Brain Transcriptome Database (BrainTx)http://rdf.ncbi.nlm.nih.gov/pubmed/

Jun. Yang, et.al., Mpp4 is required for proper localization of plasma membrane calcium ATPases and maintenance of calcium homeostasis at the rod photoreceptor synaptic terminals., Human molecular genetics, 2007, 16
http://rdf.ncbi.nlm.nih.gov/pubmed/17341488