>4f37K (K:) observed residues (from ATOM records)
divmtqtplslpvslgdqasiscrssqtilhsngntylewylqkpgqspnlliykvskrf
sgvpdrfsgsgsgtdftlkisrveaedlgvyycfqgsrvpltfgagtklelkradaaptv
sifppsseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysm
sstltltkdeyerhnsytceathktstspivksfnrne