>3fs2A (A:) observed residues (from ATOM records)
tanstvkvgnvtfsnsaplaliagpcqmetrdhafemagrlkemtdklgiglvykssfdk
aniglekalevfsdlkkeygfpvltdihteeqcaavapvvdvlqipaflcrqtdlliaaa
rtgrvvnvkkgqflapwdmknvlakitesgnpnvlatergvsfgyntlvsdmralpimag
lgapvifdathsvqqpgqrefvetlaraavavgvagffiethedpdnapsdgpnmvpidk
mpalleklmafdriakal