HEADER    OXIDOREDUCTASE                          02-MAY-20   6WTI              
TITLE     THE CRYO-EM STRUCTURE OF THE UBIQUINOL OXIDASE FROM ESCHERICHIA COLI  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME O UBIQUINOL OXIDASE, SUBUNIT I;                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 1.10.3.-;                                                        
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: UBIQUINOL OXIDASE SUBUNIT 2;                               
COMPND   8 CHAIN: B;                                                            
COMPND   9 ENGINEERED: YES;                                                     
COMPND  10 MOL_ID: 3;                                                           
COMPND  11 MOLECULE: CYTOCHROME O UBIQUINOL OXIDASE;                            
COMPND  12 CHAIN: C;                                                            
COMPND  13 ENGINEERED: YES;                                                     
COMPND  14 MOL_ID: 4;                                                           
COMPND  15 MOLECULE: CYTOCHROME O UBIQUINOL OXIDASE, SUBUNIT IV;                
COMPND  16 CHAIN: D;                                                            
COMPND  17 EC: 1.10.3.-;                                                        
COMPND  18 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: CYOB, ECDEC2C_0430;                                            
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 MOL_ID: 2;                                                           
SOURCE   8 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   9 ORGANISM_TAXID: 562;                                                 
SOURCE  10 GENE: CYOA;                                                          
SOURCE  11 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  12 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  13 MOL_ID: 3;                                                           
SOURCE  14 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE  15 ORGANISM_TAXID: 562;                                                 
SOURCE  16 GENE: ECDG_00226;                                                    
SOURCE  17 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  18 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  19 MOL_ID: 4;                                                           
SOURCE  20 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE  21 ORGANISM_TAXID: 562;                                                 
SOURCE  22 GENE: CYOD, EC12741_3890;                                            
SOURCE  23 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  24 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    UBIQUINOL OXIDASE CYTOCHROME BO3, MEMBRANE PROTEIN, OXIDOREDUCTASE    
EXPDTA    ELECTRON MICROSCOPY                                                   
AUTHOR    C.-C.SU                                                               
REVDAT   2   06-MAR-24 6WTI    1       COMPND HETNAM HETSYN                     
REVDAT   1   20-JAN-21 6WTI    0                                                
JRNL        AUTH   C.C.SU,M.LYU,C.E.MORGAN,J.R.BOLLA,C.V.ROBINSON,E.W.YU        
JRNL        TITL   A 'BUILD AND RETRIEVE' METHODOLOGY TO SIMULTANEOUSLY SOLVE   
JRNL        TITL 2 CRYO-EM STRUCTURES OF MEMBRANE PROTEINS.                     
JRNL        REF    NAT.METHODS                   V.  18    69 2021              
JRNL        REFN                   ESSN 1548-7105                               
JRNL        PMID   33408407                                                     
JRNL        DOI    10.1038/S41592-020-01021-2                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.38 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   SOFTWARE PACKAGES      : NULL                                      
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)  : 2.380                          
REMARK   3   NUMBER OF PARTICLES               : 334222                         
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 6WTI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-MAY-20.                  
REMARK 100 THE DEPOSITION ID IS D_1000248970.                                   
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                 : UBIQUINOL OXIDASE                 
REMARK 245   SAMPLE CONCENTRATION (MG ML-1) : 0.50                              
REMARK 245   SAMPLE SUPPORT DETAILS         : NULL                              
REMARK 245   SAMPLE VITRIFICATION DETAILS   : NULL                              
REMARK 245   SAMPLE BUFFER                  : NULL                              
REMARK 245   PH                             : 7.50                              
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                  : FEI TITAN KRIOS                
REMARK 245   DETECTOR TYPE                     : GATAN K3 BIOQUANTUM (6K X      
REMARK 245                                       4K)                            
REMARK 245   MINIMUM DEFOCUS (NM)              : NULL                           
REMARK 245   MAXIMUM DEFOCUS (NM)              : NULL                           
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)  : 5000.00                        
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: TETRAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
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     ASN A   661                                                      
REMARK 465     GLY A   662                                                      
REMARK 465     ASN A   663                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ARG B     2                                                      
REMARK 465     LEU B     3                                                      
REMARK 465     ARG B     4                                                      
REMARK 465     LYS B     5                                                      
REMARK 465     TYR B     6                                                      
REMARK 465     ASN B     7                                                      
REMARK 465     LYS B     8                                                      
REMARK 465     SER B     9                                                      
REMARK 465     LEU B    10                                                      
REMARK 465     GLY B    11                                                      
REMARK 465     TRP B    12                                                      
REMARK 465     LEU B    13                                                      
REMARK 465     SER B    14                                                      
REMARK 465     LEU B    15                                                      
REMARK 465     PHE B    16                                                      
REMARK 465     ALA B    17                                                      
REMARK 465     GLY B    18                                                      
REMARK 465     THR B    19                                                      
REMARK 465     VAL B    20                                                      
REMARK 465     LEU B    21                                                      
REMARK 465     LEU B    22                                                      
REMARK 465     SER B    23                                                      
REMARK 465     LYS B   286                                                      
REMARK 465     SER B   287                                                      
REMARK 465     MET B   288                                                      
REMARK 465     ASP B   289                                                      
REMARK 465     MET B   290                                                      
REMARK 465     THR B   291                                                      
REMARK 465     GLN B   292                                                      
REMARK 465     PRO B   293                                                      
REMARK 465     GLU B   294                                                      
REMARK 465     GLY B   295                                                      
REMARK 465     GLU B   296                                                      
REMARK 465     HIS B   297                                                      
REMARK 465     SER B   298                                                      
REMARK 465     ALA B   299                                                      
REMARK 465     HIS B   300                                                      
REMARK 465     GLU B   301                                                      
REMARK 465     GLY B   302                                                      
REMARK 465     MET B   303                                                      
REMARK 465     GLU B   304                                                      
REMARK 465     GLY B   305                                                      
REMARK 465     MET B   306                                                      
REMARK 465     ASP B   307                                                      
REMARK 465     MET B   308                                                      
REMARK 465     SER B   309                                                      
REMARK 465     HIS B   310                                                      
REMARK 465     ALA B   311                                                      
REMARK 465     GLU B   312                                                      
REMARK 465     SER B   313                                                      
REMARK 465     ALA B   314                                                      
REMARK 465     HIS B   315                                                      
REMARK 465     MET C     1                                                      
REMARK 465     ALA C     2                                                      
REMARK 465     THR C     3                                                      
REMARK 465     ASP C     4                                                      
REMARK 465     THR C     5                                                      
REMARK 465     LEU C     6                                                      
REMARK 465     THR C     7                                                      
REMARK 465     HIS C     8                                                      
REMARK 465     ALA C     9                                                      
REMARK 465     THR C    10                                                      
REMARK 465     ALA C    11                                                      
REMARK 465     HIS C    12                                                      
REMARK 465     ALA C    13                                                      
REMARK 465     HIS C    14                                                      
REMARK 465     GLU C    15                                                      
REMARK 465     HIS C    16                                                      
REMARK 465     GLY C    17                                                      
REMARK 465     HIS C    18                                                      
REMARK 465     MET D     1                                                      
REMARK 465     SER D     2                                                      
REMARK 465     HIS D     3                                                      
REMARK 465     SER D     4                                                      
REMARK 465     THR D     5                                                      
REMARK 465     ASP D     6                                                      
REMARK 465     HIS D     7                                                      
REMARK 465     SER D     8                                                      
REMARK 465     GLY D     9                                                      
REMARK 465     ALA D    10                                                      
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     SER A  51    OG                                                  
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    ASP A   8       39.16    -89.09                                   
REMARK 500    PRO A  11       72.72    -68.97                                   
REMARK 500    PHE A 335       51.73   -151.75                                   
REMARK 500    ASN A 412       -1.51     64.49                                   
REMARK 500    VAL A 428      -72.34    -89.89                                   
REMARK 500    GLN A 486       49.10     34.42                                   
REMARK 500    ASN A 526       58.27   -115.01                                   
REMARK 500    TRP B 136       43.43   -143.05                                   
REMARK 500    SER B 169      -73.71   -128.46                                   
REMARK 500    SER B 211       34.86   -144.36                                   
REMARK 500    ASP B 272       64.22   -110.75                                   
REMARK 500    ASP C 131       46.44    -96.24                                   
REMARK 500    ARG C 132      -25.88   -142.10                                   
REMARK 500    ALA D  41     -160.40   -128.22                                   
REMARK 500    VAL D  63      -66.45    -93.71                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     3PE A 1005                                                       
REMARK 610     3PE A 1006                                                       
REMARK 610     3PE A 1007                                                       
REMARK 610     U9V A 1008                                                       
REMARK 610     3PE A 1009                                                       
REMARK 610     3PE B  401                                                       
REMARK 610     3PE C  401                                                       
REMARK 610     3PE C  402                                                       
REMARK 610     3PE D  201                                                       
REMARK 610     3PE D  202                                                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A1001  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 106   NE2                                                    
REMARK 620 2 HEM A1001   NA   84.4                                              
REMARK 620 3 HEM A1001   NB   89.0  87.8                                        
REMARK 620 4 HEM A1001   NC   94.0 173.7  86.1                                  
REMARK 620 5 HEM A1001   ND   91.9  93.7 178.3  92.4                            
REMARK 620 6 HIS A 421   NE2 172.2  88.9  86.8  92.3  92.5                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CU A1003  CU                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 284   ND1                                                    
REMARK 620 2 HIS A 333   NE2 103.7                                              
REMARK 620 3 HIS A 334   NE2 111.8  77.5                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEO A1002  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 419   NE2                                                    
REMARK 620 2 HEO A1002   NA   85.3                                              
REMARK 620 3 HEO A1002   NB   97.9  89.1                                        
REMARK 620 4 HEO A1002   NC  118.8 155.8  86.6                                  
REMARK 620 5 HEO A1002   ND  102.8  87.1 158.6  88.4                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue HEM A 1001                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue HEO A 1002                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CU A 1003                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue UQ8 A 1004                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 3PE A 1005                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 3PE A 1006                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 3PE A 1007                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue U9V A 1008                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 3PE A 1009                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 3PE B 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 3PE C 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 3PE C 402                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 3PE D 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 3PE D 202                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: EMD-21897   RELATED DB: EMDB                             
REMARK 900 THE CRYO-EM STRUCTURE OF THE UBIQUINOL OXIDASE FROM ESCHERICHIA COLI 
DBREF  6WTI A    1   663  UNP    H4KCU1   H4KCU1_ECOLX     1    663             
DBREF1 6WTI B    1   315  UNP                  A0A024L5V9_ECOLX                 
DBREF2 6WTI B     A0A024L5V9                          1         315             
DBREF  6WTI C    1   204  UNP    D6I7E4   D6I7E4_ECOLX     1    204             
DBREF  6WTI D    1   109  UNP    I2RK84   I2RK84_ECOLX     1    109             
SEQRES   1 A  663  MET PHE GLY LYS LEU SER LEU ASP ALA VAL PRO PHE HIS          
SEQRES   2 A  663  GLU PRO ILE VAL MET VAL THR ILE ALA GLY ILE ILE LEU          
SEQRES   3 A  663  GLY GLY LEU ALA LEU VAL GLY LEU ILE THR TYR PHE GLY          
SEQRES   4 A  663  LYS TRP THR TYR LEU TRP LYS GLU TRP LEU THR SER VAL          
SEQRES   5 A  663  ASP HIS LYS ARG LEU GLY ILE MET TYR ILE ILE VAL ALA          
SEQRES   6 A  663  ILE VAL MET LEU LEU ARG GLY PHE ALA ASP ALA ILE MET          
SEQRES   7 A  663  MET ARG SER GLN GLN ALA LEU ALA SER ALA GLY GLU ALA          
SEQRES   8 A  663  GLY PHE LEU PRO PRO HIS HIS TYR ASP GLN ILE PHE THR          
SEQRES   9 A  663  ALA HIS GLY VAL ILE MET ILE PHE PHE VAL ALA MET PRO          
SEQRES  10 A  663  PHE VAL ILE GLY LEU MET ASN LEU VAL VAL PRO LEU GLN          
SEQRES  11 A  663  ILE GLY ALA ARG ASP VAL ALA PHE PRO PHE LEU ASN ASN          
SEQRES  12 A  663  LEU SER PHE TRP PHE THR VAL VAL GLY VAL ILE LEU VAL          
SEQRES  13 A  663  ASN VAL SER LEU GLY VAL GLY GLU PHE ALA GLN THR GLY          
SEQRES  14 A  663  TRP LEU ALA TYR PRO PRO LEU SER GLY ILE GLU TYR SER          
SEQRES  15 A  663  PRO GLY VAL GLY VAL ASP TYR TRP ILE TRP SER LEU GLN          
SEQRES  16 A  663  LEU SER GLY ILE GLY THR THR LEU THR GLY ILE ASN PHE          
SEQRES  17 A  663  PHE VAL THR ILE LEU LYS MET ARG ALA PRO GLY MET THR          
SEQRES  18 A  663  MET PHE LYS MET PRO VAL PHE THR TRP ALA SER LEU CYS          
SEQRES  19 A  663  ALA ASN VAL LEU ILE ILE ALA SER PHE PRO ILE LEU THR          
SEQRES  20 A  663  VAL THR VAL ALA LEU LEU THR LEU ASP ARG TYR LEU GLY          
SEQRES  21 A  663  THR HIS PHE PHE THR ASN ASP MET GLY GLY ASN MET MET          
SEQRES  22 A  663  MET TYR ILE ASN LEU ILE TRP ALA TRP GLY HIS PRO GLU          
SEQRES  23 A  663  VAL TYR ILE LEU ILE LEU PRO VAL PHE GLY VAL PHE SER          
SEQRES  24 A  663  GLU ILE ALA ALA THR PHE SER ARG LYS ARG LEU PHE GLY          
SEQRES  25 A  663  TYR THR SER LEU VAL TRP ALA THR VAL CYS ILE THR VAL          
SEQRES  26 A  663  LEU SER PHE ILE VAL TRP LEU HIS HIS PHE PHE THR MET          
SEQRES  27 A  663  GLY ALA GLY ALA ASN VAL ASN ALA PHE PHE GLY ILE THR          
SEQRES  28 A  663  THR MET ILE ILE ALA ILE PRO THR GLY VAL LYS ILE PHE          
SEQRES  29 A  663  ASN TRP LEU PHE THR MET TYR GLN GLY ARG ILE VAL PHE          
SEQRES  30 A  663  HIS SER ALA MET LEU TRP THR ILE GLY PHE ILE VAL THR          
SEQRES  31 A  663  PHE SER VAL GLY GLY MET THR GLY VAL LEU LEU ALA VAL          
SEQRES  32 A  663  PRO GLY ALA ASP PHE VAL LEU HIS ASN SER LEU PHE LEU          
SEQRES  33 A  663  ILE ALA HIS PHE HIS ASN VAL ILE ILE GLY GLY VAL VAL          
SEQRES  34 A  663  PHE GLY CYS PHE ALA GLY MET THR TYR TRP TRP PRO LYS          
SEQRES  35 A  663  ALA PHE GLY PHE LYS LEU ASN GLU THR TRP GLY LYS ARG          
SEQRES  36 A  663  ALA PHE TRP PHE TRP ILE ILE GLY PHE PHE VAL ALA PHE          
SEQRES  37 A  663  MET PRO LEU TYR ALA LEU GLY PHE MET GLY MET THR ARG          
SEQRES  38 A  663  ARG LEU SER GLN GLN ILE ASP PRO GLN PHE HIS THR MET          
SEQRES  39 A  663  LEU MET ILE ALA ALA SER GLY ALA VAL LEU ILE ALA LEU          
SEQRES  40 A  663  GLY ILE LEU CYS LEU VAL ILE GLN MET TYR VAL SER ILE          
SEQRES  41 A  663  ARG ASP ARG ASP GLN ASN ARG ASP LEU THR GLY ASP PRO          
SEQRES  42 A  663  TRP GLY GLY ARG THR LEU GLU TRP ALA THR SER SER PRO          
SEQRES  43 A  663  PRO PRO PHE TYR ASN PHE ALA VAL VAL PRO HIS VAL HIS          
SEQRES  44 A  663  GLU ARG ASP ALA PHE TRP GLU MET LYS GLU LYS GLY GLU          
SEQRES  45 A  663  ALA TYR LYS LYS PRO ASP HIS TYR GLU GLU ILE HIS MET          
SEQRES  46 A  663  PRO LYS ASN SER GLY ALA GLY ILE VAL ILE ALA ALA PHE          
SEQRES  47 A  663  SER THR ILE PHE GLY PHE ALA MET ILE TRP HIS ILE TRP          
SEQRES  48 A  663  TRP LEU ALA ILE VAL GLY PHE ALA GLY MET ILE ILE THR          
SEQRES  49 A  663  TRP ILE VAL LYS SER PHE ASP GLU ASP VAL ASP TYR TYR          
SEQRES  50 A  663  VAL PRO VAL ALA GLU ILE GLU LYS LEU GLU ASN GLN HIS          
SEQRES  51 A  663  PHE ASP GLU ILE THR LYS ALA GLY LEU LYS ASN GLY ASN          
SEQRES   1 B  315  MET ARG LEU ARG LYS TYR ASN LYS SER LEU GLY TRP LEU          
SEQRES   2 B  315  SER LEU PHE ALA GLY THR VAL LEU LEU SER GLY CYS ASN          
SEQRES   3 B  315  SER ALA LEU LEU ASP PRO LYS GLY GLN ILE GLY LEU GLU          
SEQRES   4 B  315  GLN ARG SER LEU ILE LEU THR ALA PHE GLY LEU MET LEU          
SEQRES   5 B  315  ILE VAL VAL ILE PRO ALA ILE LEU MET ALA VAL GLY PHE          
SEQRES   6 B  315  ALA TRP LYS TYR ARG ALA SER ASN LYS ASP ALA LYS TYR          
SEQRES   7 B  315  SER PRO ASN TRP SER HIS SER ASN LYS VAL GLU ALA VAL          
SEQRES   8 B  315  VAL TRP THR VAL PRO ILE LEU ILE ILE ILE PHE LEU ALA          
SEQRES   9 B  315  VAL LEU THR TRP LYS THR THR HIS ALA LEU GLU PRO SER          
SEQRES  10 B  315  LYS PRO LEU ALA HIS ASP GLU LYS PRO ILE THR ILE GLU          
SEQRES  11 B  315  VAL VAL SER MET ASP TRP LYS TRP PHE PHE ILE TYR PRO          
SEQRES  12 B  315  GLU GLN GLY ILE ALA THR VAL ASN GLU ILE ALA PHE PRO          
SEQRES  13 B  315  ALA ASN THR PRO VAL TYR PHE LYS VAL THR SER ASN SER          
SEQRES  14 B  315  VAL MET ASN SER PHE PHE ILE PRO ARG LEU GLY SER GLN          
SEQRES  15 B  315  ILE TYR ALA MET ALA GLY MET GLN THR ARG LEU HIS LEU          
SEQRES  16 B  315  ILE ALA ASN GLU PRO GLY THR TYR ASP GLY ILE SER ALA          
SEQRES  17 B  315  SER TYR SER GLY PRO GLY PHE SER GLY MET LYS PHE LYS          
SEQRES  18 B  315  ALA ILE ALA THR PRO ASP ARG ALA ALA PHE ASP GLN TRP          
SEQRES  19 B  315  VAL ALA LYS ALA LYS GLN SER PRO ASN THR MET SER ASP          
SEQRES  20 B  315  MET ALA ALA PHE GLU LYS LEU ALA ALA PRO SER GLU TYR          
SEQRES  21 B  315  ASN GLN VAL GLU TYR PHE SER ASN VAL LYS PRO ASP LEU          
SEQRES  22 B  315  PHE ALA ASP VAL ILE ASN LYS PHE MET ALA HIS GLY LYS          
SEQRES  23 B  315  SER MET ASP MET THR GLN PRO GLU GLY GLU HIS SER ALA          
SEQRES  24 B  315  HIS GLU GLY MET GLU GLY MET ASP MET SER HIS ALA GLU          
SEQRES  25 B  315  SER ALA HIS                                                  
SEQRES   1 C  204  MET ALA THR ASP THR LEU THR HIS ALA THR ALA HIS ALA          
SEQRES   2 C  204  HIS GLU HIS GLY HIS HIS ASP ALA GLY GLY THR LYS ILE          
SEQRES   3 C  204  PHE GLY PHE TRP ILE TYR LEU MET SER ASP CYS ILE LEU          
SEQRES   4 C  204  PHE SER ILE LEU PHE ALA THR TYR ALA VAL LEU VAL ASN          
SEQRES   5 C  204  GLY THR ALA GLY GLY PRO THR GLY LYS ASP ILE PHE GLU          
SEQRES   6 C  204  LEU PRO PHE VAL LEU VAL GLU THR PHE LEU LEU LEU PHE          
SEQRES   7 C  204  SER SER ILE THR TYR GLY MET ALA ALA ILE ALA MET TYR          
SEQRES   8 C  204  LYS ASN ASN LYS SER GLN VAL ILE SER TRP LEU ALA LEU          
SEQRES   9 C  204  THR TRP LEU PHE GLY ALA GLY PHE ILE GLY MET GLU ILE          
SEQRES  10 C  204  TYR GLU PHE HIS HIS LEU ILE VAL ASN GLY MET GLY PRO          
SEQRES  11 C  204  ASP ARG SER GLY PHE LEU SER ALA PHE PHE ALA LEU VAL          
SEQRES  12 C  204  GLY THR HIS GLY LEU HIS VAL THR SER GLY LEU ILE TRP          
SEQRES  13 C  204  MET ALA VAL LEU MET VAL GLN ILE ALA ARG ARG GLY LEU          
SEQRES  14 C  204  THR SER THR ASN ARG THR ARG ILE MET CYS LEU SER LEU          
SEQRES  15 C  204  PHE TRP HIS PHE LEU ASP VAL VAL TRP ILE CYS VAL PHE          
SEQRES  16 C  204  THR VAL VAL TYR LEU MET GLY ALA MET                          
SEQRES   1 D  109  MET SER HIS SER THR ASP HIS SER GLY ALA SER HIS GLY          
SEQRES   2 D  109  SER VAL LYS THR TYR MET THR GLY PHE ILE LEU SER ILE          
SEQRES   3 D  109  ILE LEU THR VAL ILE PRO PHE TRP MET VAL MET THR GLY          
SEQRES   4 D  109  ALA ALA SER PRO ALA VAL ILE LEU GLY THR ILE LEU ALA          
SEQRES   5 D  109  MET ALA VAL VAL GLN VAL LEU VAL HIS LEU VAL CYS PHE          
SEQRES   6 D  109  LEU HIS MET ASN THR LYS SER ASP GLU GLY TRP ASN MET          
SEQRES   7 D  109  THR ALA PHE VAL PHE THR VAL LEU ILE ILE ALA ILE LEU          
SEQRES   8 D  109  VAL VAL GLY SER ILE TRP ILE MET TRP ASN LEU ASN TYR          
SEQRES   9 D  109  ASN MET MET MET HIS                                          
HET    HEM  A1001      43                                                       
HET    HEO  A1002      59                                                       
HET     CU  A1003       1                                                       
HET    UQ8  A1004      53                                                       
HET    3PE  A1005      47                                                       
HET    3PE  A1006      28                                                       
HET    3PE  A1007      10                                                       
HET    U9V  A1008      35                                                       
HET    3PE  A1009      26                                                       
HET    3PE  B 401      14                                                       
HET    3PE  C 401      47                                                       
HET    3PE  C 402      40                                                       
HET    3PE  D 201      45                                                       
HET    3PE  D 202      17                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     HEO HEME O                                                           
HETNAM      CU COPPER (II) ION                                                  
HETNAM     UQ8 UBIQUINONE-8                                                     
HETNAM     3PE 1,2-DISTEAROYL-SN-GLYCEROPHOSPHOETHANOLAMINE                     
HETNAM     U9V PENTADECYL(TETRADECYL)PEROXYANHYDRIDE                            
HETSYN     HEM HEME                                                             
HETSYN     UQ8 2,3-DIMETHOXY-5-METHYL-6-[(6E,10E,14E,18E,22E,26E)-3,7,          
HETSYN   2 UQ8  11,15,19,23,27,31-OCTAMETHYLDOTRIACONTA-2,6,10,14,18,           
HETSYN   3 UQ8  22,26,30-OC TAEN-1-YL]CYCLOHEXA-2,5-DIENE-1,4-DIONE             
HETSYN     3PE 3-SN-PHOSPHATIDYLETHANOLAMINE; 1,2-DIACYL-SN-GLYCERO-3-          
HETSYN   2 3PE  PHOSPHOETHANOLAMINE                                             
FORMUL   5  HEM    C34 H32 FE N4 O4                                             
FORMUL   6  HEO    C49 H58 FE N4 O5 2+                                          
FORMUL   7   CU    CU 2+                                                        
FORMUL   8  UQ8    C49 H74 O4                                                   
FORMUL   9  3PE    9(C41 H82 N O8 P)                                            
FORMUL  12  U9V    C33 H64 O4                                                   
HELIX    1 AA1 SER A    6  VAL A   10  5                                   5    
HELIX    2 AA2 GLU A   14  GLY A   39  1                                  26    
HELIX    3 AA3 LYS A   40  TRP A   48  1                                   9    
HELIX    4 AA4 ASP A   53  SER A   87  1                                  35    
HELIX    5 AA5 PRO A   95  PHE A  113  1                                  19    
HELIX    6 AA6 VAL A  114  GLY A  132  1                                  19    
HELIX    7 AA7 PHE A  138  VAL A  162  1                                  25    
HELIX    8 AA8 TYR A  173  GLY A  178  1                                   6    
HELIX    9 AA9 VAL A  185  MET A  215  1                                  31    
HELIX   10 AB1 THR A  221  MET A  225  5                                   5    
HELIX   11 AB2 PRO A  226  LEU A  259  1                                  34    
HELIX   12 AB3 ASN A  271  SER A  306  1                                  36    
HELIX   13 AB4 GLY A  312  SER A  327  1                                  16    
HELIX   14 AB5 PHE A  328  ILE A  329  5                                   2    
HELIX   15 AB6 VAL A  330  PHE A  335  5                                   6    
HELIX   16 AB7 GLY A  341  ILE A  355  1                                  15    
HELIX   17 AB8 ILE A  355  TYR A  371  1                                  17    
HELIX   18 AB9 HIS A  378  ALA A  402  1                                  25    
HELIX   19 AC1 VAL A  403  HIS A  411  1                                   9    
HELIX   20 AC2 SER A  413  VAL A  428  1                                  16    
HELIX   21 AC3 VAL A  428  TRP A  440  1                                  13    
HELIX   22 AC4 TRP A  440  GLY A  445  1                                   6    
HELIX   23 AC5 ASN A  449  MET A  477  1                                  29    
HELIX   24 AC6 ASP A  488  GLN A  490  5                                   3    
HELIX   25 AC7 PHE A  491  ARG A  521  1                                  31    
HELIX   26 AC8 THR A  538  THR A  543  5                                   6    
HELIX   27 AC9 ASP A  562  GLY A  571  1                                  10    
HELIX   28 AD1 GLY A  590  TRP A  608  1                                  19    
HELIX   29 AD2 ILE A  610  LYS A  628  1                                  19    
HELIX   30 AD3 PRO A  639  GLY A  658  1                                  20    
HELIX   31 AD4 GLY B   34  TYR B   69  1                                  36    
HELIX   32 AD5 SER B   85  LEU B  114  1                                  30    
HELIX   33 AD6 GLY B  214  GLY B  217  5                                   4    
HELIX   34 AD7 ASP B  227  LYS B  239  1                                  13    
HELIX   35 AD8 ASP B  247  ALA B  255  1                                   9    
HELIX   36 AD9 ASP B  272  LYS B  280  1                                   9    
HELIX   37 AE1 ASP C   20  LEU C   50  1                                  31    
HELIX   38 AE2 THR C   59  PHE C   64  1                                   6    
HELIX   39 AE3 GLU C   65  LYS C   92  1                                  28    
HELIX   40 AE4 ASN C   94  VAL C  125  1                                  32    
HELIX   41 AE5 SER C  133  GLY C  168  1                                  36    
HELIX   42 AE6 THR C  170  VAL C  198  1                                  29    
HELIX   43 AE7 VAL C  198  MET C  204  1                                   7    
HELIX   44 AE8 SER D   14  GLY D   39  1                                  26    
HELIX   45 AE9 SER D   42  PHE D   65  1                                  24    
HELIX   46 AF1 LYS D   71  GLU D   74  5                                   4    
HELIX   47 AF2 GLY D   75  ASN D  105  1                                  31    
SHEET    1 AA1 2 ILE A 583  PRO A 586  0                                        
SHEET    2 AA1 2 ASP A 635  VAL A 638 -1  O  VAL A 638   N  ILE A 583           
SHEET    1 AA2 6 THR B 191  LEU B 195  0                                        
SHEET    2 AA2 6 VAL B 161  SER B 167 -1  N  VAL B 161   O  LEU B 195           
SHEET    3 AA2 6 ILE B 127  MET B 134  1  N  ILE B 129   O  LYS B 164           
SHEET    4 AA2 6 LYS B 137  TYR B 142 -1  O  PHE B 139   N  VAL B 132           
SHEET    5 AA2 6 ILE B 147  VAL B 150 -1  O  ILE B 147   N  TYR B 142           
SHEET    6 AA2 6 GLU B 264  PHE B 266 -1  O  GLU B 264   N  VAL B 150           
SHEET    1 AA3 5 GLU B 152  PRO B 156  0                                        
SHEET    2 AA3 5 LYS B 219  THR B 225  1  O  ILE B 223   N  ILE B 153           
SHEET    3 AA3 5 GLY B 201  SER B 207 -1  N  TYR B 203   O  ALA B 222           
SHEET    4 AA3 5 ASN B 172  PHE B 175 -1  N  PHE B 175   O  ILE B 206           
SHEET    5 AA3 5 ILE B 183  ALA B 185 -1  O  ALA B 185   N  ASN B 172           
LINK         NE2 HIS A 106                FE   HEM A1001     1555   1555  2.59  
LINK         ND1 HIS A 284                CU    CU A1003     1555   1555  1.97  
LINK         NE2 HIS A 333                CU    CU A1003     1555   1555  2.58  
LINK         NE2 HIS A 334                CU    CU A1003     1555   1555  1.88  
LINK         NE2 HIS A 419                FE   HEO A1002     1555   1555  2.66  
LINK         NE2 HIS A 421                FE   HEM A1001     1555   1555  2.36  
SITE     1 AC1 15 PHE A  73  MET A  79  PHE A 103  HIS A 106                    
SITE     2 AC1 15 GLY A 107  MET A 110  ILE A 111  TRP A 170                    
SITE     3 AC1 15 ILE A 417  HIS A 421  ILE A 424  VAL A 429                    
SITE     4 AC1 15 PHE A 468  ARG A 481  ARG A 482                               
SITE     1 AC2 26 TRP A 170  VAL A 287  TYR A 288  ILE A 291                    
SITE     2 AC2 26 HIS A 333  HIS A 334  ILE A 355  ALA A 356                    
SITE     3 AC2 26 THR A 359  GLY A 395  GLY A 398  VAL A 399                    
SITE     4 AC2 26 LEU A 401  ALA A 402  ASP A 407  HIS A 411                    
SITE     5 AC2 26 LEU A 416  HIS A 419  PHE A 420  VAL A 423                    
SITE     6 AC2 26 ILE A 424  ARG A 481  MET B  51  VAL B  54                    
SITE     7 AC2 26 VAL B  55  ILE B 100                                          
SITE     1 AC3  3 HIS A 284  HIS A 333  HIS A 334                               
SITE     1 AC4 13 ILE A  16  VAL A  17  THR A  20  LEU A  70                    
SITE     2 AC4 13 ARG A  71  ALA A  74  ASP A  75  MET A  78                    
SITE     3 AC4 13 HIS A  98  GLN A 101  ILE A 102  ASN A 157                    
SITE     4 AC4 13 LEU A 160                                                     
SITE     1 AC5 13 PHE A 138  PRO A 139  PHE A 140  LEU A 141                    
SITE     2 AC5 13 GLN A 195  PHE A 602  TRP A 625  LYS A 628                    
SITE     3 AC5 13 LYS C  25  GLY C  28  PHE C  29  TYR C  32                    
SITE     4 AC5 13 3PE C 401                                                     
SITE     1 AC6  3 ALA A 251  TRP A 611  3PE A1007                               
SITE     1 AC7  1 3PE A1006                                                     
SITE     1 AC8  9 TRP A  48  ILE A  62  ILE A  63  VAL A 150                    
SITE     2 AC8  9 TRP A 439  TRP A 440  PHE A 444  ARG A 523                    
SITE     3 AC8  9 3PE A1009                                                     
SITE     1 AC9  4 TYR A 517  ARG A 521  ARG A 523  U9V A1008                    
SITE     1 AD1  4 ILE A 350  ILE A 354  ILE B 101  TRP B 108                    
SITE     1 AD2 11 VAL A 248  ALA A 251  PHE A 618  TRP A 625                    
SITE     2 AD2 11 3PE A1005  LYS C  25  TYR C  32  HIS C 149                    
SITE     3 AD2 11 SER C 152  TRP C 156  ARG C 176                               
SITE     1 AD3  6 PHE C 120  HIS C 121  ILE C 124  ALA C 141                    
SITE     2 AD3  6 GLY C 144  THR C 145                                          
SITE     1 AD4  6 PHE C  44  ALA C  48  MET C 201  VAL D  85                    
SITE     2 AD4  6 ILE D  88  VAL D  93                                          
SITE     1 AD5  4 MET A 222  TRP A 230  ILE A 240  PHE D  83                    
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