Unique Y-Shape Protein, Tripartite Dimer of Dimers Tetramer, in Myocilin (image) Georgia Institute of Technology Share Print E-Mail Caption A depiction of the newly discovered Y-shape (tripartite) at the center of myocilin, a protein commonly studied in hereditary glaucoma. It is a dimer of dimers and a tetramer of coiled coils and the first directly genetically produced Y shape to be discovered. Credit Georgia Tech / Lieberman lab Usage Restrictions None Share Print E-Mail 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.