H98Q mutant of the homing endonuclease I-PPOI complexed with DNA

Mutability of an HNH nuclease imidazole general base and exchange of a deprotonation mechanism.

(DT)(DT)(DG)(DA)(DC)(DT)(DC)(DT)(DC)(DT)(DT)(DA)(DA)(DG)(DA)(DG)(DA)(DG)(DT)(DC)
(DA)

MALTNAQILAVIDSWEETVGQFPVITHHVPLGGGLQGTLHCYEIPLAAPYGVGFAKNGPTRWQYKRTINQVVHRWGSHTV
PFLLEPDNINGKTCTASQLCHNTRCHNPLHLCWESLDDNKGRNWCPGPNGGCVHAVVCLRQGPLYGPGATVAGPQQRGSH
FVV

0.1 M Citrate, pH 5.2-5.8, 20 mM NaCl, 2 mM EDTA, 20-30% PEG 4000, VAPOR DIFFUSION, HANGING DROP, temperature 278K

HOMING ENDONUCLEASE, HOMODIMER, PROTEIN-DNA COMPLEX, HNH, HYDROLASE-DNA COMPLEX

MALTNAQILAVIDSWEETVGQFPVITHHVPLGGGLQGTLHCYEIPLAAPYGVGFAKNGPTRWQYKRTINQVVHRWGSHTV
PFLLEPDNINGKTCTASHLCHNTRCHNPLHLCWESLDDNKGRNWCPGPNGGCVHAVVCLRQGPLYGPGATVAGPQQRGSH
FVV