nomenclature database — by ExPASy(英语:ExPASy) Listof all ECnumbers — by BRENDA(英语:BRENDA) Browse PDB structures by EC number(页面存档备份,存于互联网档案馆) 分子与细胞生物学主题 化学主题
July 2016]. (原始内容存档 (PDF)于2019-07-12). Matthew Green. The Many Flaws of Dual_EC_DRBG. [2019-02-25]. (原始内容存档于2016-08-20). Schindler, Werner. Functionality