>1xphA (A:) observed residues (from ATOM records)
aferlcrhcpkdwtffqgncyfmsnsqrnwhdsvtacqevraqlvviktaeeqnflqlqt
srsnrfswmglsdlnqegtwqwvdgsplspsfqrywnsgepnnsgnedcaefsgsgwndn
rcdvdnywickkpaacfrd