Co-crystal structures of human DDR1 reveal a DFG-out conformation ( DFG , Asp-Phe-Gly ) of the kinase domain that is stabilized by an unusual salt bridge between the activation loop and aD helix .
O O O B-OrganismTaxon B-GeneOrGeneProduct O O B-ChemicalEntity O O B-ChemicalEntity O B-ChemicalEntity O O O O O O O O O O O O O O O O O O O O O