With this gene mutated, lysinuric protein intolerance occurs. The gene codes for an amino acid transporter.
The gene SLC7A7, formerly known as y(+)LAT1, is located on chromosome 14 (14q11.2), spans about 46kb, and consists of 10 exons, 9 of which are translated.
| Clinic | Method | Carrier testing |
| Turnaround | 5 days | |
| Specimen type | genomic DNA |
| Clinic | Method | Massive parallel sequencing |
| Turnaround | 25 days | |
| Specimen type | genomic DNA |
| Clinic | Method | Genomic sequencing of the entire coding region |
| Turnaround | 20 days | |
| Specimen type | genomic DNA |
| Clinic | Method | Multiplex Ligation-Dependent Probe Amplification |
| Turnaround | 20 days | |
| Specimen type | genomic DNA |