>1kfaM (M:) observed residues (from ATOM records)
dvvmtqtplslsvslgdqasiscrssqslvhsngntylhwylqkpgqspklliykvssrf
sgfpdrfsgsgsgtdftlkisrveaedlgvyfcsqsthvpftfgsgtkleikradagptv
ssfppsseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysm
sstltltkdeyerhasytceaahktstspiaks