Structure of PYCR1 complexed with the allosteric inhibitor 4-hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid in a remote site and NADH and (S)-(-)-2-Hydroxy-3,3-dimethylbutyric acid in the active site
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Structure of PYCR1 complexed with the allosteric inhibitor 4-hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid in a remote site and NADH and (S)-(-)-2-Hydroxy-3,3-dimethylbutyric acid in the active site Descriptor: (2S)-2-hydroxy-3,3-dimethylbutanoic acid, 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE, 7-anilino-4-hydroxynaphthalene-2-sulfonic acid, ... Authors: Tanner, J.J, Meeks, K.R. Deposit date: 2025-06-07 Release date: 2026-02-04 Last modified: 2026-03-25 Method: X-RAY DIFFRACTION (1.79 Å) Cite: Serendipitous discovery of an allosteric inhibitor binding groove in the proline biosynthetic enzyme pyrroline-5-carboxylate reductase 1. Biochem.J., 483, 2026
PYCR1(pyrroline-5-carboxylate reductase 1,吡咯啉-5-羧酸还原酶1)复合物结构:该复合物结合了结合于远端位点的变构抑制剂(allosteric inhibitor)4-羟基-7-(苯氨基)萘-2-磺酸,以及结合于活性位点的还原型烟酰胺腺嘌呤二核苷酸(1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE)与(S)-(-)-2-羟基-3,3-二甲基丁酸。 成分描述:(2S)-2-羟基-3,3-二甲基丁酸、1,4-二氢烟酰胺腺嘌呤二核苷酸(1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE)、7-苯胺基-4-羟基萘-2-磺酸,…… 作者:Tanner J.J.、Meeks K.R. 沉积日期:2025年6月7日 发布日期:2026年2月4日 最后修改日期:2026年3月25日 实验方法:X射线衍射(分辨率1.79埃) 引用文献:脯氨酸生物合成酶吡咯啉-5-羧酸还原酶1中变构抑制剂结合凹槽的意外发现,《生物化学杂志》(Biochem.J.),第483卷,2026年



