>4utcA (A:) observed residues (from ATOM records)
mrcigisnrdfvegvsggswvdivlehgscvttmaknkptldfelikteakqpatlrkyc
ieakltntttesrcptqgepslneeqdkrfickhsmvdrgwgngcglfgkggivtcakft
ckknmegkivqpenleytivitphsgeehavgndtgkhgkeikitpqsstteaeltgygt
vtmecsprtdfnemvllqmedkawlvhrqwfldlplpwlpgadtqgsnwiqketlvtfkn
phakkqdvvvlgsqegamhtaltgateiqmssgnllfhlkcrlrmdklqlkgmsysmctg
kfkivkeiaetqhgtivirvqyegdgspckipfeitdlekrhvlgrlitvnpivtekdsp
vnieaeppfgdsyiivgvepgqlklnwlrpl