>4y283 (3:) observed residues (from ATOM records)
wfaskqslsyldgslpgdygfdplglsdpegtggfieprwlaygevingrfamlgavgai
apeylgkvglipqetalawfqtgvippagtynywadnytlfvlemalmgfaehrrfqdwa
kpgsmgkqyflglekgfggsgnpaypggpffnplgfgkdekslkelklkevkngrlamla
ilgyfiqglvtgvgpyqnlldhvadpvnnnvltsl