>sp|Q8XV84|HIS4_RALN1 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Ralstonia nicotianae GN=hisA MLLIPAIDLKDGQCVRLKQGDMDQATVFSEDPAAMARHWVDQGARRLHLVDLNGAFVGKP RNEAAIKAIIAEVGSEIPVQLGGGIRDLNTIERWLDDGLSYVIIGTAAVKNPGFLQDACT AFGGHIIVGLDARDGKVATDGWSKLTGHEVVDLARKYEDYGVESIIYTDIGRDGMLQGIN IDATVKLAQSVSIPVIASGGLSSLKDIDHLCAVESEGVEGVICGRAIYSGDLNFREAQDH ADKLGAA