Text this: Zn<sup>2+</sup>-dependent autocatalytic activity of the Bordetella pertussis CyaA-hemolysin

  _____      ___     _    _    __   __    ______  
 /  ___||   / _ \\  | || | ||  \ \\/ //  /_   _// 
| // __    | / \ || | || | ||   \ ` //     | ||   
| \\_\ ||  | \_/ || | \\_/ ||    | ||     _| ||   
 \____//    \___//   \____//     |_||    /__//    
  `---`     `---`     `---`      `-`'    `--`