>3v6cA (A:) observed residues (from ATOM records)
aqglaglrnlgntcfmnsilqclsntrelrdyclqrlymrdlhhgsnahtalveefakli
qtiwtsspndvvspsefktqiqryaprfvgynqqdaqeflrflldglhnevnrvtlrpkp
enldhlpddekgrqmwrkyleredsrigdlfvgqlkssltctdcgycstvfdpfwdlslp
iakpevtlmdcmrlftkedvldgdekptccrcrgrkrcikkfsiqrfpkilvlhlkrfse
stsklttfvnfplrdldlrefasenhavynlyavsnhsgttmgghytaycrspgtgewht
fndssvtpmsssqvrtsdayllfyela