>4nbuA (A:) observed residues (from ATOM records)
srlqdkvaiitgaangigleaarvfmkegakvviadfneaagkeaveanpgvvfirvdvs
dresvhrlvenvaerfgkidilinnagitrdsmlskmtvdqfqqvinvnltgvfhctqav
lpymaeqgkgkiintssvtgtygnvgqtnyaaakagvigmtktwakelarkginvnavap
gftetamvaevpekviekmkaqvpmgrlgkpedianaylflashesdyvnghvlhvdggi
mm