If the archive fails to open, ensure it was downloaded completely, as RAR files support error recovery records but may still be unreadable if severely truncated.
A "write-up" for psf.rar generally implies a technical report detailing the contents, purpose, and usage of a (PSF) archive, commonly used in molecular dynamics simulations. 1. Executive Summary psf.rar
In a NAMD configuration file, point to the extracted file: structure input.psf . If the archive fails to open, ensure it
Load the PSF into VMD first, then load the coordinate file on top of it to correctly display bonds and representations. If the archive fails to open