: The extension .7z.004 indicates this is a multi-part 7-Zip archive . To open it, you must have all preceding parts (e.g., .001 , .002 , .003 ) in the same folder and use 7-Zip or a similar utility to "Combine Files" or extract from the first part.
If you are looking for the original scientific "paper" that defined LSD1 or its functions, these are the foundational works: LSD1.7z.004
: Histone Demethylation Mediated by the Nuclear Amine Oxidase Homolog LSD1 (published in Cell by Shi et al.). This is the seminal paper that first identified LSD1 as the first known histone demethylase. : The extension
Histone demethylase Lsd1 represses hematopoietic stem and ... - eLife This is the seminal paper that first identified
: Papers like Crystal structure of human histone lysine-specific demethylase 1 describe the AOL and Tower domains essential for its function.