>gnl|BMRB|19711.1 Native_split_Npu_DnaE_intein CLSYETEILTVEYGLLPIGKIVEKRIECTVYSVDNNGNIYTQPVAQWHDRGEQEVFEYCLEDGSLIRATKDHKFMTVDGQMLPIDEIFERELDLMRVDNLPNAAALEHHHHHHMGIKIATRKYLGKQNVYDIGVERDHNFALKNGFIASN