>4x21A (A:) SEQRES residues
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srpfqnqthakrayrelvlmkcvnhkniisllnvftpqktleefqdvylvmelmdanlcq
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ieqlgtpcpefmkklqptvrnyvenrpkyagltfpklfpdslfpadsehnklkasqardl
lskmlvidpakrisvddalqhpyinvwydpaeveapppqiydkqlderehtieewkeliy
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