>1MUT_1|Chain A|NUCLEOSIDE TRIPHOSPHATE PYROPHOSPHOHYDROLASE|Escherichia coli (562) MKKLQIAVGIIRNENNEIFITRRAADAHMANKLEFPGGKIEMGETPEQAVVRELQEEVGITPQHFSLFEKLEYEFPDRHITLWFWLVERWEGEPWGKEGQPGEWMSLVGLNADDFPPANEPVIAKLKRL