Electrostatic tuning of the pyridoxal-5′-phosphate cofactor site defines pH dependence in type I cystathionine β-lyases - Yuanxiang Liu; Xin Li; Jianxun Li; Jinyan Liu; Yishu Peng; Yan Gao; Ye Zhang; Zijian Jia; Kexin Kang; Anwei Yin; Cuiqing Ma; Yuechao Yang; et al. (Journal of Biological Chemistry, 2026)