>1xreA (A:) observed residues (from ATOM records) sfqlpklsydydelepyidsntlsihhgkhhatyvnnlnaalenyselhnksleellcnl etlpkeivtavrnnggghychslfwevmsprgggepngdvakvidyyfntfdnlkdqlsk aaisrfgsgygwlvldgeelsvmstpnqdtplqegkipllvidvwehayylkyqnrrpef vtnwwhtvnwdrvnekylqai