>4V03_1|Chains A, B|SITE-DETERMINING PROTEIN|AQUIFEX AEOLICUS (63363) MAEVIVITSGKGGVGKTTLTANIGTALAKLGKKVLLIDADIGLRNLDMILGLENRIVYDILDVLEGRVPYEKALVKDKRGLSLWLLPANQRANKDVIDIEKWNKTVEEIKNSGNYDYILVDSPAGIEKGFQIAVSPADKALIVVNPEVSSIRDADRVIGLLESMDKRNYKVIVNRIKWEMVKRGAMLSVEDIVDILKAEIIGIIPEEPKLVDFTNRGEPIVLDEKFPASQAIIDTARRLMGESIPLKRYGSHHHHHH