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. 2022 Aug 15;21(9):2173–2184. doi: 10.1021/acs.jproteome.2c00232

Figure 2.

Figure 2

Occurrence of backbone cleavage in animal glue samples. The occurrence of cleavages was semiquantitatively evaluated by calculating the PSMs of semitryptic peptides normalized by the total number of PSMs for the chain (tryptic plus semitryptic). Mixed bovine bone animal glues: BM5, BM2, BM1, BM3, BM4. Mixed bovine hide animal glues: HM1, HM3, HM2, HM4, HM5. Pure bovine hide animal glues: HP8, HP2, HP6, HP4, HP3, HP7. Pure hide animal glues: HP5, HP1.