>6cnzA (A:) observed residues (from ATOM records)
ddtaltnlvalasqrlalaepvahwkwinrkpisdppreaalltdvekratangvdpaya
rtffddqiaaskqlqnalfatwrathgpegpapdlatstrpqldrltqsliaalarvapl
rdapdcpsrlarsianwktltrydsaqkdalgtalshvcaa