>3iv2A (A:) observed residues (from ATOM records)
prsvdwrekgyvtpvknqgqcgsawafsatgalegqmfrktgrlislseqnlvdcsgpqg
negcngglmdyafqyvqdnggldseesypyeateesckynpkysvandtgfvdipkqeka
lmkavatvgpisvaidaghesflfykegiyfepdcssedmdhgvlvvgygfestesdnnk
ywlvknswgeewgmggyvkmakdrrnhcgiasaasyptv