>3nt9B (B:) observed residues (from ATOM records)
elikenmhmklymegtvnnhhfkctsegegkpyegtqtmrikvveggplpfafdilatsf
mygsytfinhtqgipdffkqsfpegftwervttyedggvltatqdtslqdgcliynvkir
gvnftsngpvmqkktlgweagtemlypadgglegrsdealklvggghlicnlkstyrskk
paknlkvpgvyyvdrrlerikeadketyveqhevavarycdlpskl