>3p54A (A:) observed residues (from ATOM records)
fnclgmgnrdfiegasgatwvdlvlegdscltimandkptldvrminieasqlaevrsyc
yhasvtdistvarcpttgeahnekradssyvckqgftdrgwgngcgffgkgsidtcakfs
ctskaigrtiqpenikykvgifvhgtttsenhgnysaqvgasqaakftvtpnapsvtlkl
gdygevtldceprsglnteafyvmtvgsksflvhrewfhdlalpwtspsstawrnrellm
efegahatkqsvvalgsqegglhqalagaivveysssvmltsghlkcrlkmdklalkgtt
ygmctekfsfaknpvdtghgtvvielsysgsdgpckipivsvaslndmtpvgrlvtvnpf
vatssanskvlvemeppfgdsyivvgrgdkqinhhwhkagstlg