HEADER BIOSYNTHETIC PROTEIN 10-FEB-25 9IAH TITLE STRUCTURE OF BETA-LACTOGLOBULIN FIBRIL COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTOGLOBULIN; COMPND 3 CHAIN: E, D, C, B, A; COMPND 4 SYNONYM: BETA-LG SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: DOMESTIC CATTLE; SOURCE 4 ORGANISM_TAXID: 9913 KEYWDS WHEY PROTEIN, NUTRIENT TRANSPORT, AMYLOID FIBRILLATION, CROSS-BETA KEYWDS 2 STRUCTURE, NANOMATERIAL, BIOSYNTHETIC PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR R.STERNKE-HOFFMANN,D.RHYNER,B.QURESHI,R.RIEK,J.GREENWALD,J.LUO REVDAT 3 26-NOV-25 9IAH 1 JRNL REVDAT 2 05-NOV-25 9IAH 1 JRNL REVDAT 1 05-MAR-25 9IAH 0 JRNL AUTH R.STERNKE-HOFFMANN,D.RHYNER,G.TERASHI,B.M.QURESHI,R.RIEK, JRNL AUTH 2 J.GREENWALD,D.KIHARA,V.LUTZ-BUENO,J.LUO JRNL TITL STRUCTURAL INSIGHTS AND FUNCTIONAL DYNAMICS OF JRNL TITL 2 BETA-LACTOGLOBULIN FIBRILS. JRNL REF NANO LETT. V. 25 16146 2025 JRNL REFN ESSN 1530-6992 JRNL PMID 41129746 JRNL DOI 10.1021/ACS.NANOLETT.5C04125 REMARK 2 REMARK 2 RESOLUTION. 3.17 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : EPU, RELION REMARK 3 RECONSTRUCTION SCHEMA : NULL 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) : 3.170 REMARK 3 NUMBER OF PARTICLES : 67843 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 9IAH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-FEB-25. REMARK 100 THE DEPOSITION ID IS D_1292145160. 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 : BETA-LACTOGLOBULIN FIBRIL REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 7.00 REMARK 245 SAMPLE SUPPORT DETAILS : PELCO EASIGLOW GLOW DISCHARGE REMARK 245 CLEANING SYSTEM USING 25 MA FOR REMARK 245 30 S. REMARK 245 SAMPLE VITRIFICATION DETAILS : 3.7 UL SAMPLE WAS APPLIED AND REMARK 245 BLOTTED FOR 6 S AFTER A WAIT REMARK 245 TIME OF 30 S WITH A FORCE OF 0 REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 2.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 16475 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 500.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2500.00 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) : 5750.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 130000 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: PENTAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: PENTAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, D, C, B, A 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: EMD-52781 RELATED DB: EMDB REMARK 900 STRUCTURE OF BETA-LACTOGLOBULIN FIBRIL DBREF 9IAH E 1 34 UNP P02754 LACB_BOVIN 17 50 DBREF 9IAH D 1 34 UNP P02754 LACB_BOVIN 17 50 DBREF 9IAH C 1 34 UNP P02754 LACB_BOVIN 17 50 DBREF 9IAH B 1 34 UNP P02754 LACB_BOVIN 17 50 DBREF 9IAH A 1 34 UNP P02754 LACB_BOVIN 17 50 SEQRES 1 E 34 LEU ILE VAL THR GLN THR MET LYS GLY LEU ASP ILE GLN SEQRES 2 E 34 LYS VAL ALA GLY THR TRP TYR SER LEU ALA MET ALA ALA SEQRES 3 E 34 SER ASP ILE SER LEU LEU ASP ALA SEQRES 1 D 34 LEU ILE VAL THR GLN THR MET LYS GLY LEU ASP ILE GLN SEQRES 2 D 34 LYS VAL ALA GLY THR TRP TYR SER LEU ALA MET ALA ALA SEQRES 3 D 34 SER ASP ILE SER LEU LEU ASP ALA SEQRES 1 C 34 LEU ILE VAL THR GLN THR MET LYS GLY LEU ASP ILE GLN SEQRES 2 C 34 LYS VAL ALA GLY THR TRP TYR SER LEU ALA MET ALA ALA SEQRES 3 C 34 SER ASP ILE SER LEU LEU ASP ALA SEQRES 1 B 34 LEU ILE VAL THR GLN THR MET LYS GLY LEU ASP ILE GLN SEQRES 2 B 34 LYS VAL ALA GLY THR TRP TYR SER LEU ALA MET ALA ALA SEQRES 3 B 34 SER ASP ILE SER LEU LEU ASP ALA SEQRES 1 A 34 LEU ILE VAL THR GLN THR MET LYS GLY LEU ASP ILE GLN SEQRES 2 A 34 LYS VAL ALA GLY THR TRP TYR SER LEU ALA MET ALA ALA SEQRES 3 A 34 SER ASP ILE SER LEU LEU ASP ALA SHEET 1 AA1 5 ILE E 2 LYS E 8 0 SHEET 2 AA1 5 ILE D 2 LYS D 8 1 O GLN D 5 N THR E 4 SHEET 3 AA1 5 ILE C 2 LYS C 8 1 O GLN C 5 N THR D 4 SHEET 4 AA1 5 ILE B 2 LYS B 8 1 O VAL B 3 N ILE C 2 SHEET 5 AA1 5 ILE A 2 LYS A 8 1 O GLN A 5 N THR B 4 SHEET 1 AA2 5 ASP E 11 GLN E 13 0 SHEET 2 AA2 5 ASP D 11 GLN D 13 1 O ILE D 12 N ASP E 11 SHEET 3 AA2 5 ASP C 11 GLN C 13 1 O ILE C 12 N ASP D 11 SHEET 4 AA2 5 ASP B 11 GLN B 13 1 O ILE B 12 N ASP C 11 SHEET 5 AA2 5 ASP A 11 GLN A 13 1 O ILE A 12 N ASP B 11 SHEET 1 AA3 5 THR E 18 TRP E 19 0 SHEET 2 AA3 5 THR D 18 TRP D 19 1 O TRP D 19 N THR E 18 SHEET 3 AA3 5 THR C 18 TRP C 19 1 O TRP C 19 N THR D 18 SHEET 4 AA3 5 THR B 18 TRP B 19 1 O TRP B 19 N THR C 18 SHEET 5 AA3 5 THR A 18 TRP A 19 1 O TRP A 19 N THR B 18 SHEET 1 AA4 5 ALA E 23 ALA E 25 0 SHEET 2 AA4 5 ALA D 23 ALA D 25 1 O ALA D 23 N MET E 24 SHEET 3 AA4 5 ALA C 23 ALA C 25 1 O ALA C 23 N MET D 24 SHEET 4 AA4 5 ALA B 23 ALA B 25 1 O ALA B 23 N MET C 24 SHEET 5 AA4 5 ALA A 23 ALA A 25 1 O ALA A 23 N MET B 24 SHEET 1 AA5 5 ASP E 28 ASP E 33 0 SHEET 2 AA5 5 ASP D 28 ASP D 33 1 O LEU D 32 N LEU E 31 SHEET 3 AA5 5 ASP C 28 ASP C 33 1 O LEU C 32 N LEU D 31 SHEET 4 AA5 5 ASP B 28 ASP B 33 1 O LEU B 32 N LEU C 31 SHEET 5 AA5 5 ASP A 28 ASP A 33 1 O LEU A 32 N LEU B 31 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 TER 253 ALA E 34 TER 506 ALA D 34 TER 759 ALA C 34 TER 1012 ALA B 34 TER 1265 ALA A 34 MASTER 104 0 0 0 25 0 0 6 1260 5 0 15 END