Table 2. Distances between Residues and Waters around the Chromophore in the A, B and I Forms of GFP That Can Form Hydrogen Bondsa.
bond distances to chromophore (Å) |
|||||||||
---|---|---|---|---|---|---|---|---|---|
GFP-B |
GFP-A |
GFP-I |
|||||||
amino acid | max | min | avg | max | min | avg | max | min | avg |
Gln94 | 3.52 | 1.69 | 2.36 | 2.59 | 1.76 | 2.1 | 2.42 | 1.69 | 2.06 |
Arg96 | 2.1 | 1.49 | 1.72 | 2.03 | 1.51 | 1.71 | 1.99 | 1.5 | 1.7 |
His148 | 2.54 | 1.8 | 2.15 | 5.31 | 3.65 | 4.67 | 3.07 | 1.86 | 2.25 |
Thr203 | 2.46 | 1.61 | 1.96 | 3.85 | 2.71 | 3.3 | 5.95 | 3.8 | 5.26 |
Bolded values = hydrogen bonds.