Data are available for download at the EBI PRIDE Archive.
Homepage: http://www.ebi.ac.uk/pride/archive
Project URL: http://www.ebi.ac.uk/pride/archive/projects/PXD006688
Data URL: http://www.ebi.ac.uk/pride/archive/projects/PXD006688/files
Data are published in Timmins-Schiffman, E., May, D.H., Mikan, M., Riffle, M., Frazar, C., Harvey, H.R., Noble, W.S., Nunn, B.L. (2016) Critical decisions in metaproteomics: achieving high confidence protein annotations in a sea of unknowns. The ISME Journal. DOI: 10.1038/ismej.2016.132