Stabilizing bound O2 in myoglobin by valine68 (E11) to asparagine substitution.
Krzywda, S., Murshudov, G.N., Brzozowski, A.M., Jaskolski, M., Scott, E.E., Klizas, S.A., Gibson, Q.H., Olson, J.S., Wilkinson, A.J.(1998) Biochemistry 37: 15896-15907
- PubMed: 9843395 
- DOI: 10.1021/bi9812470
- Primary Citation of Related Structures:  
- PubMed Abstract: 
The isopropyl side chain of valine68 in myoglobin has been replaced by the acetamide side chain of asparagine in an attempt to engineer higher oxygen affinity. The asparagine replacement introduces a second hydrogen bond donor group into the distal h ...