>1k4oA (A:) observed residues (from ATOM records)
fdaipdviqafkngefvvvlddpsreneadliiaaesvtteqmafmvrhssglicapltp
erttaldlpqmvthnadprgtaytvsvdaehpstttgisahdralacrmlaapdaqpshf
rrpghvfplravaggvrarrghteagvelcrlagkrpvaviseivddgqevegravraap
gmlrgdecvafarrwglkvctiedmiahvektegkl