Assignment of Helices
			
			ABBREVIATIONS FOR THE SUBUNITS
                                     
				CHAIN A : SUBUNIT I                                                  
				CHAIN B : SUBUNIT II                                                 
				CHAIN C : SUBUNIT III                                                
				CHAIN D : SUBUNIT IV                                                 
				CHAIN E : SUBUNIT V-A                                                
				CHAIN F : SUBUNIT V-B                                                
				CHAIN G : SUBUNIT VI-A                                               
				CHAIN H : SUBUNIT VI-B                                               
				CHAIN I : SUBUNIT VI-C                                               
				CHAIN J : SUBUNIT VII-A                                              
				CHAIN K : SUBUNIT VII-B                                              
				CHAIN L : SUBUNIT VII-C                                              
				CHAIN M : SUBUNIT VIII
				
NOTE: THE ASSIGNMENT OF TM HELICES IS THAT DEPOSITED IN THE PDB BANK.
IT DIFFERS SLIGHTLY FROM FIG. 2 OF THE SCIENCE PAPER (Tsukihara et al., 272: 1136 (1996).				                                             

Helix No.                                TM Helix No.

    1   PHE A    2  TRP A    6   5    
    2   HIS A   12  LEU A   41  30          I    
    3   ASP A   51  PHE A   67  17          II
    4   VAL A   70  ILE A   75   6    
    5   GLY A   77  ILE A   87  11    
    6   PRO A   95  SER A  116  22          III
    7   ALA A  141  ASN A  170  30          IV
    8   GLN A  178  GLN A  180   3    
    9   LEU A  183  ASP A  212  30          V
   10   PRO A  222  GLY A  224   3    
   11   PRO A  228  SER A  262  35          VI
   12   TYR A  270  PHE A  285  16          VII
   13   TRP A  288  HIS A  291   4    
   14   VAL A  299  LEU A  327  29          VIII
   15   PRO A  336  ALA A  359  24          IX
   16   SER A  361  LEU A  367   7    
   17   TYR A  371  SER A  382  12    
   18   ALA A  385  SER A  401  17          X    
   19   ASP A  407  LEU A  433  27          XI    
   20   ASP A  445  SER A  478  34          XII
   21   THR A  488  THR A  490   3    
   22   LEU A  492  ASN A  496   5
      
   23   PRO B   15  MET B   45  31          I   
   24   GLU B   60  MET B   87  28          II
   25   THR B  125  GLU B  127   3    
   26   PRO B  166  LEU B  168   3    
   27   LEU B  216  SER B  225  10
      
   28   TRP C   16  PHE C   37  22          I   
   29   THR C   41  THR C   66  26          II
   30   PRO C   73  LEU C  106  34          III
   31   PRO C  110  LEU C  112   3    
   32   VAL C  129  GLU C  153  25          IV    		
   33   ARG C  156  GLU C  183  28          V
   34   GLY C  191  LEU C  223  33          VI
   35   PHE C  233  SER C  255  23          VII
   
   36   SER D    8  ALA D   12   5    
   37   ALA D   35  LYS D   45  11    
   38   TRP D   48  SER D   50   3    
   39   ILE D   53  LYS D   63  11    
   40   PHE D   68  MET D   71   4    
   41   GLU D   77  TYR D  102  26          I    
   42   HIS D  109  PHE D  111   3    
   43   GLU D  113  ASP D  125  13    
   44   SER D  135  LYS D  137   3
     
   45   ASP E    8  ASN E   20  13    
   46   ALA E   26  GLY E   38  13    
   47   PRO E   45  ARG E   57  13    
   48   PHE E   61  ALA E   75  15    
   49   LYS E   79  LEU E   96  18    
   50   PRO E  101  LEU E  104   4
       
   51   ASP F    9  GLN F   12   4    
   52   GLY F   15  ARG F   25  11
       
   53   ALA G   13  GLY G   22  10    
   54   ALA G   24  LEU G   37  14         I
      
   55   SER H   18  PHE H   20   3    
   56   THR H   26  THR H   44  19    
   57   GLU H   54  LEU H   63  10    
   58   ILE H   66  GLU H   78  13
       
   59   LEU I   12  ALA I   38  27         I   
   60   ALA I   40  ASN I   53  14    
   61   SER I   56  LYS I   65  10
       
   62   VAL J    5  GLN J   13   9    
   63   ALA J   26  SER J   54  29         I
       
   64   PHE K    9  GLN K   35  27         I
       
   65   LYS L   18  LEU L   44  27         I
       
   66   PRO M   12  TYR M   35  24         I    
   67   LEU M   37  LYS M   41  5