{
  "mass_matrix": [
    [
      "2918287/1896129",
      "-2220050/1896129",
      "-173600/1896129",
      "0"
    ],
    [
      "-2220050/1896129",
      "41930851/15169032",
      "-409603/1896129",
      "-4526/1896129"
    ],
    [
      "-173600/1896129",
      "-409603/1896129",
      "3401582/1896129",
      "-9052/111537"
    ],
    [
      "0",
      "-4526/1896129",
      "-9052/111537",
      "761536/1896129"
    ]
  ],
  "loaded_K": [
    [
      "-78872244146712/128207494131359",
      "83986018067898/128207494131359",
      "18585302380281/128207494131359"
    ],
    [
      "26200735858341/128207494131359",
      "-55508178146328/128207494131359",
      "282145384273077/512829976525436"
    ],
    [
      "6932106943713/128207494131359",
      "466673731365033/512829976525436",
      "-202241606180137875/74873176572713656"
    ]
  ],
  "unbound_only_K": [
    [
      "-60959/1736",
      "2723451/1168328",
      "104/673"
    ],
    [
      "102797/8680",
      "-7186461/5841640",
      "1585/1346"
    ],
    [
      "91781/8680",
      "12179667/5841640",
      "-1097395/196516"
    ]
  ],
  "entrywise_difference": "7678478418914821249/222568209812039224",
  "scope": "The loaded mass matrix retains enzyme-bound substrate. Replacing it by free-substrate diagonal changes the slow model."
}