[
  {
    "id": "seq-valid",
    "length": 11,
    "alphabet": "protein-20",
    "valid": false,
    "tokens": [0, 1, 2, 3, 20, 20, 20, 20, 20, 20, 20],
    "warnings": [
      {
        "residue": "X",
        "position": 5
      },
      {
        "residue": "B",
        "position": 6
      },
      {
        "residue": "Z",
        "position": 7
      },
      {
        "residue": "J",
        "position": 8
      },
      {
        "residue": "U",
        "position": 9
      },
      {
        "residue": "O",
        "position": 10
      }
    ],
    "errors": [
      {
        "residue": "*",
        "position": 11
      }
    ]
  }
]
