>5YVL_1|Chains A, B, C, D|cyclase|Fischerella sp. ATCC 43239 (1535197) MGSSHHHHHHSSGLVPRGSHMASTSVVSIPINNAGFEDPFIEVVDDYTVDTPPGWTTYNPNNLVPEKRTTWTSNNGVGYVGPGTQFYNQLAPEGRNIGYIYLAQKPGSGVAGFEQILDATLEPDTKYTLKVDVGNFGGEFQKISLAGFPGYRVELLAGDTVLAADHNNLYIKDGEFKTSTVTFTATPDNPYLDQKLGIRLINLLQGTFSGLDFDNVRLTVEPAQT