tokens: Together , these data identify ERK2 as a specific and direct target of HePTP and are consistent with a model in which HePTP negatively regulates ERK2 activity as part of a feedback mechanism .
folded_tokens: together , these datum identify erk2 as a specific and direct target of heptp and be consistent with a model in which heptp negatively regulate erk2 activity as part of a feedback mechanism .