The Rosetta molecular modeling software package provides a large number of experimentally validated tools for modeling and designing proteins, nucleic acids, and other biopolymers, with new protocols being added continually. While freely available to academic users, external usage is limited by the need for expertise in the Unix command line environment. To make Rosetta protocols available to a wider audience, we previously created a web server called Rosetta Online Server that Includes Everyone (ROSIE), which provides a common environment for hosting web-accessible Rosetta protocols. Here we describe a simplification of the ROSIE protocol specification format, one that permits easier implementation of Rosetta protocols. Whereas the previous format required creating multiple separate files in different locations, the new format allows specification of the protocol in a single file. This new, simplified protocol specification has more than doubled the number of Rosetta protocols available under ROSIE. These new applications include pK determination, lipid accessibility calculation, ribonucleic acid redesign, protein-protein docking, protein-small molecule docking, symmetric docking, antibody docking, cyclic toxin docking, critical binding peptide determination, and mapping small molecule binding sites. ROSIE is freely available to academic users at http://rosie.rosettacommons.org.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5734271PMC
http://dx.doi.org/10.1002/pro.3313DOI Listing

Publication Analysis

Top Keywords

rosetta protocols
16
molecular modeling
8
rosetta
8
rosetta online
8
online server
8
server includes
8
includes rosie
8
freely academic
8
academic users
8
protocol specification
8

Similar Publications

PEGylated Nanoliposomal Doxorubicin Conjugated with Specific TREM2 Peptides for Glioma-Targeting Therapy.

Adv Healthc Mater

December 2024

Department of Medical Physics, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, 730000, China.

PEGylated liposomes can deliver anti-cancer drugs to brain tumors, and achieve enhanced permeability and retention effects. Triggering receptor expressed on myeloid cells 2 (TREM2) is an excellent biomarker for precise therapy of glioma. The present study is aimed at designing PEGylated nanoliposomal doxorubicin (PLD) conjugated with peptides targeting TREM2 for glioma-targeting therapy.

View Article and Find Full Text PDF

Glycerol improves the viability of a cryopreserved choanoflagellate.

Cryobiology

December 2024

Howard Hughes Medical Institute and the Department of Molecular and Cell Biology, University of California, Berkeley, CA, 94720, USA. Electronic address:

The colonial choanoflagellate Salpingoeca rosetta is a tractable model system for studying the origins of multicellularity, but long-term storage strategies for this species have not been tested. In this study, we probed each stage of cryopreservation (cooling, long-term storage, recovery) to identify the optimal protocol for recovery of S. rosetta and co-cultured bacterial cells.

View Article and Find Full Text PDF

Advancing Membrane-Associated Protein Docking with Improved Sampling and Scoring in Rosetta.

J Chem Theory Comput

December 2024

Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, Baltimore, Maryland 21218, United States.

The oligomerization of protein macromolecules on cell membranes plays a fundamental role in regulating cellular function. From modulating signal transduction to directing immune response, membrane proteins (MPs) play a crucial role in biological processes and are often the target of many pharmaceutical drugs. Despite their biological relevance, the challenges in experimental determination have hampered the structural availability of membrane proteins and their complexes.

View Article and Find Full Text PDF
Article Synopsis
  • Computational protein design is advancing, but finding high-affinity binders usually involves extensive experimental testing of site-saturated mutant libraries.
  • The study employs massively parallel free energy methods, specifically an expanded ensemble approach, to improve prediction accuracy for designed binding proteins against influenza A H1 hemagglutinin.
  • While Flex ddG predicts binding affinities more conservatively, the expanded ensemble approach better distinguishes stabilizing and destabilizing mutations, highlighting opportunities for improving simulation-based predictions in protein design.
View Article and Find Full Text PDF

The δ-conotoxins, a class of peptides produced in the venom of cone snails, are of interest due to their ability to inhibit the inactivation of voltage-gated sodium channels causing paralysis and other neurological responses, but difficulties in their isolation and synthesis have made structural characterization challenging. Taking advantage of recent breakthroughs in computational algorithms for structure prediction that have made modeling especially useful when experimental data is sparse, this work uses both the deep-learning-based algorithm AlphaFold and comparative modeling method RosettaCM to model and analyze 18 previously uncharacterized δ-conotoxins derived from piscivorous, vermivorous, and molluscivorous cone snails. The models provide useful insights into the structural aspects of these peptides and suggest features likely to be significant in influencing their binding and different pharmacological activities against their targets, with implications for drug development.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!