Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE CS A 116 |
| Chain | Residue |
| A | ALA5 |
| A | DVA6 |
| A | VAL7 |
| B | TRP9 |
| B | DLE10 |
| B | TRP11 |
| site_id | AC2 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE CS A 117 |
| site_id | AC3 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE CS A 118 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE CL A 119 |
| Chain | Residue |
| A | TRP9 |
| A | DLE10 |
| B | ALA5 |
| B | DVA6 |
| B | VAL7 |
| B | DVA8 |
| site_id | AC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CL A 120 |
| Chain | Residue |
| A | ALA3 |
| A | DLE4 |
| B | TRP13 |
| B | DLE14 |
| site_id | AC6 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE CS B 116 |
| Chain | Residue |
| A | DLE14 |
| A | HOH2001 |
| B | ALA3 |
| B | DLE4 |
| B | ALA5 |
| B | HOH2003 |
| site_id | AC7 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CL B 117 |
| Chain | Residue |
| A | HOH2003 |
| B | GLY2 |
| B | ALA3 |
| B | HOH2003 |
| site_id | AC8 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE CS C 116 |
| Chain | Residue |
| C | TRP11 |
| C | DLE12 |
| C | TRP13 |
| C | DLE14 |
| D | ALA5 |
| D | DVA6 |
| D | CL119 |
| site_id | AC9 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE CL C 117 |
| Chain | Residue |
| C | VAL7 |
| C | DVA8 |
| C | TRP9 |
| C | DLE10 |
| D | VAL7 |
| D | DVA8 |
| site_id | BC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE CL C 118 |
| Chain | Residue |
| C | GLY2 |
| C | ALA3 |
| C | DLE4 |
| D | TRP15 |
| D | ETA16 |
| site_id | BC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE CS D 116 |
| Chain | Residue |
| C | ALA3 |
| C | ALA5 |
| D | TRP11 |
| D | DLE12 |
| D | TRP13 |
| D | DLE14 |
| site_id | BC3 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE CS D 117 |
| site_id | BC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE CS D 118 |
| Chain | Residue |
| C | DLE4 |
| C | DLE10 |
| D | DLE10 |
| site_id | BC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CL D 119 |
| Chain | Residue |
| C | CS116 |
| C | HOH2003 |
| D | GLY2 |
| D | ALA3 |
| site_id | BC6 |
| Number of Residues | 39 |
| Details | BINDING SITE FOR CHAIN A OF GRAMICIDIN A |
| Chain | Residue |
| C | HOH2001 |
| D | TRP9 |
| D | DLE14 |
| A | CS116 |
| A | CS117 |
| A | CS118 |
| A | CL119 |
| A | CL120 |
| A | HOH2001 |
| A | HOH2003 |
| A | HOH2003 |
| B | GLY2 |
| B | ALA3 |
| B | ALA3 |
| B | DLE4 |
| B | ALA5 |
| B | DVA6 |
| B | VAL7 |
| B | DVA8 |
| B | TRP9 |
| B | DLE10 |
| B | TRP11 |
| B | DLE12 |
| B | TRP13 |
| B | DLE14 |
| B | TRP15 |
| B | TRP15 |
| B | ETA16 |
| B | CS116 |
| B | CL117 |
| B | HOH2001 |
| B | HOH2002 |
| B | HOH2005 |
| B | HOH2006 |
| C | DLE4 |
| C | TRP9 |
| C | TRP11 |
| C | TRP13 |
| C | TRP15 |
| site_id | BC7 |
| Number of Residues | 37 |
| Details | BINDING SITE FOR CHAIN B OF GRAMICIDIN A |
| Chain | Residue |
| A | GLY2 |
| A | ALA3 |
| A | ALA3 |
| A | DLE4 |
| A | ALA5 |
| A | DVA6 |
| A | VAL7 |
| A | DVA8 |
| A | TRP9 |
| A | DLE10 |
| A | TRP11 |
| A | DLE12 |
| A | TRP13 |
| A | DLE14 |
| A | TRP15 |
| A | TRP15 |
| A | ETA16 |
| A | CS116 |
| A | CS117 |
| A | CL119 |
| A | CL120 |
| A | HOH2001 |
| A | HOH2003 |
| B | CS116 |
| B | CL117 |
| B | HOH2001 |
| B | HOH2002 |
| B | HOH2003 |
| B | HOH2005 |
| B | HOH2006 |
| C | DVA6 |
| C | TRP9 |
| C | DLE10 |
| C | TRP11 |
| D | DVA8 |
| D | TRP11 |
| D | CS117 |
| site_id | BC8 |
| Number of Residues | 36 |
| Details | BINDING SITE FOR CHAIN C OF GRAMICIDIN A |
| Chain | Residue |
| A | DLE4 |
| A | ALA5 |
| A | TRP11 |
| A | TRP13 |
| A | TRP15 |
| A | CS117 |
| B | TRP9 |
| B | TRP11 |
| B | DLE14 |
| B | HOH2006 |
| C | CS116 |
| C | CL117 |
| C | CL118 |
| C | HOH2001 |
| C | HOH2003 |
| D | GLY2 |
| D | GLY2 |
| D | ALA3 |
| D | DLE4 |
| D | ALA5 |
| D | DVA6 |
| D | VAL7 |
| D | DVA8 |
| D | TRP9 |
| D | DLE10 |
| D | TRP11 |
| D | DLE12 |
| D | TRP13 |
| D | DLE14 |
| D | TRP15 |
| D | TRP15 |
| D | ETA16 |
| D | CS116 |
| D | CS118 |
| D | HOH2001 |
| D | HOH2002 |
| site_id | BC9 |
| Number of Residues | 33 |
| Details | BINDING SITE FOR CHAIN D OF GRAMICIDIN A |
| Chain | Residue |
| A | TRP9 |
| A | TRP11 |
| A | CS118 |
| B | DVA8 |
| B | TRP11 |
| C | GLY2 |
| C | GLY2 |
| C | ALA3 |
| C | ALA3 |
| C | DLE4 |
| C | ALA5 |
| C | DVA6 |
| C | VAL7 |
| C | DVA8 |
| C | TRP9 |
| C | DLE10 |
| C | TRP11 |
| C | DLE12 |
| C | TRP13 |
| C | DLE14 |
| C | TRP15 |
| C | TRP15 |
| C | ETA16 |
| C | CS116 |
| C | CL117 |
| C | CL118 |
| C | HOH2001 |
| C | HOH2003 |
| D | CS116 |
| D | CS118 |
| D | CL119 |
| D | HOH2001 |
| D | HOH2002 |