>2pw1B (B:) SEQRES residues
ritlkesgpplvkptqtltltcsfsgfslsdfgvgvgwirqppgkalewlaiiysdddkr
yspslntrltitkdtsknqvvlvmtrvspvdtatyfcahrrgpttlfgvpiargpvnamd
vwgqgitvtisststkgpsvfplapsskstaggtaalgclvkdyfpepvtvswnsgalts
gvhtfpavlqssglyslssvvtvpssslgtqtytcnvnhkpsntkvdkrvepksc