AnimalTFDB 4.0: a comprehensive animal transcription factor database updated with variation and expression annotations. - Wen-Kang Shen; Si-Yi Chen; Zi-Quan Gan; Yu-Zhu Zhang; Tao Yue; Miaomiao Chen; Yu Xue 001; Hui Hu; An-Yuan Guo (Nucleic Acids Res., 2023)