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. 2025 Aug 19;24(9):101054. doi: 10.1016/j.mcpro.2025.101054

Table 3.

Proteases and protease inhibitors identified in I. ricinus Midgut contents

Protein annotation Protein ID Accession no. (major protein IDs) National Center for Biotechnology Information accession no. Razor + unique peptides Unique + razor sequence coverage (%) Mean transformed LFQ values (±SD)
Tissue
FF 4AD 6AD 11AD
Proteases
 Cathepsin L1 (IrCL1) 59 A0A0K8REA0 ABO26562 9 39.4 18.08 (0.20) 17.71 (0.87) Yes
 Cathepsin long (Ir26/29) 371 V5GJA7 JAB70370 4 19 16.61 (0.05) 16.71 (0.18) Yes
 Cathepsin B1 isoform 3 (IrCB1.3) 400 V5HDT5 JAB75624 7 37.4 17.88 (0.39) 18.07 (0.73) 17.71 (0.80) Yes
 Cathepsin C (IrCC) 266 A8D0K2 ABV29335 6 21.7 16.59 (0.39) 16.62 (0.85) 16.71 (0.34) Yes
 Chymotrypsin-like nonpeptidase homolog (HD rich) 127 A0A131XYL3 JAP70806 3 13 18.15 (0.27) 18.60 (0.43) 19.37 (0.78) Yes
 Chymotrypsin-like nonpeptidase homolo (HD rich) 396 V5HAY7 JAB70298 19 61.1 17.97 (0.73) 20.29 (1.12) 19.12 (0.54) 20.75 (0.28) Yes
 Chymotrypsin-like nonpeptidase homolog (HD rich) 402 V5HFD4 JAB72178 5 25.6 19.56 (1.23) 17.60 (1.53) 19.20 (0.58) Yes
 Cubilin-related serine protease 2 257 A0A6B0VD03 JAB71130 3 9.5 16.36 (0.13) 17.01 (0.22) 17.17 (0.71) Yes
 Trypsin-like serine protease 388 V5H4M9 3 17.5 16.66 (0.85) No
Protease inhibitors
 Stefin 150 A0A131Y5V6 JAP73872 2 33.3 14.99 (0.12) Yes
 Iristatin 252 A0A3B6UEB6 ARQ18757 5 43.3 18.02 (0.45) 18.26 (0.53) 17.22 (0.54) Yes
 Cystatin 1 360 A0A131YB86 JAP75211 6 69.9 18.77 (2.07) 19.78 (0.66) 19.26 (0.63) Yes
 Cystatin 2 165 A0A131Y7Z0 JAP74937 9 57.1 18.29 (0.95) 17.89 (1.67) Yes
 TIL-domain inhibitor 97 A0A0K8RNV1 4 53.3 18.36 (0.49) 19.07 (0.47) 20.15 (0.55) 16.97 (0.52) Yes
 TIL-domain inhibitor 108 A0A131XMQ1 JAP68754 6 43.3 17.80 (1.61) 19.65 (0.90) 18.52 (0.68) 16.94 (2.00) Yes
 TIL-domain inhibitor 156 A0A131Y6Y7 9 57.4 16.28 (1.34) 19.48 (0.74) 17.39 (1.65) 14.50 (1.62) Yes
 TIL-domain inhibitor 389 A0A131Y789 JAP74697 5 49.5 18.77 (1.67) 18.68 (1.25) 19.45 (0.39) Yes
 TIL-domain inhibitor 414 V5IDG7 JAB72501 8 66.4 19.16 (1.16) 21.17 (1.04) 20.88 (0.40) Yes
 TIL-domain inhibitor 29 A0A131Y8L3 JAP75157 4 48.4 16.02 (0.50) 17.11 (2.76) 16.76 (0.29) Yes
 TIL-domain inhibitor 154 A0A131Y6K8 JAP74447 4 75 19.52 (0.82) 21.17 (0.96) 19.04 (1.96) Yes
 TIL-domain inhibitor 427 W8JJG5 1 15.3 18.00 (0.71) 17.47 (0.96) No
 Single Kunitz–domain inhibitor 54 V5H5D1 JAB78230 3 39.4 19.91 (0.39) 20.25 (0.12) 22.30 (0.92) 22.53 (0.72) Yes
 Multi Kunitz–domain (4×) inhibitor 147 A0A131Y5D8 JAP73590 3 27.1 16.39 (1.06) Yes