>3UNN_2|Chain B|phospho-T4 peptide from Mediator of DNA damage checkpoint protein 1|Homo sapiens (9606) MEDTQAID >3UNN_1|Chain A|Mediator of DNA damage checkpoint protein 1|Homo sapiens (9606) SNVEPVGRLHIFSGAHGPEKDFPLHLGKNVVGRMPDCSVALPFPSISKQHAEIEILAWDKAPILRDCGSLNGTQILRPPKVLSPGVSHRLRDQELILFADLLCQYHRLDVSLP