>4b0jF (F:) observed residues (from ATOM records)
tkqhaftredllrcsrgelfgpgnaqlpapnmlmidrivhisdvggkygkgelvaeldin
pdlwffachfegdpvmpgclgldamwqlvgfylgwqgnpgrgralgsgevkffgqvlpta
kkvtynihikrtinrlvlaiadgtvsvdgreiysaeglrvglftstdsf