Variation and genetic control of protein abundance in humans
http://www.nature.com/nature/journal/vaop/ncurrent/full/nature12223.html MassSpec data for 95 HapMap cell lines
http://www.peptideatlas.org/PASS/PASS00230
QT:”We found that protein levels are heritable molecular phenotypes that exhibit considerable variation between individuals, populations and sexes….We identified cis-pQTLs (protein quantitative trait loci), including variants not detected by previous transcriptome studies.”