>5in4B (B:) observed residues (from ATOM records)
grnvalitgitgqdgsylaefllekgyevhgivrrsssfntgriehlyknpqahiegnmk
lhygdltdstclvkiinevkpteiynlgaqshvkisfdlaeytadvdgvgtlrlldavkt
cglinsvkfyqastselygkvqeipqkettpfyprspygaaklyaywivvnfreaynlfa
vngilfnhesprrganfvtrkisrsvakiylgqlecfslgnldakrdwghakdyveamwl
mlqndepedfviatgevhsvrefveksflhigktivwegknenevgrcketgkvhvtvdl
kyyrptevdflqgdctkakqklnwkprvafdelvremvhadvelmrtnpna