Cuculus canorus (common cuckoo). Carboxymethylenebutenolidase
QMAEPFLYDT GDRSQYGCLG HEVQIEHIKA YVCRPSFYTE KAVIVVHDVF GWQFSDMRYI VDLIAGHGYI SICPDFFKGT DPWKSTDHWA DFADWMKNHD PVKVDKEADV VLKYLKEQCG AKKIGIVGFS WGGMAVHHLM LKNPQLTAGV SLYGIIRDSE ERYNLLNPTF FIFGEKDHTI AYDQITLLEE KLKQYCKVAY KIKVYPGQVH GFAQLKPEDM KPDDKPYIEE ARKDMIDWIS MFV
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