>1nbfB (B:) observed residues (from ATOM records)
kkhtgyvglknqgatcymnsllqtlfftnqlrkavymmptegddssksvplalqrvfyel
qhsdkpvgtkkltksfgwetldsfmqhdvqelcrvlldnvenkmkgtcvegtipklfrgk
mvsyiqckevdyrsdrredyydiqlsikgkknifesfvdyvaveqldgdnkydagehglq
eaekgvkfltlppvlhlqlmrfmydpqtdqnikindrfefpeqlpldeflqktdpkdpan
yilhavlvhsgdnhgghyvvylnpkgdgkwckfdddvvsrctkeeaiehnygghdddlsv
rhctnaymlvyiresklsevlqavtdhdipqqlverlqeekrieaqk