Fig. 4

Comparison of the tertiary structure of caspase-1 and caspase-11. a Align of molecular structure of caspase-1 and caspase-11; b Comparison of active sites of caspase-1 and caspase-11. Red represents the catalytic sites; Yellow represents the P1 pocket, and blue represents the P2–P4 pockets. The tertiary structure is drawn by PyMOL, Accession Number: caspase-1: P29452 [69]; caspase-11: P70343 [60]