>2b4jB (B:) observed residues (from ATOM records)
spgiwqldcthlegkvilvavhvasgyieaevipaetgqetayfllklagrwpvktvhtd
ngsnftsttvkaacwwagikqefgipynpqsqgviesmnkelkkiigqvrdqaehlktav
qmavfihnkkrsagerivdiiatdi