Seckel Syndrome 1, also known as microcephalic primordial dwarfism i, is related to seckel syndrome and aplastic anemia, and has symptoms including seizures An important gene associated with Seckel Syndrome 1 is ATR (ATR Serine/Threonine Kinase), and among its related pathways/superpathways are DNA damage_ATM/ATR regulation of G1/S checkpoint and ATR signaling. Affiliated tissues include bone and myeloid, and related phenotypes are intellectual disability and seizure