8czn | pdb_00008czn
Crystal Structure of EcDsbA in a complex with 1H-pyrrole-3-carboxylic acid
Structural highlights
FunctionDSBA_ECOLI Required for disulfide bond formation in some periplasmic proteins such as PhoA or OmpA. Acts by transferring its disulfide bond to other proteins and is reduced in the process. DsbA is reoxidized by DsbB. Required for pilus biogenesis. PhoP-regulated transcription is redox-sensitive, being activated when the periplasm becomes more reducing (deletion of dsbA/dsbB, treatment with dithiothreitol). MgrB acts between DsbA/DsbB and PhoP/PhoQ in this pathway.[1] [2] Publication Abstract from PubMedFragment-based drug design relies heavily on structural information for the elaboration and optimisation of hits. The ability to identify neighbouring binding hot spots, energetically favourable interactions and conserved binding motifs in protein structures through X-ray crystallography can inform the evolution of fragments into lead-like compounds through structure-based design. The composition of fragment libraries can be designed and curated to fit this purpose and herein, we describe and compare screening libraries containing compounds comprising between 2 and 18 heavy atoms. We evaluate the properties of the compounds in these libraries and assess their ability to probe protein surfaces for binding hot spots. Fragment screening libraries for the identification of protein hot spots and their minimal binding pharmacophores.,Whitehouse RL, Alwan WS, Ilyichova OV, Taylor AJ, Chandrashekaran IR, Mohanty B, Doak BC, Scanlon MJ RSC Med Chem. 2022 Nov 29;14(1):135-143. doi: 10.1039/d2md00253a. eCollection , 2023 Jan 25. PMID:36760747[3] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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