>3ayu_A mol:protein length:167 72 kDa type IV collagenase YNFFPRKPKWDKNQITYRIIGYTPDLDPETVDDAFARAFQVWSDVTPLRFSRIHDGEAD IMINFGRWEHGDGYPFDGKDGLLAHAFAPGTGVGGDSHFDDDELWTLGKGVGYSLFLVA AHAFGHAMGLEHSQDPGALMAPIYTYTKNFRLSQDDIKGIQELYGASPD