HEADER VIRUS 11-FEB-26 10XW TITLE C6 TAIL ASSEMBLY OF PHAGE OEKOLAMPAD (BAS18) COMPND MOL_ID: 1; COMPND 2 MOLECULE: TAIL PROTEIN GP15; COMPND 3 CHAIN: A SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA PHAGE OEKOLAMPAD; SOURCE 3 ORGANISM_TAXID: 2851982 KEYWDS BACTERIOPHAGE, CRYO-EM SPA, VIRUS EXPDTA ELECTRON MICROSCOPY AUTHOR K.ROSHENY,B.MIHNEA REVDAT 1 15-JUL-26 10XW 0 JRNL AUTH R.KUMARAN,H.MCFARLANE,C.J.EWENSON,K.MCJARROW-KELLER, JRNL AUTH 2 A.R.ERUERA,M.STRAUSS,M.BOSTINA JRNL TITL A CLASSIC FOLD WITH A TWIST: STRUCTURAL ARCHITECTURE OF JRNL TITL 2 DHILLONVIRUS PHAGE BAS18. JRNL REF J.MOL.BIOL. 69937 2026 JRNL REFN ESSN 1089-8638 JRNL PMID 42401365 JRNL DOI 10.1016/J.JMB.2026.169937 REMARK 2 REMARK 2 RESOLUTION. 3.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, CRYOSPARC, CRYOSPARC, 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 : FLEXIBLE FIT REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : THE ALPHAFOLD MODEL WAS FLEXIBLY FITTED TO THE REMARK 3 DENSITY USING ISOLDE. SIDE CHAINS WERE REFINED WITH ISOLDE, REMARK 3 PHENIX AND COOT. 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) : 3.500 REMARK 3 NUMBER OF PARTICLES : 46974 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING ONLY REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 10XW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-FEB-26. REMARK 100 THE DEPOSITION ID IS D_1000303193. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : ESCHERICHIA PHAGE OEKOLAMPAD 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 : ESCHERICHIA PHAGE OEKOLAMPAD REMARK 245 WAS PROPAGATED IN ESCHERICHIA COLI K-12 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 : GATAN K3 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 750.00 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 : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 3000.00 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: 24-MERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: 24-MERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 BIOMT1 2 0.907191 -0.420719 0.000000 87.81333 REMARK 350 BIOMT2 2 0.420719 0.907191 0.000000 -56.07263 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 40.69000 REMARK 350 BIOMT1 3 0.645991 -0.763345 0.000000 191.06761 REMARK 350 BIOMT2 3 0.763345 0.645991 0.000000 -69.99645 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 81.38000 REMARK 350 BIOMT1 4 0.264883 -0.964281 0.000000 290.59699 REMARK 350 BIOMT2 4 0.964281 0.264883 0.000000 -39.18697 REMARK 350 BIOMT3 4 0.000000 0.000000 1.000000 122.07000 REMARK 350 BIOMT1 5 0.500000 -0.866025 0.000000 233.59034 REMARK 350 BIOMT2 5 0.866025 0.500000 0.000000 -62.59034 REMARK 350 BIOMT3 5 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 6 0.089242 -0.996010 0.000000 326.05733 REMARK 350 BIOMT2 6 0.996010 0.089242 0.000000 -14.57808 REMARK 350 BIOMT3 6 0.000000 0.000000 1.000000 40.69000 REMARK 350 BIOMT1 7 -0.338081 -0.941117 0.000000 389.74286 REMARK 350 BIOMT2 7 0.941117 -0.338081 0.000000 67.88084 REMARK 350 BIOMT3 7 0.000000 0.000000 1.000000 81.38000 REMARK 350 BIOMT1 8 -0.702650 -0.711536 0.000000 412.82575 REMARK 350 BIOMT2 8 0.711536 -0.702650 0.000000 169.48054 REMARK 350 BIOMT3 8 0.000000 0.000000 1.000000 122.07000 REMARK 350 BIOMT1 9 -0.500000 -0.866025 0.000000 404.59034 REMARK 350 BIOMT2 9 0.866025 -0.500000 0.000000 108.40966 REMARK 350 BIOMT3 9 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 10 -0.817949 -0.575291 0.000000 409.24400 REMARK 350 BIOMT2 10 0.575291 -0.817949 0.000000 212.49454 REMARK 350 BIOMT3 10 0.000000 0.000000 1.000000 40.69000 REMARK 350 BIOMT1 11 -0.984072 -0.177772 0.000000 369.67524 REMARK 350 BIOMT2 11 0.177772 -0.984072 0.000000 308.87729 REMARK 350 BIOMT3 11 0.000000 0.000000 1.000000 81.38000 REMARK 350 BIOMT1 12 -0.967533 0.252745 0.000000 293.22876 REMARK 350 BIOMT2 12 -0.252745 -0.967533 0.000000 379.66751 REMARK 350 BIOMT3 12 0.000000 0.000000 1.000000 122.07000 REMARK 350 BIOMT1 13 -1.000000 0.000000 0.000000 342.00000 REMARK 350 BIOMT2 13 0.000000 -1.000000 0.000000 342.00000 REMARK 350 BIOMT3 13 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 14 -0.907191 0.420719 0.000000 254.18667 REMARK 350 BIOMT2 14 -0.420719 -0.907191 0.000000 398.07263 REMARK 350 BIOMT3 14 0.000000 0.000000 1.000000 40.69000 REMARK 350 BIOMT1 15 -0.645991 0.763345 0.000000 150.93239 REMARK 350 BIOMT2 15 -0.763345 -0.645991 0.000000 411.99645 REMARK 350 BIOMT3 15 0.000000 0.000000 1.000000 81.38000 REMARK 350 BIOMT1 16 -0.264883 0.964281 0.000000 51.40301 REMARK 350 BIOMT2 16 -0.964281 -0.264883 0.000000 381.18697 REMARK 350 BIOMT3 16 0.000000 0.000000 1.000000 122.07000 REMARK 350 BIOMT1 17 -0.500000 0.866025 0.000000 108.40966 REMARK 350 BIOMT2 17 -0.866025 -0.500000 0.000000 404.59034 REMARK 350 BIOMT3 17 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 18 -0.089242 0.996010 0.000000 15.94267 REMARK 350 BIOMT2 18 -0.996010 -0.089242 0.000000 356.57808 REMARK 350 BIOMT3 18 0.000000 0.000000 1.000000 40.69000 REMARK 350 BIOMT1 19 0.338081 0.941117 0.000000 -47.74286 REMARK 350 BIOMT2 19 -0.941117 0.338081 0.000000 274.11916 REMARK 350 BIOMT3 19 0.000000 0.000000 1.000000 81.38000 REMARK 350 BIOMT1 20 0.702650 0.711536 0.000000 -70.82575 REMARK 350 BIOMT2 20 -0.711536 0.702650 0.000000 172.51946 REMARK 350 BIOMT3 20 0.000000 0.000000 1.000000 122.07000 REMARK 350 BIOMT1 21 0.500000 0.866025 0.000000 -62.59034 REMARK 350 BIOMT2 21 -0.866025 0.500000 0.000000 233.59034 REMARK 350 BIOMT3 21 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 22 0.817949 0.575291 0.000000 -67.24400 REMARK 350 BIOMT2 22 -0.575291 0.817949 0.000000 129.50546 REMARK 350 BIOMT3 22 0.000000 0.000000 1.000000 40.69000 REMARK 350 BIOMT1 23 0.984072 0.177772 0.000000 -27.67524 REMARK 350 BIOMT2 23 -0.177772 0.984072 0.000000 33.12271 REMARK 350 BIOMT3 23 0.000000 0.000000 1.000000 81.38000 REMARK 350 BIOMT1 24 0.967533 -0.252745 0.000000 48.77124 REMARK 350 BIOMT2 24 0.252745 0.967533 0.000000 -37.66751 REMARK 350 BIOMT3 24 0.000000 0.000000 1.000000 122.07000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 1 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 THR A 78 OG1 CG2 REMARK 470 ASP A 90 CB CG OD1 OD2 REMARK 470 LYS A 93 CG CD CE NZ REMARK 470 SER A 111 CB OG REMARK 470 ASP A 175 CG OD1 OD2 REMARK 470 ASP A 228 CG OD1 OD2 REMARK 470 ASP A 235 CG OD1 OD2 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 TYR A 3 117.13 -33.61 REMARK 500 SER A 19 -169.87 55.75 REMARK 500 PRO A 117 -178.85 -67.87 REMARK 500 LEU A 240 -41.25 -133.81 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 9ZYS RELATED DB: PDB REMARK 900 ICOSAHEDRAL CAPSID ASSEMBLY OF PHAGE OEKOLAMPAD (BAS18) REMARK 900 RELATED ID: 10EC RELATED DB: PDB REMARK 900 C12 PORTAL ASSEMBLY OF PHAGE OEKOLAMPAD (BAS18) REMARK 900 RELATED ID: 10LJ RELATED DB: PDB REMARK 900 C6 NECK ASSEMBLY OF PHAGE OEKOLAMPAD (BAS18) REMARK 900 RELATED ID: 23GD RELATED DB: PDB REMARK 900 TAIL TIP ASSEMBLY OF PHAGE OEKOLAMPAD (BAS18) REMARK 900 RELATED ID: EMD-75516 RELATED DB: EMDB REMARK 900 C6 TAIL ASSEMBLY OF PHAGE OEKOLAMPAD (BAS18) DBREF1 10XW A 1 241 UNP A0AAE7VXB5_9CAUD DBREF2 10XW A A0AAE7VXB5 1 241 SEQRES 1 A 241 MET GLY TYR GLN LEU PRO ASN GLY SER SER VAL GLN ILE SEQRES 2 A 241 GLY SER VAL LEU GLY SER GLY ILE ALA VAL THR ALA ALA SEQRES 3 A 241 THR ASN ALA ALA ALA SER ILE SER ASP LEU THR GLN GLY SEQRES 4 A 241 CYS VAL ILE THR CYS ALA ALA SER HIS GLY LEU VAL VAL SEQRES 5 A 241 GLY ASP VAL VAL MET PHE THR LYS THR PRO TRP VAL ARG SEQRES 6 A 241 ALA LEU ASN ARG ALA PHE ILE VAL GLY LYS VAL ASP THR SEQRES 7 A 241 ASN ASP VAL THR LEU ALA ARG PHE ASP THR GLU ASP VAL SEQRES 8 A 241 THR LYS TYR PRO THR GLY ALA PHE SER VAL GLY THR PRO SEQRES 9 A 241 GLY GLU VAL VAL LYS VAL SER GLY PHE ILE ASP PHE PRO SEQRES 10 A 241 PHE ILE THR ASN VAL ALA VAL SER GLY GLY ASP GLN GLN SEQRES 11 A 241 THR THR THR PHE GLN PRO LEU GLN VAL ASN THR ALA ILE SEQRES 12 A 241 SER LEU ASN THR THR LYS ASN PRO LEU VAL GLN THR TYR SEQRES 13 A 241 THR PHE THR HIS ASP GLU GLU ASP PRO ILE ARG PRO ILE SEQRES 14 A 241 LEU GLU ASP LEU ASP ASP THR GLN LYS THR THR VAL ILE SEQRES 15 A 241 LYS PHE THR ASN PRO ALA ALA ALA SER GLY LYS GLY GLU SEQRES 16 A 241 ILE ARG ILE TYR PRO ALA LYS VAL SER PHE GLN LYS ILE SEQRES 17 A 241 PRO SER ALA GLU VAL ASN ASN VAL GLU THR VAL GLN SER SEQRES 18 A 241 THR LEU THR MET GLN SER ASP MET VAL ILE TYR ARG LYS SEQRES 19 A 241 ASP LEU VAL GLU ALA LEU SER HELIX 1 AA1 TRP A 63 LEU A 67 5 5 HELIX 2 AA2 PRO A 165 GLN A 177 1 13 HELIX 3 AA3 ALA A 188 LYS A 193 1 6 HELIX 4 AA4 ARG A 233 LEU A 240 1 8 SHEET 1 AA1 2 GLN A 12 GLY A 14 0 SHEET 2 AA1 2 PHE A 113 ASP A 115 -1 O ILE A 114 N ILE A 13 SHEET 1 AA2 7 LEU A 17 ALA A 26 0 SHEET 2 AA2 7 GLY A 39 CYS A 44 -1 O THR A 43 N THR A 24 SHEET 3 AA2 7 ASP A 80 ALA A 84 -1 O VAL A 81 N ILE A 42 SHEET 4 AA2 7 ALA A 70 VAL A 76 -1 N LYS A 75 O THR A 82 SHEET 5 AA2 7 VAL A 55 LYS A 60 -1 N VAL A 56 O PHE A 71 SHEET 6 AA2 7 GLY A 105 VAL A 110 -1 O VAL A 108 N MET A 57 SHEET 7 AA2 7 LEU A 17 ALA A 26 -1 N ILE A 21 O VAL A 107 SHEET 1 AA3 5 ILE A 119 GLY A 126 0 SHEET 2 AA3 5 LEU A 152 THR A 159 -1 O THR A 157 N THR A 120 SHEET 3 AA3 5 THR A 218 MET A 225 -1 O LEU A 223 N GLN A 154 SHEET 4 AA3 5 ILE A 196 GLN A 206 -1 N GLN A 206 O GLN A 220 SHEET 5 AA3 5 THR A 179 ILE A 182 -1 N THR A 180 O ALA A 201 SHEET 1 AA4 5 ILE A 119 GLY A 126 0 SHEET 2 AA4 5 LEU A 152 THR A 159 -1 O THR A 157 N THR A 120 SHEET 3 AA4 5 THR A 218 MET A 225 -1 O LEU A 223 N GLN A 154 SHEET 4 AA4 5 ILE A 196 GLN A 206 -1 N GLN A 206 O GLN A 220 SHEET 5 AA4 5 VAL A 230 TYR A 232 -1 O VAL A 230 N ILE A 198 SHEET 1 AA5 2 GLN A 129 PHE A 134 0 SHEET 2 AA5 2 ILE A 143 LYS A 149 -1 O THR A 148 N GLN A 130 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 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 221 0 0 4 21 0 0 6 1777 1 0 19 END