Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 A 301 |
| Chain | Residue |
| A | LYS255 |
| A | TYR263 |
| B | GLN32 |
| B | SER41 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | binding site for residue SO4 A 302 |
| Chain | Residue |
| A | HOH473 |
| D | SO4304 |
| A | ASN156 |
| A | TYR157 |
| A | TYR198 |
| A | HOH408 |
| A | HOH431 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | binding site for residue SO4 A 303 |
| Chain | Residue |
| A | SER44 |
| A | CYS45 |
| A | SER46 |
| B | LEU5 |
| B | PHE36 |
| B | ILE43 |
| site_id | AC4 |
| Number of Residues | 1 |
| Details | binding site for residue SO4 A 304 |
| site_id | AC5 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 B 301 |
| Chain | Residue |
| B | ARG13 |
| B | GLN14 |
| B | HOH408 |
| site_id | AC6 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 B 302 |
| Chain | Residue |
| B | HIS27 |
| B | SER46 |
| B | ARG47 |
| B | ASN50 |
| site_id | AC7 |
| Number of Residues | 7 |
| Details | binding site for residue SO4 C 301 |
| Chain | Residue |
| B | THR169 |
| B | TYR206 |
| B | LYS210 |
| C | HIS231 |
| C | LYS235 |
| C | HOH402 |
| C | HOH435 |
| site_id | AC8 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 C 302 |
| Chain | Residue |
| C | HIS101 |
| C | HOH429 |
| C | HOH499 |
| site_id | AC9 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 C 303 |
| Chain | Residue |
| C | ARG79 |
| C | ASP98 |
| C | TYR99 |
| C | HOH429 |
| site_id | AD1 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 D 301 |
| Chain | Residue |
| D | ARG13 |
| D | GLN14 |
| D | HOH403 |
| site_id | AD2 |
| Number of Residues | 5 |
| Details | binding site for residue SO4 D 302 |
| Chain | Residue |
| C | TYR263 |
| C | LYS267 |
| D | SER31 |
| D | SER34 |
| D | ARG38 |
| site_id | AD3 |
| Number of Residues | 2 |
| Details | binding site for residue SO4 D 303 |
| site_id | AD4 |
| Number of Residues | 6 |
| Details | binding site for residue SO4 D 304 |
| Chain | Residue |
| A | SO4302 |
| A | HOH408 |
| A | HOH410 |
| D | PHE161 |
| D | LYS165 |
| D | TYR206 |
| site_id | AD5 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR CHAIN E OF CYCLOSPORIN A |
| Chain | Residue |
| A | ARG81 |
| A | LYS87 |
| A | TYR142 |
| A | GLY149 |
| A | ASN150 |
| A | ARG153 |
| A | ASN190 |
| B | LYS178 |
| B | ASP217 |
| E | HOH101 |
| E | HOH102 |
| E | HOH103 |
| site_id | AD6 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR CHAIN F OF CYCLOSPORIN A |
| Chain | Residue |
| B | ARG81 |
| B | ILE112 |
| B | ILE146 |
| B | ASN150 |
| B | LEU183 |
| B | GLN186 |
| B | ASN190 |
| B | ILE193 |
| B | TYR222 |
| B | LEU262 |
| site_id | AD7 |
| Number of Residues | 14 |
| Details | BINDING SITE FOR CHAIN G OF CYCLOSPORIN A |
| Chain | Residue |
| C | ARG81 |
| C | ILE112 |
| C | ILE146 |
| C | ASN150 |
| C | LEU183 |
| C | GLN186 |
| C | ASN190 |
| C | ILE193 |
| C | TYR222 |
| C | LEU262 |
| D | ASP217 |
| G | HOH101 |
| G | HOH102 |
| G | HOH103 |
| site_id | AD8 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR CHAIN H OF CYCLOSPORIN A |
| Chain | Residue |
| D | LEU262 |
| D | HOH410 |
| H | HOH101 |
| H | HOH102 |
| H | HOH103 |
| D | ARG81 |
| D | ILE112 |
| D | ILE146 |
| D | ASN150 |
| D | ARG153 |
| D | GLN186 |
| D | ASN190 |
| D | TYR222 |
