There were some difference of mutation spots among every subtype of EBS. For example, the mutations mainly located in Linker 1 2 domain of K5/14 in Weber Cockayne EBS(WC EBS).

• EBS的各个亚型突变发生部位有一定差异，其中Weber－Cockayne亚型（WC－EBS）突变多位于K5/K14的连接区L1－2。