>1qu4B (B:) observed residues (from ATOM records)
degdpffvadlgdivrkhetwkkclprvtpfyavkcnddwrvlgtlaalgtgfdcasnte
iqrvrgigvppekiiyanpckqishiryardsgvdvmtfdcvdelekvakthpkakmvlr
istlsvkfgakvedcrfileqakklnidvtgvsfhvgsgstdastfaqaisdsrfvfdmg
telgfnmhildigggfpgtrdaplkfeeiagvinnalekhfppdlkltivaepgryyvas
aftlavnviakkvtpaqsfmyyvndgvygsfncilydhavvrplpqrepipneklypssv
wgptcdgldqiveryylpemqvgewllfedmgaytvvgtssfngfqsptiyyvvsg