>1yl3C (C:) observed residues (from ATOM records)
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lgkqvrvlaiakgekikeaeeagadyvggeeiiqkildgwmdfdavvatpdvmgavgskl
grilgprgllpnpkagtvgfnigeiireikagriefrndktgaihapvgkasfppeklad
nirafiraleahkpegakgtflrsvyvtttmgpsvrinphs