Specific Granule Deficiency 2, is also known as sgd2. An important gene associated with Specific Granule Deficiency 2 is SMARCD2 (SWI/SNF Related, Matrix Associated, Actin Dependent Regulator Of Chromatin, Subfamily D, Member 2). Affiliated tissues include neutrophil and bone marrow, and related phenotypes are failure to thrive and neutropenia