{
  "ratio_interval": [
    "41/10",
    "21/5"
  ],
  "free_substrate_lower": "2260898025826008319/15168384",
  "exceeds_1e9": true,
  "fixed_enzyme_total": "10",
  "kinase_substrate_ratio_upper": "151683840/2260898025826008319",
  "scope": "fixed effective rates and polynomial target; retain a branch in this interval"
}