TABLE 4.
Interactions between the β-subunit and the active channela
| Source residue | Atom | Contact residue | Contact atom | Distance (Å) |
|---|---|---|---|---|
| Glu152 | CB | Lys300 | NZ | 3.52 |
| Glu152 | CG | Lys300 | NZ | 3.94 |
| Glu152 | CD | Lys298 | CG | 3.89 |
| Lys300 | NZ | 4.00 | ||
| Glu152 | OE1 | Lys298 | CE | 3.48 |
| Lys298 | CG | 3.68 | ||
| Glu152 | OE2 | Lys298 | CG | 3.47 |
| Lys300 | CE | 3.79 | ||
| Lys300 | NZ | 3.18 | ||
| Ser154 | C | Arg336 | NH1 | 3.86 |
| Ser154 | O | Arg336 | CZ | 3.80 |
| Arg336 | NH1 | 2.88 | ||
| Arg336 | NH2 | 3.82 | ||
| Gln155 | CA | Arg336 | NH1 | 3.68 |
| Gln155 | OE1 | Lys300 | CB | 3.49 |
| Lys300 | CA | 3.69 | ||
| Lys300 | C | 3.73 | ||
| Gln155 | C | Arg336 | NH1 | 3.68 |
| Cys156 | N | Arg336 | CZ | 3.96 |
| Arg336 | NH1 | 3.33 | ||
| Cys156 | CB | Arg336 | CZ | 3.41 |
| Arg336 | NH1 | 3.67 | ||
| Arg336 | NH2 | 3.64 | ||
| Arg336 | NE | 3.66 | ||
| Cys156 | O | Arg336 | CD | 3.91 |
| Asp159 | CG | Arg282 | NH2 | 3.38 |
| Asp159 | OD1 | Arg282 | CZ | 3.76 |
| Arg282 | NH2 | 2.57 | ||
| His418 | NE2 | 3.49 | ||
| Asp159 | OD2 | Arg282 | NH2 | 3.43 |
| Glu163 | CG | Arg160 | NH1 | 3.17 |
| Glu163 | CD | Arg160 | NH1 | 3.26 |
| Glu163 | OE2 | Arg160 | CZ | 3.98 |
| Arg160 | NH1 | 2.70 | ||
| Gly164 | N | Arg160 | NH1 | 3.77 |
| Arg160 | N | 3.50 | ||
| Gly164 | CA | Arg160 | CZ | 3.68 |
| Arg160 | NH1 | 3.92 | ||
| Arg160 | NH2 | 3.54 | ||
| Arg160 | CB | 3.89 | ||
| Arg160 | N | 3.44 | ||
| Arg160 | CA | 3.73 | ||
| Gly164 | C | Arg160 | N | 3.57 |
| Gly165 | N | Arg160 | N | 3.64 |
a
The interactions with a distance within 4 Å between the contact residues and the source residues from the α-subunit and β-subunit, respectively, are given.