同埋好多短又重複嘅序列 所以舉例嚟講 有好多多聚丙氨酸 或者寫做 A ， 就係 AAAAA 亦都有 GGQ ， 同埋有 GGY
And a lot of short and repetitive sequences, so for example, there are a lot of polyalanine, or written as a, that is, AAAAA, there is also GGQ, and GGY