>5v3tB (B:) observed residues (from ATOM records)
pmtpfeaiggeqcieilvdtfysyvskhpdlspifpddltetarkqkqfltqylggpnly
teehghpmlrarhlpfeitpkraeawlscmeqamddtgvhghirefvferlaltaqhmvn
tpn