Table 4. List of the EAAT3 residues coordinating the Glu substrate atoms.
Glu- | Outward | Inward | |
Helix-Residue | atom | EAAT3 | EAAT3 |
HP1 - S331 (O) | -N | ||
HP1 - S333 (N) | -O1 | ||
HP1 - S333 (OH) | -O2 | ||
TM7 - T370 (OH) | -O2 | ||
HP2 - V411 (O) | -N | ||
HP2 - G415 (N) | -O1 | ||
TM8 - D444 (O1) | -N | ||
TM8 - R447 (N1) | -O1 | ||
TM8 - R447 (N2) | -O2 | ||
TM8 - T448 (OH) | -N | ||
TM8 - N451 (Nδ) | -O2 |
The average N–O and O–O distances (in Å) are obtained from 5 ns of MD simulations in the closed conformation of the outward and inward-facing states of the transporter. Bare O and N atoms in parenthesis refer to the backbone atoms and the others with subscripts refer to the side chain atoms.