| Catalog ID | Diagnosis | Cell Type | Race | Age At Sampling | Sex | Affected | Family |
| GM10251 | SPINOCEREBELLAR ATAXIA 1; SCA1 | B-Lymphocyte | Black/African American | 11 YR | Male | No | 1173 |
| GM06926 | SPINOCEREBELLAR ATAXIA 1; SCA1 | B-Lymphocyte | White | 29 YR | Male | Yes | 972 |
| GM06927 | SPINOCEREBELLAR ATAXIA 1; SCA1 | Fibroblast | White | 29 YR | Male | Yes | 972 |
| GM13537 | SPINOCEREBELLAR ATAXIA 1; SCA1 | B-Lymphocyte | Black/African American | 37 YR | Male | Yes | 1617 |
| GM13536 | SPINOCEREBELLAR ATAXIA 1; SCA1 | B-Lymphocyte | Black/African American | 60 YR | Female | Yes | 1617 |