>4mbxB (B:) SEQRES residues
gshmggvevlevrtgpdaitqieaylnprmgnnipsedlygysnsintafskasdtpnkd
tlpcysvaviklpllnedmtcdtilmweavsvktevvgisslvnlhqggkyiygsssgcv
pvqgttyhmfavggeplelqglvasstatypddvvaiknmkpgnqgldpkakalldkdgk
ypvevwcpdpsknentryygsftggattppvmqftnsvttvlldengvgplckgdklfls
cadiagvhtnysetqvwrglpryfnvtlrkrivknpyp