Proton relaxation times and hydration numbers of manganese ions bound to enzymes

✍ Scribed by G. Navon

• Book ID: 103009506
• Publisher: Elsevier Science
• Year: 1970
• Tongue: English
• Weight: 440 KB
• Volume: 7
• Category: Article
• ISSN: 0009-2614
• DOI: 10.1016/0009-2614(70)80191-9

✦ Synopsis

The frer,ur:ncy dcpondence of the proton relaxation times in aqueous solutions of manganese carboxy- peptidase ;4 and py:.uvate kinase has been measured and analysed. The electronic spin longitudinal relaxation time was found to be frequency dependent and to control the proton relaxation times at low :requencies. The number of exchangeable water molecules in the coordination shell of bound manganese was found to be one for carboxypeptidase A and two for pyruvate kinase.