Model of human Man1b1 dual functions (IMAGE) Baylor College of Medicine Caption Model of human Man1b1 dual functions in promoting misfolded AAT degradation. Credit Sifers lab/PNAS, 2020 Usage Restrictions Credit Sifers lab/PNAS, 2020. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.