| Mutation type*1 | Mutation position | Length of affected nucleotides | Nucleotide sequence after mutation | Mutation name | Case # | Consequence | Disease | Symptom | Hereditary pattern*2 | Onset | Reference |
| M | 640 | 1 | A | D214N | 1 | GAC-AAC at ntd 640 -> Asp-Asn at codon 214 | Familial amyloidosis of Finnish type | lattice corneal dystrophy Type II,and cranial neuropathy | AD | late | Maury et al.FEBS Lett.276,75(1990). |
| M | 640 | 1 | A | D214N | 1 | GAC-AAC at ntd 640 -> Asp-Asn at codon 214 | Familial amyloidosis of Finnish type | lattice corneal dystrophy Type II,cutis laxa and facial paresis | AD | late | Gorevic et al.New Engl.J.Med.325,1780(1991). |
| M | 640 | 1 | A | D214N | 6 | GAC-AAC at ntd 640 -> Asp-Asn at codon 214 | Familial amyloidosis of Finnish type | lattice corneal dystrophy Type II,cutis laxa and facial paresis | AD | late | de la Chapelle et al.Genomics 13,898(1992). |
| M | 640 | 1 | T | D214Y | 2 | GAC-TAC at ntd 640 -> Asp-Tyr at codon 214 | Familial amyloidosis of Finnish type | lattice corneal dystrophy Type II,and cranial neuropathy | AD | late | de la Chapelle et al.Nature Genet.2,157(1992). |
| M | 640 | 1 | A | D214N | 1 | GAC-AAC at ntd 640 -> Asp-Asn at codon 214 | Familial amyloidosis of Finnish type | lattice corneal dystrophy Type II,and cranial neuropathy | AD | late | de la Chapelle et al.Nature Genet.2,157(1992). |
| M | 640 | 1 | A | D214N | 1 | GAC-AAC at ntd 640 -> Asp-Asn at codon 214 | Familial amyloidosis of Finnish type | lattice corneal dystrophy Type II,cutis laxa and facial paresis | AD | late | Steiner et al.Hum.Genet.95,327(1995). |