PRKAA1 and neoplasm: Furthermore, expression of ASS1, AMPK‐α1, or RNF44 represented as H‐score confirmed that BR/BMR tumor samples had 2‐7‐fold lower ASS1 and AMPK‐α1 than the average levels but fivefold higher RNF44 compared to naïve melanoma samples (Fig. 7D).