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Visualize and interact with Protein Data Bank (pdb) and structural files in R and Shiny

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NGLVieweR - Visualize and interact with Protein Data Bank (PDB) and structural files in R and Shiny

R-CMD-check Lifecycle: experimental CRAN status Metacran downloads

Click here to view a Shiny application integrating most features of NGLVieweR.

Description

NGLvieweR provides an R interface to the NGL.js JavaScript library. It can be used to visualize and interact with protein data bank (PDB) and structural files in R and Shiny applications. It includes a set of API functions to manipulate the viewer after creation and makes it possible to retrieve data from the visualization into R.

Installation

You can install the released version of NGLVieweR from CRAN with:

install.packages("NGLVieweR")

And the development version from GitHub with:

install.packages("remotes")
remotes::install_github("nvelden/NGLVieweR")

Basics

You can load a PDB (or any other supported structural file) directly or use a PDB code of a structure on RCSB.org. The below minimal example loads the PDB file and displays the structure in a "cartoon" representation.

#Load local pdb file
NGLVieweR("C:/7CID.pdb") %>%
addRepresentation("cartoon")

#Load protein by PDB code
NGLVieweR("7CID") %>%
addRepresentation("cartoon")

Functionality

There are functions provided to:

  • Overlay different representation styles
  • Alter the stage parameters (e.g. background, zoom- and rotation speed)
  • Zoom to specific selections
  • Add labels
  • Add contacts between residues
  • Auto rotate/rock

In Shiny apps, you can manipulate the NGLVieweR widget after creation using specific "API"" calls. Users can for instance add/remove representations, make snapshots, add labels or highlight specific regions. See the Get started section for a complete overview.

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Visualize and interact with Protein Data Bank (pdb) and structural files in R and Shiny

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