Table 2.
Details of the putative calcium-binding site between the A and B subunits; one of 180 such sites in the CCMV capsid.
Subunit | Coordinating residue | Location in fold | Coordinating atoms | Distance to putative Ca2+ |
---|---|---|---|---|
B | Glu81 | αCDII | Oε2 | 2.5 Å |
B | Glu81 | αCDII | O | 3.5 Å |
B | Gln85 | αCDII | Oε1 | 2.4 Å |
B | Glu148 | αGH | Oε1 | 3.8 Å |
A | Gln149 | αGH | Oε1 | 3.6 Å |
A | Asp153 | αGH | 0δ2 | 2.9 Å |