>3rpzA (A:) observed residues (from ATOM records)
amnvpfwteehvratlperdaeshkgtygtalllagsddmpgaallaglgamrsglgklv
igtsenviplivpvlpeatywrdgwkkaadaqleetyraiaigpglpqtesvqqavdhvl
tadcpvildagalakrtypkregpviltphpgeffrmtgvpvnelqkkraeyakewaaql
qtvivlkgnqtviafpdgdcwlnptgngalakggtgdtltgmilgmlcchedpkhavlna
vylhgacaelwtdehsahtllahelsdilprvwkrfe