{
  "oags": "0.2",
  "status": "alpha",
  "entry": {
    "id": "IB-physarum-ca-inhibits",
    "type": "evidence",
    "claim": "In Physarum actomyosin, Ca2+ INHIBITS contraction — the opposite sign to animal striated muscle — and intracellular Ca2+ oscillates near-antiphase with tube radius.",
    "evidence_grade": "E1",
    "state": "verified",
    "primary_source_ref": [
      "Kohama — Physarum myosin Ca2+-regulation (report gives author name only; ~40-yr literature, no year/venue specified)",
      "Kscheschinski, Kramar & Alim 2023 (venue unverified in report)"
    ],
    "quantities": "Ca2+-inhibition sign stable across ~40 years of biochemistry; Ca2+ vs tube-radius phase relation is near-antiphase"
  },
  "expand": [
    {
      "rel": "relates",
      "target": "IB-physarum-advection",
      "href": "https://infoblock.org/b/IB-physarum-advection/oags.json"
    },
    {
      "rel": "relates",
      "target": "IB-physarum-intermittency",
      "href": "https://infoblock.org/b/IB-physarum-intermittency/oags.json"
    }
  ],
  "incoming": [
    {
      "rel": "relates",
      "from": "IB-physarum-advection",
      "href": "https://infoblock.org/b/IB-physarum-advection/oags.json"
    }
  ],
  "links": [
    "https://infoblock.org/b/IB-physarum-advection/",
    "https://infoblock.org/b/IB-physarum-intermittency/",
    "https://infoblock.org/b/IB-physarum-advection/"
  ],
  "declared_losses": [
    "Public evidence-graph projection: internal analytic/theory edges and private provenance are withheld by design (empirics-only surface).",
    "Alpha: some primary-source refs are pending precise citation verification."
  ],
  "generated": "2026-07-30"
}