>3c09D (D:) observed residues (from ATOM records)
kkvcngigigefkdslsinatnikhfknctsisgdlhilpvafrgdsfthtppldpqeld
ilktvkeitgflliqawpenrtdlhafenleiirgrtkqhgqfslavvslnitslglrsl
keisdgdviisgnknlcyantinwkklfgtsgqktkiisnrgensckatgqvchalcspe
gcwgpeprdcv