Optionally, CHECK constraints can be defined on the pdbxml table to ensure that the four-character PDB identifier conforms to the PDB standard.

或者，在pdbxml表中定义CHECK 限制以确保这个四字符的PDB标识符符合 PDB 标准。

youdao

Optionally, CHECK constraints can be defined on the pdbxml table to ensure that the four-character PDB identifier conforms to the PDB standard.

或者，在pdbxml表中定义CHECK 限制以确保这个四字符的PDB标识符符合 PDB 标准。

youdao