EC 3.4.21.4 1 Journal Article 1 Keratins, Hair-Specific 1 Proteins 1 Research Support, U.S. Gov't, Non-P.H.S. 1 Trypsin 1 hair 1 mehr ... nLC-MS/MS 1 nano-flow liquid chromatography tandem-mass spectrometry protein extraction 1 protein/peptide profiling 1 proteome 1 proteomics 1 weniger ...