>tr|D5H7Y2|D5H7Y2_SALRM Phosphoribosyl-AMP cyclohydrolase OS=Salinibacter ruber GN=hisI MSDPLLDAADFTDDGLIPAIVQDAETDQVLMMAYMTAETLQETLDTGRMVYWSRSRQERW VKGQTSGHTQTVEEARLDCDGDTLLFRVHQEGGACHTGFRSCFHRRAADDGWTTDGEKVF DPDAVYE