609 A VAL 0.33 0.56 0.55 1.0 611 A GLN 0.49 0.43 0.58 1.0 612 A GLU 0.32 0.33 0.62 1.0 613 A PHE 0.53 1.00 0.46 1.0 622 A TYR 0.34 0.80 0.44 1.0 625 A GLN 0.36 0.43 0.68 1.0 626 A HIS 0.24 0.60 0.62 1.0 627 A GLY 0.62 0.41 0.54 1.0