>4esaB (B:) observed residues (from ATOM records)
vewtdqeratissifgsldyddigpkalsrclivypwtqrhfgsfgnlynaeaiignqkv
aahgikvlhgldravknmdnikeiyaelsilhseklhvdpdnfklladcltivvaakmgs
gfnpgtqatfqkflavvvsalgkq