| GCK | 13 |
| GCK-p.R447Lfs | 1 |
| GCK-p.G261A | 1 |
| GCK-p.M37T | 1 |
| GCK-c.864-1G>T | 1 |
| GCK-p.K142X | 1 |
| GCK-p.C371X | 1 |
| GCK-p.L146V | 1 |
| GCK-p.E443K | 1 |
| GCK-p.A173Qfs | 1 |
| GCK-p.E440X | 1 |
| GCK-p.A173T | 1 |
| GCK-V181D | 1 |
| GCK-p.C220X | 1 |
| GCK-p.L185Q | 1 |
| GCK-p.Y234H | 1 |
| GCK-p.A208P | 1 |
| GCK-p.C252Y | 1 |
| GCK-p.T326P | 1 |
| GCK-p.W257X | 1 |