{
  "uniprot_release": "2026_03",
  "reviewed_human_entries": 20431,
  "entries_with_disulfide_feature": 3809,
  "disulfide_features": 18945,
  "secreted": {
    "entries": 2139,
    "with_disulfide": 1501,
    "percent": 70.2
  },
  "cytosolic_or_nuclear_only": {
    "entries": 6547,
    "with_disulfide": 65,
    "percent": 1.0
  }
}