>4k5uB (B:) SEQRES residues
macpsqcscsgtevncagkslasvpagiptttrvlylnsnqitklepgvfdrlanlrelh
lwgnqlvslppgvfdnlanleklwlnsnqltslpaglfdrlvnlehlglccmkltelpsg
afdkltrlkqlgldqnqlksipdgafarlpslthvwlhtnpwdcqctdilylsgwvaqhs
sivgegwpwrhspdsakcsgtntpvravteastspskcpg