Additional file 2: of A human endogenous retrovirus encoded protease potentially cleaves numerous cellular proteins

Figure S1. Self-processing of HERV-K(HML-2) Protease during purification. Figure S2. Additional examples of verifications of processing of human proteins by HERV-K(HML-2) Protease in vitro. Figure S3. Additional examples of verifications of processing of human proteins by HERV-K(HML-2) Protease in vivo and documentation of loading controls. Figure S4. Quantification of GFP-positive live cells and exclusion of processed protein products due to caspase activity. Figure S5. Localization of EGFP-Pro-mut in human osteosarcoma U2OS and HEK293T cells. Figure S6. Evidence for presence of HERV-K(HML-2) Protease in cell lines known to express HERV-K(HML-2) at relatively high levels. (PDF 5270 kb)