>4mbzB (B:) observed residues (from ATOM records)
shmggvevlevrgpdaitqieaylnprmgnnipsedlygysnsintafskasdtpnkdtl
pcysvaviklpllnedmtcdtilmweavsvktevvgisslvnlhqggkyiygsssgcvpv
qgttyhmfavggeplelqglvasstatypddvvaiknmkpgnqgldpkakalldkdgkyp
vevwcpdpsknentryygsftggattppvmqftnsvttvlldengvgplckgdklflsca
diagvhtnysetqvwrglpryfnvtlrkrivknp