>1k4iA (A:) observed residues (from ATOM records)
fdaipdviqafkngefvvvlddpsreneadliiaaesvtteqmafmvrhssglicapltp
erttaldlpqmvthnadprgtaytvsvdaehpstttgisahdralacrmlaapdaqpshf
rrpghvfplravaggvrarrghteagvelcrlagkrpvaviseivddgqevegravraap
gmlrgdecvafarrwglkvctiedmiahvektegkl