CancerGram identifies anticancer peptides using n-gram encoding and random forests. It can be also accessed as a web-based service http://biongram.biotech.uni.wroc.pl/CancerGram/.
Please use: Burdukiewicz, M., Sidorczuk, K., Rafacz, D., Pietluch, F., Bąkała, M., Słowik, J., and Gagat, P. (2020). CancerGram: An Effective Classifier for Differentiating Anticancer from Antimicrobial Peptides. Pharmaceutics 12, 1045, https://doi.org/10.3390/pharmaceutics12111045.
You can install the latest development version of the package:
After installation GUI can be accessed locally:
To be able to use CancerGram properly, you should have installed the 'CancerGramModel' package available via GitHub. CancerGramModel contains stacked random forest model and informative n-grams required for prediction of anticancer peptides. Due to the large size of a model, it needs to be stored in the external repository, as CRAN do not allow upload of files larger than 5 MB.
You can install CancerGramModel using the install_CancerGramModel function:
Anticancer peptides might be also identified in the batch mode:
library(CancerGram) library(CancerGramModel) # if you do not have CancerGramModel use: # install_CancerGramModel() sequences <- read_txt(system.file("CancerGram/prots.txt", package = "CancerGram")) predict(CancerGram_model, sequences)
The curl library is one of the dependencies of the CancerGram package and requires additional, non-R software. If you encounter an error concerning curl, please follow instructions below to install curl (adapted from https://github.com/jeroen/curl).
Binary packages for OS-X or Windows can be installed directly from CRAN:
Installation from source on Linux requires
libcurl. On Debian or Ubuntu use libcurl4-openssl-dev:
sudo apt-get install -y libcurl-dev
On Fedora, CentOS or RHEL use libcurl-devel:
sudo yum install libcurl-devel
On OS-X libcurl is included with the system so nothing extra is needed. However if you want to build against the most recent version of libcurl, install and force-link curl from homebrew:
brew install curl brew link --force curl
Note that on OS-X you must recompile the R package from source after force-linking curl, otherwise you get a version conflict with the system version of libcurl.
This work was supported by National Science Centre grants 2017/26/D/NZ8/00444, 2018/31/N/NZ2/01338 and 2019/35/N/NZ8/03366 to FP.
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