>tr|A0A090HK67|A0A090HK67_ECOLX Xanthine dehydrogenase family protein subunit M OS=Escherichia coli GN=hcrB MKAFTYERVNTPAEAALSAQRVPGAKFIAGGTNLLDLMKLEIETPTHLIDVNGLGLDKIE VTDAGGLRIGALVRNTDLAAHERVRRDYAVLSRALLAGASGQLRNQATTAGNLLQRTRCP YFYDTNQPCNKRLPGSGCAALEGFSRQHAVVGVSEACIATHPSDMAVAMRLLDAVVETIT PEGKTRSITLADFYHPPGKTPHIETALLPGELIVAVTLPPPLGGKHIYRKVRDRASYAFA LVSVAAIIQPDGSGRVALGGVAHKPWRIEAADAQLSQGAQAVYDTLFASAHPTAENTFKL LLAKRTLASVLAEARAQA