Table I. Summary of PERP Immunohistochemistry Staining on Human Tissue Samples.

Sample	Nucleotide	Amino Acid	PERP Staining
1	1630G>T	D544Y	Normal
2	1793G>T	R598L	Normal
3	1682G>A	G561D	Undetermined
4	1682G>T	G561V	Normal
5	1793G>T	R598L	Normal
6	1682G>A	G561D	Normal
7	1793G>T	R598L	Normal
8 Unaffected individual	Not tested	Not tested	Normal
9	1802A>T	D601V	Normal
10	1682G>A	G561D	Normal
12	1793G>T	R598L	Potentially reduced levels
13	1578C>A	F526L	Loss at membrane in basal and suprabasal layers
14	1793G>T	R598L	Undetermined
15	1631A>T	D544V	Normal
16	1652C>T	P551L	Normal
17	1578C>A	F526L	Normal
18	1634T>C	L545P	Normal
19	1682G>T	G561V	Loss at membrane in basal and suprabasal layers
21	1610C>T	I537T	Normal

Each patient sample is numbered, and specific nucleotide and amino acid changes are presented. The right-hand column summarizes the PERP staining pattern in each patient sample.