Discovery of penicillin
Videos
The discovery of penicillin was one of the most important scientific discoveries in the history of medicine. Ancient societies used moulds to treat infections and in the following centuries many peopl
Sample of penicillin mould presented by Alexander Fleming to Douglas Macleod in 1935
Alexander Fleming in his laboratory at St Mary's Hospital, London, 1943
St Mary's Hospital showing Fleming's lab and Praed Street
Fleming at work in his laboratory at St Mary's Hospital, London, during the Second World War
Lysozyme
Videos
Lysozyme is an antimicrobial enzyme produced by animals that forms part of the innate immune system. It is a glycoside hydrolase that catalyzes the following process:
Two Possible Mechanisms of Lysozyme
133l: ROLE OF ARG 115 IN THE CATALYTIC ACTION OF HUMAN LYSOZYME. X-RAY STRUCTURE OF HIS 115 AND GLU 115 MUTANTS
134l: ROLE OF ARG 115 IN THE CATALYTIC ACTION OF HUMAN LYSOZYME. X-RAY STRUCTURE OF HIS 115 AND GLU 115 MUTANTS
1b5u: CONTRIBUTION OF HYDROGEN BONDS TO THE CONFORMATIONAL STABILITY OF HUMAN LYSOZYME: CALORIMETRY AND X-RAY ANALYSIS OF SIX SER->ALA MUTANT