>4mxrA (A:) observed residues (from ATOM records)
ddprllslfsaqreedadiviigfpydegcvrnggragakkgpaafrfflqrlgsvnnle
lnvdashlklydagditastleeahekleskvftvlargafpfvigggndqsapngraml
rafpgdvgvinvdshldvrpplsdgrvhsgtpfrqlleessfsgkrfvefacqgsqcgal
haqyvrdhqghlmwlsevrkkgavaaledafgltgkntffsfdvdslkssdmpgvscpaa
vglsaqeafdmcflagktptvmmmdmselnplveeyrsprvavymfyhfvlgfatrp