HEADER PROTEIN FIBRIL 30-APR-25 9R2F TITLE TAU FILAMENTS SEEDED BY AD HOMOGENATE USING 0N3R C322A COMPND MOL_ID: 1; COMPND 2 MOLECULE: ISOFORM FETAL-TAU OF MICROTUBULE-ASSOCIATED PROTEIN TAU; COMPND 3 CHAIN: A, B, C, D, E, F; COMPND 4 SYNONYM: NEUROFIBRILLARY TANGLE PROTEIN,PAIRED HELICAL FILAMENT-TAU, COMPND 5 PHF-TAU; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: MAPT, MAPTL, MTBT1, TAU; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS MAPT, TAU, ALZHEIMER'S DISEASE, RT-QUIC, PROTEIN FIBRIL EXPDTA ELECTRON MICROSCOPY AUTHOR S.LOVESTAM,H.W.S.SCHERES REVDAT 2 22-OCT-25 9R2F 1 JRNL REVDAT 1 11-JUN-25 9R2F 0 JRNL AUTH A.SANTAMBROGIO,S.LOVESTAM,M.A.METRICK THE SECOND,T.LOHR, JRNL AUTH 2 P.XU,N.C.T.GALLAGHER,B.GHETTI,B.CAUGHEY,S.H.W.SCHERES, JRNL AUTH 3 M.VENDRUSCOLO JRNL TITL SERIAL AMPLIFICATION OF TAU FILAMENTS USING ALZHEIMER'S JRNL TITL 2 BRAIN HOMOGENATES AND C322A OR C322S RECOMBINANT TAU. JRNL REF FEBS LETT. V. 599 2768 2025 JRNL REFN ISSN 0014-5793 JRNL PMID 41026859 JRNL DOI 10.1002/1873-3468.70141 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : EPU, RELION REMARK 3 RECONSTRUCTION SCHEMA : BACK PROJECTION REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL 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) : 2.800 REMARK 3 NUMBER OF PARTICLES : 61103 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 9R2F COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 30-APR-25. REMARK 100 THE DEPOSITION ID IS D_1292147281. 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 : FILAMENT REMARK 245 PARTICLE TYPE : HELICAL REMARK 245 NAME OF SAMPLE : MICROTUBULE ASSOCIATE TAU REMARK 245 PROTEIN ASSEMBLED INTO AN REMARK 245 AMYLOID FILAMENT REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.20 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 KRIOS REMARK 245 DETECTOR TYPE : FEI FALCON IV (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 500.00 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 : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 4000.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OD1 ASP A 314 HG SER A 316 1.60 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 VAL A 313 -64.22 -93.11 REMARK 500 SER A 320 71.57 60.70 REMARK 500 GLU A 342 -93.46 -106.07 REMARK 500 LYS A 347 -154.29 -108.85 REMARK 500 ARG A 349 18.47 59.86 REMARK 500 VAL B 313 -61.63 -97.59 REMARK 500 SER B 320 79.44 57.56 REMARK 500 LYS B 321 19.91 58.27 REMARK 500 GLU B 342 -72.97 -101.62 REMARK 500 ARG B 349 18.49 56.67 REMARK 500 SER C 320 78.29 58.98 REMARK 500 GLU C 342 -74.91 -100.18 REMARK 500 ARG C 349 17.83 54.67 REMARK 500 SER D 320 77.64 60.03 REMARK 500 LYS D 321 19.98 55.11 REMARK 500 GLU D 342 -77.74 -99.71 REMARK 500 ARG D 349 18.10 56.36 REMARK 500 SER E 320 76.29 57.93 REMARK 500 GLU E 342 -74.86 -101.28 REMARK 500 ARG E 349 18.26 56.37 REMARK 500 SER F 320 77.07 57.45 REMARK 500 GLU F 342 -75.57 -100.11 REMARK 500 ARG F 349 17.97 55.64 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 310 0.08 SIDE CHAIN REMARK 500 TYR B 310 0.08 SIDE CHAIN REMARK 500 TYR C 310 0.09 SIDE CHAIN REMARK 500 TYR D 310 0.08 SIDE CHAIN REMARK 500 TYR E 310 0.09 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-53527 RELATED DB: EMDB REMARK 900 TAU FILAMENTS SEEDED BY AD HOMOGENATE USING 0N3R C322A DBREF 9R2F A 307 378 UNP P10636 TAU_HUMAN 218 289 DBREF 9R2F B 307 378 UNP P10636 TAU_HUMAN 218 289 DBREF 9R2F C 307 378 UNP P10636 TAU_HUMAN 218 289 DBREF 9R2F D 307 378 UNP P10636 TAU_HUMAN 218 289 DBREF 9R2F E 307 378 UNP P10636 TAU_HUMAN 218 289 DBREF 9R2F F 307 378 UNP P10636 TAU_HUMAN 218 289 SEQADV 9R2F ALA A 322 UNP P10636 CYS 233 ENGINEERED MUTATION SEQADV 9R2F ALA B 322 UNP P10636 CYS 233 ENGINEERED MUTATION SEQADV 9R2F ALA C 322 UNP P10636 CYS 233 ENGINEERED MUTATION SEQADV 9R2F ALA D 322 UNP P10636 CYS 233 ENGINEERED MUTATION SEQADV 9R2F ALA E 322 UNP P10636 CYS 233 ENGINEERED MUTATION SEQADV 9R2F ALA F 322 UNP P10636 CYS 233 ENGINEERED MUTATION SEQRES 1 A 72 GLN ILE VAL TYR LYS PRO VAL ASP LEU SER LYS VAL THR SEQRES 2 A 72 SER LYS ALA GLY SER LEU GLY ASN ILE HIS HIS LYS PRO SEQRES 3 A 72 GLY GLY GLY GLN VAL GLU VAL LYS SER GLU LYS LEU ASP SEQRES 4 A 72 PHE LYS ASP ARG VAL GLN SER LYS ILE GLY SER LEU ASP SEQRES 5 A 72 ASN ILE THR HIS VAL PRO GLY GLY GLY ASN LYS LYS ILE SEQRES 6 A 72 GLU THR HIS LYS LEU THR PHE SEQRES 1 B 72 GLN ILE VAL TYR LYS PRO VAL ASP LEU SER LYS VAL THR SEQRES 2 B 72 SER LYS ALA GLY SER LEU GLY ASN ILE HIS HIS LYS PRO SEQRES 3 B 72 GLY GLY GLY GLN VAL GLU VAL LYS SER GLU LYS LEU ASP SEQRES 4 B 72 PHE LYS ASP ARG VAL GLN SER LYS ILE GLY SER LEU ASP SEQRES 5 B 72 ASN ILE THR HIS VAL PRO GLY GLY GLY ASN LYS LYS ILE SEQRES 6 B 72 GLU THR HIS LYS LEU THR PHE SEQRES 1 C 72 GLN ILE VAL TYR LYS PRO VAL ASP LEU SER LYS VAL THR SEQRES 2 C 72 SER LYS ALA GLY SER LEU GLY ASN ILE HIS HIS LYS PRO SEQRES 3 C 72 GLY GLY GLY GLN VAL GLU VAL LYS SER GLU LYS LEU ASP SEQRES 4 C 72 PHE LYS ASP ARG VAL GLN SER LYS ILE GLY SER LEU ASP SEQRES 5 C 72 ASN ILE THR HIS VAL PRO GLY GLY GLY ASN LYS LYS ILE SEQRES 6 C 72 GLU THR HIS LYS LEU THR PHE SEQRES 1 D 72 GLN ILE VAL TYR LYS PRO VAL ASP LEU SER LYS VAL THR SEQRES 2 D 72 SER LYS ALA GLY SER LEU GLY ASN ILE HIS HIS LYS PRO SEQRES 3 D 72 GLY GLY GLY GLN VAL GLU VAL LYS SER GLU LYS LEU ASP SEQRES 4 D 72 PHE LYS ASP ARG VAL GLN SER LYS ILE GLY SER LEU ASP SEQRES 5 D 72 ASN ILE THR HIS VAL PRO GLY GLY GLY ASN LYS LYS ILE SEQRES 6 D 72 GLU THR HIS LYS LEU THR PHE SEQRES 1 E 72 GLN ILE VAL TYR LYS PRO VAL ASP LEU SER LYS VAL THR SEQRES 2 E 72 SER LYS ALA GLY SER LEU GLY ASN ILE HIS HIS LYS PRO SEQRES 3 E 72 GLY GLY GLY GLN VAL GLU VAL LYS SER GLU LYS LEU ASP SEQRES 4 E 72 PHE LYS ASP ARG VAL GLN SER LYS ILE GLY SER LEU ASP SEQRES 5 E 72 ASN ILE THR HIS VAL PRO GLY GLY GLY ASN LYS LYS ILE SEQRES 6 E 72 GLU THR HIS LYS LEU THR PHE SEQRES 1 F 72 GLN ILE VAL TYR LYS PRO VAL ASP LEU SER LYS VAL THR SEQRES 2 F 72 SER LYS ALA GLY SER LEU GLY ASN ILE HIS HIS LYS PRO SEQRES 3 F 72 GLY GLY GLY GLN VAL GLU VAL LYS SER GLU LYS LEU ASP SEQRES 4 F 72 PHE LYS ASP ARG VAL GLN SER LYS ILE GLY SER LEU ASP SEQRES 5 F 72 ASN ILE THR HIS VAL PRO GLY GLY GLY ASN LYS LYS ILE SEQRES 6 F 72 GLU THR HIS LYS LEU THR PHE SHEET 1 AA1 3 ILE B 308 TYR B 310 0 SHEET 2 AA1 3 ILE A 308 TYR A 310 1 N ILE A 308 O VAL B 309 SHEET 3 AA1 3 ILE C 308 TYR C 310 1 O ILE C 308 N VAL A 309 SHEET 1 AA2 3 LYS B 317 THR B 319 0 SHEET 2 AA2 3 LYS A 317 THR A 319 1 N VAL A 318 O LYS B 317 SHEET 3 AA2 3 LYS C 317 THR C 319 1 O VAL C 318 N LYS A 317 SHEET 1 AA3 3 ILE B 328 HIS B 330 0 SHEET 2 AA3 3 ILE A 328 HIS A 330 1 N HIS A 330 O HIS B 329 SHEET 3 AA3 3 ILE C 328 HIS C 330 1 O HIS C 330 N HIS A 329 SHEET 1 AA4 3 GLN B 336 SER B 341 0 SHEET 2 AA4 3 GLN A 336 SER A 341 1 N SER A 341 O LYS B 340 SHEET 3 AA4 3 GLN C 336 SER C 341 1 O VAL C 339 N LYS A 340 SHEET 1 AA5 3 ASP B 345 PHE B 346 0 SHEET 2 AA5 3 ASP A 345 PHE A 346 1 N PHE A 346 O ASP B 345 SHEET 3 AA5 3 ASP C 345 PHE C 346 1 O PHE C 346 N ASP A 345 SHEET 1 AA6 3 GLN B 351 HIS B 362 0 SHEET 2 AA6 3 GLN A 351 HIS A 362 1 N THR A 361 O HIS B 362 SHEET 3 AA6 3 GLN C 351 HIS C 362 1 O THR C 361 N HIS A 362 SHEET 1 AA7 3 LYS B 370 HIS B 374 0 SHEET 2 AA7 3 LYS A 370 HIS A 374 1 N HIS A 374 O THR B 373 SHEET 3 AA7 3 LYS C 370 HIS C 374 1 O HIS C 374 N THR A 373 SHEET 1 AA8 3 ILE E 308 TYR E 310 0 SHEET 2 AA8 3 ILE D 308 TYR D 310 1 N ILE D 308 O VAL E 309 SHEET 3 AA8 3 ILE F 308 TYR F 310 1 O ILE F 308 N VAL D 309 SHEET 1 AA9 3 LYS E 317 THR E 319 0 SHEET 2 AA9 3 LYS D 317 THR D 319 1 N VAL D 318 O LYS E 317 SHEET 3 AA9 3 LYS F 317 THR F 319 1 O VAL F 318 N LYS D 317 SHEET 1 AB1 3 ILE E 328 HIS E 330 0 SHEET 2 AB1 3 ILE D 328 HIS D 330 1 N HIS D 330 O HIS E 329 SHEET 3 AB1 3 ILE F 328 HIS F 330 1 O HIS F 330 N HIS D 329 SHEET 1 AB2 3 GLN E 336 SER E 341 0 SHEET 2 AB2 3 GLN D 336 SER D 341 1 N SER D 341 O LYS E 340 SHEET 3 AB2 3 GLN F 336 SER F 341 1 O SER F 341 N LYS D 340 SHEET 1 AB3 3 ASP E 345 PHE E 346 0 SHEET 2 AB3 3 ASP D 345 PHE D 346 1 N PHE D 346 O ASP E 345 SHEET 3 AB3 3 ASP F 345 PHE F 346 1 O PHE F 346 N ASP D 345 SHEET 1 AB4 3 GLN E 351 HIS E 362 0 SHEET 2 AB4 3 GLN D 351 HIS D 362 1 N THR D 361 O HIS E 362 SHEET 3 AB4 3 GLN F 351 HIS F 362 1 O THR F 361 N HIS D 362 SHEET 1 AB5 3 LYS E 370 HIS E 374 0 SHEET 2 AB5 3 LYS D 370 HIS D 374 1 N HIS D 374 O THR E 373 SHEET 3 AB5 3 LYS F 370 HIS F 374 1 O HIS F 374 N THR D 373 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 171 0 0 0 42 0 0 6 3294 6 0 36 END