>4k5uC (C:) observed residues (from ATOM records)
acpsqcscsgtevncagkslasvpagiptttrvlylnsnqitklepgvfdrlanlrelhl
wgnqlvslppgvfdnlanleklwlnsnqltslpaglfdrlvnlehlglccmkltelpsga
fdkltrlkqlgldqnqlksipdgafarlpslthvwlhtnpwdcqctdilylsgwvaqhss
ivgegwpwrhspdsakcsgtntpvravteastspskc