Pete's paper mapping ACE2 interactions with SARS-CoV-2 is published in PLoS One!

Heinzelman P, Romero PA. Discovery of human ACE2 variants with altered recognition by the SARS-CoV-2 spike protein. PLoS ONE (2021)
https://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0251585