Table 1. Summary of the subcellular localization of the missense mutants described in this study.
| Mutant | Domain | Experimental localization* |
| Wild type | None | Predominantly PM |
| L32R | Orphan Domain | ER |
| V49F | Orphan Domain | ER |
| C53R | Orphan Domain | ER |
| V125D | Orphan Domain | ER |
| W149C | Orphan Domain | Predominantly PM |
| A160D | Orphan Domain | ER |
| P165L | Orphan Domain | ER |
| D264N | Orphan Domain | Predominantly PM |
| I271N | Orphan Domain | ER |
| A308D | Orphan Domain | ER |
| V311G | Orphan Domain | Predominantly PM |
| C363Y | ZP-N Domain | ER |
| C382G | ZP-N Domain | Predominantly PM |
| C382W | ZP-N Domain | ER |
| F403S | ZP-N Domain | Predominantly PM |
| S407N | ZP-N Domain | Predominantly PM |
| C412S | ZP-N Domain | Predominantly PM |
| G413V | ZP-N Domain | Predominantly PM |
| N423S | ZP-N Domain | Predominantly PM |
| A425G | ZP-C Domain | Predominantly PM |
| R437W | ZP-N Domain | Predominantly PM |
| Q476H | ZP-C Domain | Predominantly PM |
| V504M | ZP-C Domain | Predominantly PM |
| R571H | ZP-C Domain | Predominantly PM |
| S615L | Intracellular Domain | Predominantly PM |
*Subcellular localization have been established by confocal microscopy and/or Endo H analysis.