Project description:This dataset has been used to establish GroEL-proteotyping, a targeted proteotyping approach for assessing bacterial community compositions using the taxonomic marker protein GroEL. This dataset contains raw data of two experiments: 1. Pure cultures of T. aromatica (sample names: TA, TB, TC) and P. putida (sample names: PA, PB, PC) were analyzed individually after in-solution digestion 2. T. aromatica and P. putida were cultivated independently and crude extracts were mixed in defined ratios. GroEL was pre-separated by SDS-PAGE (sample names: LOD_..., in-gel digestion)