>3ngxB (B:) observed residues (from ATOM records)
kilrgeeiaekkaenlhgiiersglepslkliqigdneaasiyarakirrgkkigiavdl
ekyddismkdllkriddlakdpqingimienplpkgfdyyeivrnipyykdvdalspynq
glialnreflvpatpravidimdyygyhentvtivnrspvvgrplsmmllnrnytvsvch
sktkdigsmtrsskivvvavgrpgflnremvtpgsvvidvginyvndkvvgdanfedlse
yveaitpvpggvgpitatnilenvvkaaefqknnl