Structure of the posttranslational Sec protein-translocation channel complex from yeast. Itskanov S, Park E. Science. 2019 Jan 4;363(6422):84-87.
Polarized displacement by transcription activator-like effectors for regulatory circuits. Lebar T, Verbič A et al. Nat Chem Biol. 2019 Jan;15(1):80-87.
Structure of human TFIID and mechanism of TBP loading onto promoter DNA. Patel AB, Louder RK et al. Science. 2018 Dec 21;362(6421). pii: eaau8872.
Structure of native lens connexin 46/50 intercellular channels by cryo-EM. Myers JB, Haddad BG et al. Nature. 2018 Dec 20;564(7736):372-377.
Does ionic screening lower activation barriers for conformational transitions in proteins? Antosiewicz JM, Długosz M. J Phys Chem B. 2018 Dec 20;122(50):11817-11826.(Previously featured citations...)
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November 17, 2018
October 22, 2018
Mac users: the 1.13.1 release candidate and recent daily builds contain a fix for Mojave (OS 10.14). These versions require OS 10.10 or later.
September 21, 2018
Mac users are advised to hold off upgrading to Mojave until we find a fix for Chimera buttons not being shown until the windows containing them are resized.(Previous news...)
UCSF Chimera is a highly extensible program for interactive visualization and analysis of molecular structures and related data, including density maps, supramolecular assemblies, sequence alignments, docking results, trajectories, and conformational ensembles. High-quality images and animations can be generated. Chimera includes complete documentation and several tutorials, and can be downloaded free of charge for academic, government, nonprofit, and personal use. Chimera is developed by the Resource for Biocomputing, Visualization, and Informatics (RBVI), supported in part by the National Institutes of Health (P41-GM103311).
UCSF ChimeraX (or simply ChimeraX) is the next-generation molecular visualization program from the RBVI, following UCSF Chimera.
Users can easily import structure-related data into Chimera in the form of attributes, or values associated with atoms, residues, or models. The data can be imported with Define Attribute and then represented visually with color ranges, atomic radii, or "worm" thickness. Such data can also be manipulated programmatically in Chimera, and in fact Chimera was designed with extensibility and programmability in mind. It is largely implemented in Python, with certain features coded in C++ for efficiency. Python is an easy-to-learn interpreted language with object-oriented features. All of Chimera's functionality is accessible through Python and users can implement their own algorithms and extensions without any Chimera code changes, so any such custom extensions will continue to work across Chimera releases. Many programming examples are provided to assist extension writers.(More features...)
BILD format was used in Chimera to annotate the barrel structure of green fluorescent protein with its centroid, major axis (red arrow), and an enclosing cylinder (shown with green hoops). The BILD file green.bild was generated with the python program green.py using the coordinates in green.pdb. Gallery entry courtesy of Mike Ess, Yeast Resource Center, University of Washington. (More samples...)
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