Use of an ion-binding site to bypass the 1000-atom limit to structure determination by direct methods.
Mooers, B.H., Matthews, B.W.(2004) Acta Crystallogr.,Sect.D 60: 1726-1737
- PubMed: 15388918 
- DOI: 10.1107/S0907444904017020
- Primary Citation of Related Structures:  
- PubMed Abstract: 
Proteins with more than 1000 non-H atoms and without heavy-atom prosthetic groups are very difficult to solve by ab initio direct methods. T4 lysozyme is being used to explore these limits. The protein has 1309 non-H atoms, seven S atoms, no disulfid ...