>tr|A0A0F7Z2N9|A0A0F7Z2N9_CROAD Serine proteinase 4 OS=Crotalus adamanteus MVLIRVLANLLILQLSYAQKSSELVIGGDECNINEHRFLVALYDYWSQSFLCGGTLINEE WVLTAKHCDRTHILIYVGVHDRSVQFDKEQRRFPKEKYFFDCSNNFTKWDKDIMLIRLNK PVSYSEHIAPLSLPSSPPIVGSVCRAMGWGQTTSPQETLPDVPHCANINLLDYEVCRTAH PQFRLPATSRTLCAGVLEGGIDTCNRDSGGPLICNGQFQGIVFWGPDPCAQPDKPGLYTK VFDHLDWIQSIIAGEKTVNCPP