|  | 
 | 
        
          | 1) | chain | A | 
        
          | residue | 3 | 
        
          | type |  | 
        
        
          | sequence | S | 
        
          | description | BINDING SITE FOR RESIDUE SO4 A 156 | 
        
          | source | : AC1 | 
        
          | 
 | 
        
          | 2) | chain | A | 
        
          | residue | 4 | 
        
          | type |  | 
        
        
          | sequence | E | 
        
          | description | BINDING SITE FOR RESIDUE SO4 A 156 | 
        
          | source | : AC1 | 
        
          | 
 | 
        
          | 3) | chain | A | 
        
          | residue | 51 | 
        
          | type |  | 
        
        
          | sequence | T | 
        
          | description | BINDING SITE FOR RESIDUE SO4 A 156 | 
        
          | source | : AC1 | 
        
          | 
 | 
        
          | 4) | chain | A | 
        
          | residue | 52 | 
        
          | type |  | 
        
        
          | sequence | E | 
        
          | description | BINDING SITE FOR RESIDUE SO4 A 156 | 
        
          | source | : AC1 | 
        
          | 
 | 
        
          | 5) | chain | A | 
        
          | residue | 39 | 
        
          | type |  | 
        
        
          | sequence | T | 
        
          | description | BINDING SITE FOR RESIDUE HEM A 154 | 
        
          | source | : AC2 | 
        
          | 
 | 
        
          | 6) | chain | A | 
        
          | residue | 42 | 
        
          | type |  | 
        
        
          | sequence | K | 
        
          | description | BINDING SITE FOR RESIDUE HEM A 154 | 
        
          | source | : AC2 | 
        
          | 
 | 
        
          | 7) | chain | A | 
        
          | residue | 43 | 
        
          | type |  | 
        
        
          | sequence | F | 
        
          | description | BINDING SITE FOR RESIDUE HEM A 154 | 
        
          | source | : AC2 | 
        
          | 
 | 
        
          | 8) | chain | A | 
        
          | residue | 45 | 
        
          | type |  | 
        
        
          | sequence | R | 
        
          | description | BINDING SITE FOR RESIDUE HEM A 154 | 
        
          | source | : AC2 | 
        
          | 
 | 
        
          | 9) | chain | A | 
        
          | residue | 64 | 
        
          | type |  | 
        
        
          | sequence | H | 
        
          | description | BINDING SITE FOR RESIDUE HEM A 154 | 
        
          | source | : AC2 | 
        
          | 
 | 
        
          | 10) | chain | A | 
        
          | residue | 67 | 
        
          | type |  | 
        
        
          | sequence | T | 
        
          | description | BINDING SITE FOR RESIDUE HEM A 154 | 
        
          | source | : AC2 | 
        
          | 
 | 
        
          | 11) | chain | A | 
        
          | residue | 89 | 
        
          | type |  | 
        
        
          | sequence | L | 
        
          | description | BINDING SITE FOR RESIDUE HEM A 154 | 
        
          | source | : AC2 | 
        
          | 
 | 
        
          | 12) | chain | A | 
        
          | residue | 92 | 
        
          | type |  | 
        
        
          | sequence | S | 
        
          | description | BINDING SITE FOR RESIDUE HEM A 154 | 
        
          | source | : AC2 | 
        
          | 
 | 
        
          | 13) | chain | A | 
        
          | residue | 93 | 
        
          | type |  | 
        
        
          | sequence | H | 
        
          | description | BINDING SITE FOR RESIDUE HEM A 154 | 
        
          | source | : AC2 | 
        
          | 
 | 
        
          | 14) | chain | A | 
        
          | residue | 97 | 
        
          | type |  | 
        
        
          | sequence | H | 
        
          | description | BINDING SITE FOR RESIDUE HEM A 154 | 
        
          | source | : AC2 | 
        
          | 
 | 
        
          | 15) | chain | A | 
        
          | residue | 99 | 
        
          | type |  | 
        
        
          | sequence | I | 
        
          | description | BINDING SITE FOR RESIDUE HEM A 154 | 
        
          | source | : AC2 | 
        
          | 
 | 
        
          | 16) | chain | A | 
        
          | residue | 103 | 
        
          | type |  | 
        
        
          | sequence | Y | 
        
          | description | BINDING SITE FOR RESIDUE HEM A 154 | 
        
          | source | : AC2 | 
        
          | 
 |