HEADER OXIDOREDUCTASE 19-NOV-24 9EF0 TITLE EM STRUCTURE OF CYTOCHROME P450 REDUCTASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: NADPH--CYTOCHROME P450 REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CPR,P450R; COMPND 5 EC: 1.6.2.4; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: POR; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CYTOCHROME P450 REDUCTASE, CPR, POR, ELECTRON TRANSFER, ENDOPLASMIC KEYWDS 2 RETICULUM, FLAVOPROTEIN, OXIDOREDUCTASE EXPDTA ELECTRON MICROSCOPY AUTHOR G.I.LEPESHEVA,Y.REN REVDAT 1 04-DEC-24 9EF0 0 JRNL AUTH G.I.LEPESHEVA,Y.REN JRNL TITL STRUCTURAL STATE OF CYTOCHROME P450 REDUCTASE IN SOLUTION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 3.33 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, EPU, UCSF CHIMERA, PHENIX, REMARK 3 CRYOSPARC 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 : AB INITIO MODEL 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) : 3.330 REMARK 3 NUMBER OF PARTICLES : 671545 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 9EF0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-NOV-24. REMARK 100 THE DEPOSITION ID IS D_1000290308. 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 : CYTOCHROME P450 REDUCTASE REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 0.23 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 : 31000 REMARK 245 TEMPERATURE (KELVIN) : 90.00 REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 800.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2400.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 REMARK 245 IMAGING MODE : OTHER REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5300.00 REMARK 245 ILLUMINATION MODE : OTHER 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: MONOMERIC 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 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 465 GLY A 2 REMARK 465 ASP A 3 REMARK 465 SER A 4 REMARK 465 HIS A 5 REMARK 465 GLU A 6 REMARK 465 ASP A 7 REMARK 465 THR A 8 REMARK 465 SER A 9 REMARK 465 ALA A 10 REMARK 465 THR A 11 REMARK 465 MET A 12 REMARK 465 PRO A 13 REMARK 465 GLU A 14 REMARK 465 ALA A 15 REMARK 465 VAL A 16 REMARK 465 ALA A 17 REMARK 465 GLU A 18 REMARK 465 GLU A 19 REMARK 465 VAL A 20 REMARK 465 SER A 21 REMARK 465 LEU A 22 REMARK 465 PHE A 23 REMARK 465 SER A 24 REMARK 465 THR A 25 REMARK 465 THR A 26 REMARK 465 ASP A 27 REMARK 465 MET A 28 REMARK 465 VAL A 29 REMARK 465 LEU A 30 REMARK 465 PHE A 31 REMARK 465 SER A 32 REMARK 465 LEU A 33 REMARK 465 ILE A 34 REMARK 465 VAL A 35 REMARK 465 GLY A 36 REMARK 465 VAL A 37 REMARK 465 LEU A 38 REMARK 465 THR A 39 REMARK 465 TYR A 40 REMARK 465 TRP A 41 REMARK 465 PHE A 42 REMARK 465 ILE A 43 REMARK 465 PHE A 44 REMARK 465 ARG A 45 REMARK 465 LYS A 46 REMARK 465 LYS A 47 REMARK 465 LYS A 48 REMARK 465 GLU A 49 REMARK 465 GLU A 50 REMARK 465 ILE A 51 REMARK 465 PRO A 52 REMARK 465 GLU A 53 REMARK 465 PHE A 54 REMARK 465 SER A 55 REMARK 465 LYS A 56 REMARK 465 ILE A 57 REMARK 465 GLN A 58 REMARK 465 THR A 59 REMARK 465 THR A 60 REMARK 465 ALA A 61 REMARK 465 PRO A 62 REMARK 465 PRO A 63 REMARK 465 VAL A 64 REMARK 465 LYS A 65 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 GLU A 142 58.74 -95.88 REMARK 500 ASP A 309 15.51 59.55 REMARK 500 ASP A 318 -169.21 -78.53 REMARK 500 HIS A 465 109.75 -38.68 REMARK 500 ALA A 500 -106.42 56.58 REMARK 500 GLU A 502 -123.43 60.50 REMARK 500 ASP A 572 24.26 -141.59 REMARK 500 ASN A 635 -30.28 -130.90 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-40857 RELATED DB: EMDB DBREF 9EF0 A 1 678 UNP P00388 NCPR_RAT 1 678 SEQRES 1 A 678 MET GLY ASP SER HIS GLU ASP THR SER ALA THR MET PRO SEQRES 2 A 678 GLU ALA VAL ALA GLU GLU VAL SER LEU PHE SER THR THR SEQRES 3 A 678 ASP MET VAL LEU PHE SER LEU ILE VAL GLY VAL LEU THR SEQRES 4 A 678 TYR TRP PHE ILE PHE ARG LYS LYS LYS GLU GLU ILE PRO SEQRES 5 A 678 GLU PHE SER LYS ILE GLN THR THR ALA PRO PRO VAL LYS SEQRES 6 A 678 GLU SER SER PHE VAL GLU LYS MET LYS LYS THR GLY ARG SEQRES 7 A 678 ASN ILE ILE VAL PHE TYR GLY SER GLN THR GLY THR ALA SEQRES 8 A 678 GLU GLU PHE ALA ASN ARG LEU SER LYS ASP ALA HIS ARG SEQRES 9 A 678 TYR GLY MET ARG GLY MET SER ALA ASP PRO GLU GLU TYR SEQRES 10 A 678 ASP LEU ALA ASP LEU SER SER LEU PRO GLU ILE ASP LYS SEQRES 11 A 678 SER LEU VAL VAL PHE CYS MET ALA THR TYR GLY GLU GLY SEQRES 12 A 678 ASP PRO THR ASP ASN ALA GLN ASP PHE TYR ASP TRP LEU SEQRES 13 A 678 GLN GLU THR ASP VAL ASP LEU THR GLY VAL LYS PHE ALA SEQRES 14 A 678 VAL PHE GLY LEU GLY ASN LYS THR TYR GLU HIS PHE ASN SEQRES 15 A 678 ALA MET GLY LYS TYR VAL ASP GLN ARG LEU GLU GLN LEU SEQRES 16 A 678 GLY ALA GLN ARG ILE PHE GLU LEU GLY LEU GLY ASP ASP SEQRES 17 A 678 ASP GLY ASN LEU GLU GLU ASP PHE ILE THR TRP ARG GLU SEQRES 18 A 678 GLN PHE TRP PRO ALA VAL CYS GLU PHE PHE GLY VAL GLU SEQRES 19 A 678 ALA THR GLY GLU GLU SER SER ILE ARG GLN TYR GLU LEU SEQRES 20 A 678 VAL VAL HIS GLU ASP MET ASP VAL ALA LYS VAL TYR THR SEQRES 21 A 678 GLY GLU MET GLY ARG LEU LYS SER TYR GLU ASN GLN LYS SEQRES 22 A 678 PRO PRO PHE ASP ALA LYS ASN PRO PHE LEU ALA ALA VAL SEQRES 23 A 678 THR ALA ASN ARG LYS LEU ASN GLN GLY THR GLU ARG HIS SEQRES 24 A 678 LEU MET HIS LEU GLU LEU ASP ILE SER ASP SER LYS ILE SEQRES 25 A 678 ARG TYR GLU SER GLY ASP HIS VAL ALA VAL TYR PRO ALA SEQRES 26 A 678 ASN ASP SER ALA LEU VAL ASN GLN ILE GLY GLU ILE LEU SEQRES 27 A 678 GLY ALA ASP LEU ASP VAL ILE MET SER LEU ASN ASN LEU SEQRES 28 A 678 ASP GLU GLU SER ASN LYS LYS HIS PRO PHE PRO CYS PRO SEQRES 29 A 678 THR THR TYR ARG THR ALA LEU THR TYR TYR LEU ASP ILE SEQRES 30 A 678 THR ASN PRO PRO ARG THR ASN VAL LEU TYR GLU LEU ALA SEQRES 31 A 678 GLN TYR ALA SER GLU PRO SER GLU GLN GLU HIS LEU HIS SEQRES 32 A 678 LYS MET ALA SER SER SER GLY GLU GLY LYS GLU LEU TYR SEQRES 33 A 678 LEU SER TRP VAL VAL GLU ALA ARG ARG HIS ILE LEU ALA SEQRES 34 A 678 ILE LEU GLN ASP TYR PRO SER LEU ARG PRO PRO ILE ASP SEQRES 35 A 678 HIS LEU CYS GLU LEU LEU PRO ARG LEU GLN ALA ARG TYR SEQRES 36 A 678 TYR SER ILE ALA SER SER SER LYS VAL HIS PRO ASN SER SEQRES 37 A 678 VAL HIS ILE CYS ALA VAL ALA VAL GLU TYR GLU ALA LYS SEQRES 38 A 678 SER GLY ARG VAL ASN LYS GLY VAL ALA THR SER TRP LEU SEQRES 39 A 678 ARG ALA LYS GLU PRO ALA GLY GLU ASN GLY GLY ARG ALA SEQRES 40 A 678 LEU VAL PRO MET PHE VAL ARG LYS SER GLN PHE ARG LEU SEQRES 41 A 678 PRO PHE LYS SER THR THR PRO VAL ILE MET VAL GLY PRO SEQRES 42 A 678 GLY THR GLY ILE ALA PRO PHE MET GLY PHE ILE GLN GLU SEQRES 43 A 678 ARG ALA TRP LEU ARG GLU GLN GLY LYS GLU VAL GLY GLU SEQRES 44 A 678 THR LEU LEU TYR TYR GLY CYS ARG ARG SER ASP GLU ASP SEQRES 45 A 678 TYR LEU TYR ARG GLU GLU LEU ALA ARG PHE HIS LYS ASP SEQRES 46 A 678 GLY ALA LEU THR GLN LEU ASN VAL ALA PHE SER ARG GLU SEQRES 47 A 678 GLN ALA HIS LYS VAL TYR VAL GLN HIS LEU LEU LYS ARG SEQRES 48 A 678 ASP ARG GLU HIS LEU TRP LYS LEU ILE HIS GLU GLY GLY SEQRES 49 A 678 ALA HIS ILE TYR VAL CYS GLY ASP ALA ARG ASN MET ALA SEQRES 50 A 678 LYS ASP VAL GLN ASN THR PHE TYR ASP ILE VAL ALA GLU SEQRES 51 A 678 PHE GLY PRO MET GLU HIS THR GLN ALA VAL ASP TYR VAL SEQRES 52 A 678 LYS LYS LEU MET THR LYS GLY ARG TYR SER LEU ASP VAL SEQRES 53 A 678 TRP SER HET FMN A 701 31 HET FAD A 702 53 HETNAM FMN FLAVIN MONONUCLEOTIDE HETNAM FAD FLAVIN-ADENINE DINUCLEOTIDE HETSYN FMN RIBOFLAVIN MONOPHOSPHATE FORMUL 2 FMN C17 H21 N4 O9 P FORMUL 3 FAD C27 H33 N9 O15 P2 HELIX 1 AA1 PHE A 69 GLY A 77 1 9 HELIX 2 AA2 GLY A 89 ALA A 102 1 14 HELIX 3 AA3 HIS A 103 GLY A 106 5 4 HELIX 4 AA4 ASP A 118 SER A 123 5 6 HELIX 5 AA5 SER A 124 ILE A 128 5 5 HELIX 6 AA6 ALA A 149 THR A 159 1 11 HELIX 7 AA7 ASN A 182 GLY A 196 1 15 HELIX 8 AA8 ASN A 211 GLY A 232 1 22 HELIX 9 AA9 ASP A 254 VAL A 258 5 5 HELIX 10 AB1 ASP A 327 GLY A 339 1 13 HELIX 11 AB2 THR A 366 TYR A 374 1 9 HELIX 12 AB3 ARG A 382 GLN A 391 1 10 HELIX 13 AB4 GLU A 395 MET A 405 1 11 HELIX 14 AB5 GLY A 410 VAL A 420 1 11 HELIX 15 AB6 HIS A 426 TYR A 434 1 9 HELIX 16 AB7 PRO A 440 LEU A 448 1 9 HELIX 17 AB8 VAL A 489 ALA A 496 1 8 HELIX 18 AB9 PRO A 533 THR A 535 5 3 HELIX 19 AC1 GLY A 536 GLN A 553 1 18 HELIX 20 AC2 TYR A 575 ASP A 585 1 11 HELIX 21 AC3 TYR A 604 ASP A 612 1 9 HELIX 22 AC4 ASP A 612 GLY A 624 1 13 HELIX 23 AC5 ASN A 635 PHE A 651 1 17 HELIX 24 AC6 GLU A 655 LYS A 669 1 15 SHEET 1 AA1 5 GLY A 109 ALA A 112 0 SHEET 2 AA1 5 ILE A 80 TYR A 84 1 N ILE A 80 O MET A 110 SHEET 3 AA1 5 LEU A 132 MET A 137 1 O VAL A 134 N PHE A 83 SHEET 4 AA1 5 LYS A 167 GLY A 174 1 O PHE A 171 N PHE A 135 SHEET 5 AA1 5 GLN A 198 ARG A 199 1 O GLN A 198 N PHE A 168 SHEET 1 AA2 5 GLY A 109 ALA A 112 0 SHEET 2 AA2 5 ILE A 80 TYR A 84 1 N ILE A 80 O MET A 110 SHEET 3 AA2 5 LEU A 132 MET A 137 1 O VAL A 134 N PHE A 83 SHEET 4 AA2 5 LYS A 167 GLY A 174 1 O PHE A 171 N PHE A 135 SHEET 5 AA2 5 GLY A 204 ASP A 207 1 O GLY A 204 N GLY A 172 SHEET 1 AA3 2 TYR A 245 LEU A 247 0 SHEET 2 AA3 2 LEU A 348 ASN A 350 -1 O ASN A 349 N GLU A 246 SHEET 1 AA4 6 ARG A 454 SER A 457 0 SHEET 2 AA4 6 HIS A 319 VAL A 322 -1 N VAL A 320 O TYR A 456 SHEET 3 AA4 6 LEU A 508 ARG A 514 -1 O PHE A 512 N ALA A 321 SHEET 4 AA4 6 PHE A 282 LYS A 291 -1 N ALA A 284 O VAL A 509 SHEET 5 AA4 6 LEU A 300 ASP A 306 -1 O ASP A 306 N ALA A 285 SHEET 6 AA4 6 SER A 468 VAL A 474 -1 O ILE A 471 N LEU A 303 SHEET 1 AA5 2 GLU A 477 GLU A 479 0 SHEET 2 AA5 2 VAL A 485 LYS A 487 -1 O ASN A 486 N TYR A 478 SHEET 1 AA6 5 GLN A 590 PHE A 595 0 SHEET 2 AA6 5 THR A 560 CYS A 566 1 N TYR A 564 O ALA A 594 SHEET 3 AA6 5 VAL A 528 VAL A 531 1 N MET A 530 O TYR A 563 SHEET 4 AA6 5 HIS A 626 VAL A 629 1 O HIS A 626 N ILE A 529 SHEET 5 AA6 5 TYR A 672 LEU A 674 1 O SER A 673 N ILE A 627 CISPEP 1 PRO A 274 PRO A 275 0 -0.62 CISPEP 2 CYS A 363 PRO A 364 0 5.52 CISPEP 3 GLY A 652 PRO A 653 0 -7.58 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