Supplementary Table S1. Manually Verified Keratin and Collagen Peptides from Unveiling the Xianbei Cavalry: A Multidisciplinary Approach to Restore and Analyze the First Horse-Cavalry Armour Set in China

This table lists keratin and collagen peptides identified in the proteomic analysis after manual inspection and removal of common laboratory contaminants. It supports the authenticity of endogenous protein preservation in the analyzed samples.