Experimental phasing of serial femtosecond crystallography data

Area of Science:

• Structural biology
• Crystallography
• X-ray diffraction

Background:

• Determining novel molecular structures is crucial for understanding biological processes.
• Traditional phasing methods can be limited by crystal size and radiation damage.
• X-ray free-electron lasers (XFELs) offer unprecedented brightness for diffraction experiments.

Purpose of the Study:

• To provide a synopsis of current de novo phasing techniques.
• To discuss the prospects and challenges of using XFEL diffraction data for de novo phasing.
• To highlight the potential impact on structural determination.

Main Methods:

• Review of existing de novo phasing algorithms.
• Analysis of diffraction data characteristics from XFEL sources.
• Computational modeling and simulation of phasing strategies.

Main Results:

• De novo phasing with XFEL data shows promise for solving challenging structures.
• Specific algorithms and data processing pipelines are being developed.
• The high intensity and short pulse duration of XFELs present unique opportunities and challenges.

Conclusions:

• De novo phasing using XFEL diffraction data is a rapidly advancing field.
• Further development is needed to fully realize its potential for routine structure determination.
• This technique is expected to expand the scope of achievable structural biology.