>3a7eA (A:) observed residues (from ATOM records)
dtkeqrilnhvlqhaepgnaqsvleaidtyceqkewamnvgdkkgkivdaviqehqpsvl
lelgaycgysavrmarllspgarlitieinpdcaaitqrmvdfagvkdkvtlvvgasqdi
ipqlkkkydvdtldmvfldhwkdrylpdtllleecgllrkgtvlladnvicpgapdflah
vrgsscfecthyqsfleyrevvdglekaiykg