%0 Journal Article %T The scale-free nature of protein sequence space %A Catharina Zeil %A Jščrgen Pleiss %A Patrick C. F. Buchholz %J Archive of "PLoS ONE". %D 2018 %R 10.1371/journal.pone.0200815 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6070207/