 1 SER F SER 2 1_555 ACE 6 1_555 None B NH2 12 Terminal amidation A NH2 13 B SER 11 SER A SER 12 1_555 NH2 6 1_555 None K NH2 12 Terminal amidation B NH2 13 K SER 11 SER B SER 12 1_555 NH2 6 1_555 None D NH2 12 Terminal amidation C NH2 13 D SER 11 SER C SER 12 1_555 NH2 6 1_555 None M NH2 12 Terminal amidation D NH2 13 M SER 11 SER D SER 12 1_555 NH2 6 1_555 None E NH2 12 Terminal amidation E NH2 13 E SER 11 SER E SER 12 1_555 NH2 6 1_555 None N NH2 12 Terminal amidation F NH2 13 N SER 11 SER F SER 12 1_555 NH2 6 1_555 None S4O 1 n 1 ACE 0 B S4O 1 n 2 SER 1 B GLU 2 n 3 GLU 2 B PHE 3 n 4 PHE 3 B LYS 4 n 5 LYS 4 B PHE 5 n 6 PHE 5 B SER 6 n 7 SER 6 B PHE 7 n 8 PHE 7 B GLU 8 n 9 GLU 8 B PHE 9 n 10 PHE 9 B LYS 10 n 11 LYS 10 B S0X 11 n 12 SER 11 B S0X 11 n 13 NH2 12 B S4O 1 n 1 ACE 0 K S4O 1 n 2 SER 1 K GLU 2 n 3 GLU 2 K PHE 3 n 4 PHE 3 K LYS 4 n 5 LYS 4 K PHE 5 n 6 PHE 5 K SER 6 n 7 SER 6 K PHE 7 n 8 PHE 7 K GLU 8 n 9 GLU 8 K PHE 9 n 10 PHE 9 K LYS 10 n 11 LYS 10 K S0X 11 n 12 SER 11 K S0X 11 n 13 NH2 12 K S4O 1 n 1 ACE 0 D S4O 1 n 2 SER 1 D GLU 2 n 3 GLU 2 D PHE 3 n 4 PHE 3 D LYS 4 n 5 LYS 4 D PHE 5 n 6 PHE 5 D SER 6 n 7 SER 6 D PHE 7 n 8 PHE 7 D GLU 8 n 9 GLU 8 D PHE 9 n 10 PHE 9 D LYS 10 n 11 LYS 10 D S0X 11 n 12 SER 11 D S0X 11 n 13 NH2 12 D S4O 1 n 1 ACE 0 M S4O 1 n 2 SER 1 M GLU 2 n 3 GLU 2 M PHE 3 n 4 PHE 3 M LYS 4 n 5 LYS 4 M PHE 5 n 6 PHE 5 M SER 6 n 7 SER 6 M PHE 7 n 8 PHE 7 M GLU 8 n 9 GLU 8 M PHE 9 n 10 PHE 9 M LYS 10 n 11 LYS 10 M S0X 11 n 12 SER 11 M S0X 11 n 13 NH2 12 M S4O 1 n 1 ACE 0 E S4O 1 n 2 SER 1 E GLU 2 n 3 GLU 2 E PHE 3 n 4 PHE 3 E LYS 4 n 5 LYS 4 E PHE 5 n 6 PHE 5 E SER 6 n 7 SER 6 E PHE 7 n 8 PHE 7 E GLU 8 n 9 GLU 8 E PHE 9 n 10 PHE 9 E LYS 10 n 11 LYS 10 E S0X 11 n 12 SER 11 E S0X 11 n 13 NH2 12 E S4O 1 n 1 ACE 0 N S4O 1 n 2 SER 1 N GLU 2 n 3 GLU 2 N PHE 3 n 4 PHE 3 N LYS 4 n 5 LYS 4 N PHE 5 n 6 PHE 5 N SER 6 n 7 SER 6 N PHE 7 n 8 PHE 7 N GLU 8 n 9 GLU 8 N PHE 9 n 10 PHE 9 N LYS 10 n 11 LYS 10 N S0X 11 n 12 SER 11 N S0X 11 n 13 NH2 12 N author_and_software_defined_assembly 6 hexameric 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 K N LYS 4 B N LYS 5 M O PHE 5 D O PHE 6 1 B B C O SER SER 1 1 0.172 0.019 1.229 1.401 N 1 B B C O SER SER 11 11 0.172 0.019 1.229 1.401 N 1 K K C O SER SER 1 1 0.172 0.019 1.229 1.401 N 1 K K C O SER SER 11 11 0.171 0.019 1.229 1.400 N 1 D D C O SER SER 1 1 0.172 0.019 1.229 1.401 N 1 D D C O SER SER 11 11 0.173 0.019 1.229 1.402 N 1 M M C O SER SER 1 1 0.172 0.019 1.229 1.401 N 1 M M C O SER SER 11 11 0.171 0.019 1.229 1.400 N 1 E E C O SER SER 1 1 0.171 0.019 1.229 1.400 N 1 E E C O SER SER 11 11 0.172 0.019 1.229 1.401 N 1 N N C O SER SER 1 1 0.172 0.019 1.229 1.401 N 1 N N C O SER SER 11 11 0.172 0.019 1.229 1.401 N 1 M SER 6 -140.86 57.17 1 E PHE 9 59.98 71.03 1 N SER 6 -140.36 54.64 0.005 1050 1.535 1370 38.726 220 0.290 110 0.004 180 N SFX11 peptide nanofibril 1 N N 1 N N 1 N N 1 N N 1 N N 1 N N covale 1.452 both B ACE 0 A C ACE 1 1_555 B SER 1 A N SER 2 1_555 covale 1.453 both B SER 11 A C SER 12 1_555 B NH2 12 A N NH2 13 1_555 covale 1.452 both K ACE 0 B C ACE 1 1_555 K SER 1 B N SER 2 1_555 covale 1.453 both K SER 11 B C SER 12 1_555 K NH2 12 B N NH2 13 1_555 covale 1.451 both D ACE 0 C C ACE 1 1_555 D SER 1 C N SER 2 1_555 covale 1.454 both D SER 11 C C SER 12 1_555 D NH2 12 C N NH2 13 1_555 covale 1.452 both M ACE 0 D C ACE 1 1_555 M SER 1 D N SER 2 1_555 covale 1.452 both M SER 11 D C SER 12 1_555 M NH2 12 D N NH2 13 1_555 covale 1.451 both E ACE 0 E C ACE 1 1_555 E SER 1 E N SER 2 1_555 covale 1.451 both E SER 11 E C SER 12 1_555 E NH2 12 E N NH2 13 1_555 covale 1.456 both N ACE 0 F C ACE 1 1_555 N SER 1 F N SER 2 1_555 covale 1.451 both N SER 11 F C SER 12 1_555 N NH2 12 F N NH2 13 1_555 PROTEIN FIBRIL Short peptide, Cross beta, Nanofibril, PROTEIN FIBRIL 9PEJ PDB 1 1 9PEJ 0 12 9PEJ 0 12 9PEJ B 1 1 13 0 12 9PEJ 0 12 9PEJ K 1 1 13 0 12 9PEJ 0 12 9PEJ D 1 1 13 0 12 9PEJ 0 12 9PEJ M 1 1 13 0 12 9PEJ 0 12 9PEJ E 1 1 13 0 12 9PEJ 0 12 9PEJ N 1 1 13 2 parallel K LYS 4 B LYS 5 K PHE 5 B PHE 6 M LYS 4 D LYS 5 M PHE 5 D PHE 6 1 P 1