tokens: Inhibitor-1 ( I-1 ) and inhibitor-2 ( I-2 ) selectively inhibit type 1 protein serine / threonine phosphatases ( PP1 ) .
folded_tokens: inhibitor-1 ( i-1 ) and inhibitor-2 ( i-2 ) selectively inhibit type 1 protein serine / threonine phosphatase ( pp1 ) .