Crystal structure of mutant L124D/R125A/C273S of L-Asparaginase I from Yersinia pestis

The dimeric form of bacterial l-asparaginase YpAI is fully active.

Double crystal - liquid nitrogen cooled Si(111)

National Institutes of Health/National Cancer Institute (NIH/NCI)

HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY