SRS15958959 SAMN31998676 9606 Homo sapiens Homo sapiens male adult (50 years) naive thymus-derived CD4-positive, alpha-beta T primary cell ENCBS881DDA at ENCODE https://www.encodeproject.org/ENCBS881DDA/ Derived from ENCODE donor ENCDO641WTL https://www.encodeproject.org/ENCDO641WTL/ sample type primary cell sex male dev stage adult age 50 year donor ID ENCDO641WTL lab John Stamatoyannopoulos, UW source StemExpress cell type naive thymus-derived CD4-positive, alpha-beta T cell