```r
mztf <- pxget(px, "F063721.dat-mztab.txt")
```

```
## Downloading 1 file
```

```r
(mzt <- readMzTabData(mztf, what = "PEP", version = "0.9"))
```

```
## Warning: Version 0.9 is deprecated. Please see '?readMzTabData' and '?MzTab' for
## details.
```

```
## MSnSet (storageMode: lockedEnvironment)
## assayData: 1528 features, 6 samples 
##   element names: exprs 
## protocolData: none
## phenoData
##   sampleNames: sub[1] sub[2] ... sub[6] (6 total)
##   varLabels: abundance
##   varMetadata: labelDescription
## featureData
##   featureNames: 1 2 ... 1528 (1528 total)
##   fvarLabels: sequence accession ... uri (14 total)
##   fvarMetadata: labelDescription
## experimentData: use 'experimentData(object)'
## Annotation:  
## - - - Processing information - - -
## mzTab read: Fri May 18 08:51:09 2018 
##  MSnbase version: 2.7.0
```