{
  "id": 17141879,
  "title": "Simplified ancestral enzyme makes ATP without amino acid needed for its usual reaction",
  "url": "https://urgent.news/2026/10/29/simplified-ancestral-enzyme-makes-atp-without-amino-acid-needed-for",
  "topic": "science",
  "section": "Science",
  "published": "2026-10-29T23:00:06.000Z",
  "source": {
    "name": "Phys.org",
    "slug": "phys-org",
    "url": "https://phys.org/news/2026-10-ancestral-enzyme-atp-amino-acid.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "Proteins perform essential functions in living organisms, from catalyzing biochemical reactions to supporting cellular energy metabolism. Their functions depend on their amino acid composition and three-dimensional structures. However, early proteins may have evolved when fewer amino acid types were available than those used by most modern proteins.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}