>3b2uB (B:) observed residues (from ATOM records)
ekkvcngigigefkdslsinatnikhfknctsisgdlhilpvafrgdsfthtppldpqel
dilktvkeitgflliqawpenrtdlhafenleiirgrtkqhgqfslavvslnitslglrs
lkeisdgdviisgnknlcyantinwkklfgtsgqktkiisnrgensckatgqvchalcsp
egcwgpeprdcvsc