6XVM:
reference: The effect of an engineered ATCUN motif on the structure and biophysical properties of the SH3 domain of c-Src tyrosine kinase., Plaza-Garrido M, Salinas-Garcia MC, Martinez JC, Camara-Artigas A, J Biol Inorg Chem. 2020 Apr 11. pii: 10.1007/s00775-020-01785-0. doi:, 10.1007/s00775-020-01785-0. PMID: 32279137

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).