>3b2uP (P:) observed residues (from ATOM records)
kkvcngigigefkdslsinatnikhfknctsisgdlhilpvafrgdsfthtppldpqeld
ilktvkeitgflliqawpenrtdlhafenleiirgrtkqhgqfslavvslnitslglrsl
keisdgdviisgnknlcyantinwkklfgtsgqktkiisnrgensckatgqvchalcspe
gcwgpeprdcvsc