>3gurB (B:) observed residues (from ATOM records)
pmtlgywnirglahsirllleytdssyeekkytmgdapdydrsqwlnekfklgldfpnlp
ylidgthkitqsnailryiarkhnlcgesekeqiredilenqfmdsrmqlaklcydpdfe
klkpeylqalpemlklysqflgkqpwflgdkitfvdfiaydvlernqvfepscldafpnl
kdfisrfeglekisaymkssrflprpvftkmavwgn