[
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        "id": "-1_5",
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    ],
    "macro_pka_values": [
      {
        "pka_value": 2.45,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 2.4,
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        "data_source": "IUPAC digitized pKa"
      },
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        "pka_value": 2.66,
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        "data_source": "IUPAC digitized pKa"
      },
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        "pka_value": 1.9,
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        "charge_state_post": 1,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 9.05,
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        "charge_state_post": -4,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 10.66,
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        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 8.96,
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        "charge_state_post": -4,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 10.35,
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        "charge_state_post": -4,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 9.07,
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        "charge_state_post": -4,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 10.45,
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        "charge_state_post": -4,
        "data_source": "IUPAC digitized pKa"
      }
    ]
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]