>sp|P20343|CYSX_ECOLI Putative uncharacterized protein CysX OS=Escherichia coli GN=cysX MRRHRLQHHGTCANLRAAPNFNIAEDFRARANHHTFTNFRVTVTTRFTRTAKRHRLQNRY VVFNHRRFTNDDACRVVKHDTATNFCCRVNIDLERHRNLVLQKDCQCATPLIPQPVTDAI GLQGMKTLQV