Cloud Parallel Processing of Tandem Mass Spectrometry Based Proteomics Data: X!Tandem

Created: 2012-09-10 09:49:08

A workflow for searching LC−MS/MS mass spectrometry data using X!Tandem on the cloud. The workflow consists of 5 processors. The objectLogic processor prepares all inputs in the right format, i.e. keeping or converting strings into file object according to the following processor. The mzxmlDecomposer and pepxmlComposer run the decomposing/recomposing algorithms. objectLogic, mzxmlDecomposer and pepxmlComposer are Beanshell processors and they run locally. Xtandem runs X!Tandem on a remote machine and pepxmlUnzip unzip the pepXML files to a local directory; both are Tool processors.

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