>5b61A (A:) observed residues (from ATOM records)
ftgvvpilveldgdvnghkfsvrgegegdatngkitlklicttgklpvpwptlvttcgyg
vqcfarypdhmkrhdffksampegyvqertisfkddgtfktraevkfegdtivnriklkg
idfkedgnilghkleynfnshkvyitadkqkngikanfkirhnvedgsvqladhyqqntp
igdgpvrlpdnhylstqsviledpnekrdhmvlhefvtaagi