>4k57B (B:) SEQRES residues
ghmtvepfrnepietfqteearramrealrrvreefgrhyplyiggewvdtkermvslnp
sapsevvgttakagkaeaeaaleaawkafktwkdwpqedrsalllkaaalmrrrkrelea
tlvyevgknwveasadvaeaidfieyyaraalryrypavevvpypgednesfyvplgagv
viapwnfpvaiftgmimgpvavgntviakpaedavvvgakvfeifheagfppgvvnflpg
vgeevgaylvehprtrfinftgslevglkiyeaagrlapgqtwfkrayvetggkdaiivd
etadfdlaaegvvvsaygfqgqkcsaasrliltqgayepvlervlkraerlsvgpaeenp
dlgpvvsaeqerkvlsyieigknegqlvlggkrlegegyfiaptvftevppkariaqeei
fgpvlsvirvkdfaealevandtpygltggvysrkrehlewarrefhvgnlyfnrkitga
lvgvqpfggfklsgtnaktgaldylrlflemkavaerf