HEADER PROTEIN FIBRIL 27-FEB-26 28YD TITLE K1R - HEXAGONALLY ORDERED NANOFIBRIL COMPND MOL_ID: 1; COMPND 2 MOLECULE: K1R HEXAGONALLY ORDERED NANOFIBRIL; COMPND 3 CHAIN: m, n, o, p, q, r, A, B, C, D, E, F, a, b, c, d, e, f; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 4 ORGANISM_TAXID: 32630 KEYWDS HONEY ASAP, AMYLOID, NANOFIBRILS, PROTEIN FIBRIL EXPDTA ELECTRON MICROSCOPY AUTHOR F.MAZZOTTA,F.BONNICEL,I.LIEBERWIRTH,K.LANDFESTER REVDAT 1 21-OCT-26 28YD 0 JRNL AUTH J.GACANIN,F.MAZZOTTA,L.A.BAPTISTA,N.STOYANOV,M.SCHMIDT, JRNL AUTH 2 N.ALLEVA,T.THUMMARAJ,F.BONNICEL,C.ZHOU,L.GAO,J.MUNCH,M.BONN, JRNL AUTH 3 M.FANDRICH,I.LIEBERWIRTH,R.CORTES-HUERTO,K.LANDFESTER,T.WEIL JRNL TITL SEQUENCE-ENCODED HEXAGONAL LATTICES IN MULTICHANNEL PEPTIDE JRNL TITL 2 NANOFIBRILS. JRNL REF NATURE V. 657 935 2026 JRNL REFN ESSN 1476-4687 JRNL PMID 42778700 JRNL DOI 10.1038/S41586-026-11016-2 REMARK 2 REMARK 2 RESOLUTION. 3.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : RELION, CTFFIND, RELION REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 9H7U REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 3.700 REMARK 3 NUMBER OF PARTICLES : 82105 REMARK 3 CTF CORRECTION METHOD : NONE REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 28YD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 04-MAR-26. REMARK 100 THE DEPOSITION ID IS D_1292154680. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : HELICAL REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : HELICAL ARRAY REMARK 245 PARTICLE TYPE : HELICAL REMARK 245 NAME OF SAMPLE : SYNTHETIC PEPTIDE REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 1.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.40 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS TITAN THEMIS REMARK 245 DETECTOR TYPE : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1000.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 3000.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 1161.85 REMARK 245 ILLUMINATION MODE : OTHER REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: 18-MERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: 18-MERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: m, n, o, p, q, r, A, B, C, D, REMARK 350 AND CHAINS: E, F, a, b, c, d, e, f REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 9H7U RELATED DB: PDB REMARK 900 RELATED ID: EMD-56959 RELATED DB: EMDB REMARK 900 K1R - HEXAGONALLY ORDERED NANOFIBRIL DBREF 28YD m 1 9 PDB 28YD 28YD 1 9 DBREF 28YD n 10 18 PDB 28YD 28YD 10 18 DBREF 28YD o 19 27 PDB 28YD 28YD 19 27 DBREF 28YD p 28 36 PDB 28YD 28YD 28 36 DBREF 28YD q 37 45 PDB 28YD 28YD 37 45 DBREF 28YD r 46 54 PDB 28YD 28YD 46 54 DBREF 28YD A 55 63 PDB 28YD 28YD 55 63 DBREF 28YD B 64 72 PDB 28YD 28YD 64 72 DBREF 28YD C 73 81 PDB 28YD 28YD 73 81 DBREF 28YD D 82 90 PDB 28YD 28YD 82 90 DBREF 28YD E 91 99 PDB 28YD 28YD 91 99 DBREF 28YD F 100 108 PDB 28YD 28YD 100 108 DBREF 28YD a 109 117 PDB 28YD 28YD 109 117 DBREF 28YD b 118 126 PDB 28YD 28YD 118 126 DBREF 28YD c 127 135 PDB 28YD 28YD 127 135 DBREF 28YD d 136 144 PDB 28YD 28YD 136 144 DBREF 28YD e 145 153 PDB 28YD 28YD 145 153 DBREF 28YD f 154 162 PDB 28YD 28YD 154 162 SEQRES 1 m 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 n 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 o 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 p 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 q 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 r 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 A 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 B 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 C 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 D 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 E 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 F 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 a 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 b 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 c 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 d 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 e 9 ARG VAL LYS VAL SER GLN ILE ASN MET SEQRES 1 f 9 ARG VAL LYS VAL SER GLN ILE ASN MET SHEET 1 AA1 3 VAL m 2 ASN m 8 0 SHEET 2 AA1 3 VAL A 56 ASN A 62 1 O VAL A 58 N SER m 5 SHEET 3 AA1 3 VAL a 110 ASN a 116 1 O VAL a 112 N SER A 59 SHEET 1 AA2 3 VAL n 11 ASN n 17 0 SHEET 2 AA2 3 VAL B 65 ASN B 71 1 O VAL B 67 N LYS n 12 SHEET 3 AA2 3 VAL b 119 ASN b 125 1 O VAL b 121 N LYS B 66 SHEET 1 AA3 3 VAL o 20 ASN o 26 0 SHEET 2 AA3 3 VAL C 74 ASN C 80 1 O VAL C 76 N SER o 23 SHEET 3 AA3 3 VAL c 128 ASN c 134 1 O VAL c 130 N SER C 77 SHEET 1 AA4 3 VAL p 29 ASN p 35 0 SHEET 2 AA4 3 VAL D 83 ASN D 89 1 O ASN D 89 N ILE p 34 SHEET 3 AA4 3 VAL d 137 ASN d 143 1 O ASN d 143 N ILE D 88 SHEET 1 AA5 3 VAL q 38 ILE q 43 0 SHEET 2 AA5 3 VAL E 92 ILE E 97 1 O VAL E 92 N LYS q 39 SHEET 3 AA5 3 VAL e 146 ILE e 151 1 O VAL e 146 N LYS E 93 SHEET 1 AA6 3 VAL r 47 ASN r 53 0 SHEET 2 AA6 3 VAL F 101 ASN F 107 1 O GLN F 105 N SER r 50 SHEET 3 AA6 3 VAL f 155 ASN f 161 1 O GLN f 159 N SER F 104 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MASTER 100 0 0 0 18 0 0 6 1332 18 0 18 END