TY - JOUR AU - David Gallagher AU - N Smith AU - Sung Kim AU - Howard Robinson AU - Prasad Reddy C2 - Journal of Crystal Growth DA - 2009-08-05 LA - en M1 - 9 PB - Journal of Crystal Growth PY - 2009 TI - Protein crystal engineering of YpAC-IV using a strategy of excess charge reduction ER -