Table 5.
Corrected and uncorrected Foster radii and Trp214 ⋯ PP distance.
| Sample | R0 (Å) | r (Å) | R0 (Å) [Heme Site] | r (Å) (Heme Site) | R0 (Å) [Cys 34 site] | r (Å) [Cys 34 site] | R0 (Å) [His 67 site] | R (Å) [His 67 site] |
|---|---|---|---|---|---|---|---|---|
| HSA-PPIX | 33.3 | 34.5 | 28.8 (± 2.6) | 27.0 (± 2.7) | 28.1 (± 2.2) | 29.2 (± 2.2) | 32.0 (± 2.7) | 32.6 (± 0.7) |
| HSA-Zn(II)PPIX | 35.1 | 37.1 | 30.5 (± 3.6) | 32.3 (± 3.3) | 32.3 (± 2.3) | 34.2 (± 2.4) | 30.5 (± 2.5) | 32.3 (± 2.6) |
| HSA-Fe(III)PPIX | 31.5 | 28.7 | 35.6 (± 1.6) | 28.0 (± 1.3) | 28.1 (± 1.8) | 25.6 (± 1.7) | 30.1 (± 1.3) | 27.4 (± 1.2) |
| HSA-Mg(II)PPIX | 29.7 | 30.9 | 26.8 (± 4.8) | 27.9 (± 4.9) | 27.1 (± 2.8) | 28.2 (± 2.9) | 25.7 (± 2.0) | 26.7 (± 2.1) |
| HSA-Mn(III)PPIX | 35.9 | 40.1 | 30.1 (± 5.4) | 33.7 (± 6.1) | 34.5 (± 2.3) | 38.6 (± 2.5) | 28.5 (± 1.1) | 31.9 (± 2.2) |
| HSA-Sn(IV)PPIX | 33.6 | 40 | N/A | N/A | ||||
| Estimated Distance from Trp214 to the center of each binding site | 29.7 | 37.3 | 31.0 |