Texas This page does not exist. The deletion, protection, and move log for the page are provided below for reference. 21:51, 28 April 2017 Premeditated Chaos talk contribs deleted page File:Protein-primary-structure.svg (Expired PROD, concern was: superseded by File:Protein primary structure.svg) File usage No pages on the English Wikipedia use this file (pages on other projects are not listed).