| Catalog ID | Diagnosis | Cell Type | Race | Age At Sampling | Sex | Affected | Family |
| GM28611 | DEVELOPMENTAL AND EPILEPTIC ENCEPHALOPATHY 66; DEE66 | Fibroblast | White | 7 MO | Female | No | NIGMS00017 |
| GM28625 | DEVELOPMENTAL AND EPILEPTIC ENCEPHALOPATHY 66; DEE66 | B-Lymphocyte | White | 7 MO | Female | No | NIGMS00017 |
| GM28627 | DEVELOPMENTAL AND EPILEPTIC ENCEPHALOPATHY 66; DEE66 | B-Lymphocyte | White | 7 MO | Female | Yes | NIGMS00017 |
| GM28610 | DEVELOPMENTAL AND EPILEPTIC ENCEPHALOPATHY 66; DEE66 | Fibroblast | White | 31 WK | Female | Yes | NIGMS00017 |
| GM28623 | DEVELOPMENTAL AND EPILEPTIC ENCEPHALOPATHY 66; DEE66 | B-Lymphocyte | White | 32 YR | Female | No | NIGMS00017 |
| GM28624 | DEVELOPMENTAL AND EPILEPTIC ENCEPHALOPATHY 66; DEE66 | Fibroblast | White | 32 YR | Female | No | NIGMS00017 |
| GM28628 | DEVELOPMENTAL AND EPILEPTIC ENCEPHALOPATHY 66; DEE66 | B-Lymphocyte | White | 34 YR | Male | No | NIGMS00017 |
| GM28629 | DEVELOPMENTAL AND EPILEPTIC ENCEPHALOPATHY 66; DEE66 | Fibroblast | White | 34 YR | Male | No | NIGMS00017 |