Claim
A 2.52-angstrom cryo-electron microscopy structure showed IMP-2380 bound to NorA in an outward-open conformation that occludes the substrate-binding cavity.
Topics
Biology · 1efd24fe Chemistry · 1efd24fe
Assessment
Supported
Main unresolved issue: 2 counted evidence items have no independence review; repeats of one origin may be counted as several coverage:5d60e455-d46c-857b-ba95-154befcd59ae
Not yet independently audited.Evidence reviewed so far supports this claim, but only 1 of 4 review checks has been done.Every quoted passage was confirmed on the page when Galedra fetched it.
Why?
Strongest counted support: The primary study reports a 2.52-angstrom cryo-EM structure of IMP-2380 bound to outward-open NorA. weight 2.000000 evidence
Suppressed as dependent: The quoted passage directly reports the 2.52-angstrom cryo-EM NorA–IMP-2380 structure, outward-open conformation, and occlusion of the cytosolic substrate-binding cavity.
Review gaps: qualifiers reviewed, opposing search done, independence reviewed
What would most change this: One independent, direct measurement that contradicts this claim would move it from Supported to Unresolved.
0.8808 under ledger-default@0.3.0 at snapshot 27745 · state Supported · Review checks: 1 of 4 · stability MEDIUM · 2 sources, 1 independent lineage
How the number was reached
| Link | Working | Weight | Counted as |
|---|---|---|---|
| da582635 support | relevance DIRECT 2.0 × observation MEASUREMENT 1.0 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1 | 2.000000 | 2.000000 |
| 4dfa3fab support | relevance DIRECT 2.0 × observation DIRECT_TEXT 0.9 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1 | 1.800000 | 0.000000 (dependent strongest only, kept da582635) |
prior 0.50 → log-odds 0.000000 + 2.000000 (the counted weights) = 2.000000 → probability 0.8808
Your view
Registered views
Nobody has registered a view yet.
Checked as part of
- “A 2026 study characterized IMP-2380 as a NorA efflux inhibitor that potentiated ciprofloxacin against MRSA and revealed its binding mode by cryo-EM.” · 2 claims · 29 September 2026
Evidence for
-
From Small-molecule inhibitors block NorA efflux by conformational trapping Read 2026-09-29 Relevance DIRECT Steps 0 Counted
Primary cryo-EM structural result.
-
From Small-molecule inhibitors block NorA efflux by conformational trapping Read 2026-09-29 Relevance DIRECT Steps 0 Counted
The excerpt states the resolution, complex, conformation, and cavity occlusion.
Evidence against
None.
Qualifications
None.
Suppressed as dependent
| Evidence | Group | Kept instead |
|---|---|---|
| 0398a188 | da582635 |
Inferences
Concluded from
None.
Used as a premise in
None.
Threads
None. Threads are for disagreements about how a determination was made — a statement whose figures are not in the passage it rests on, two sources that may share an origin. Something about the world belongs in the evidence above.
Claim edges
None. Edges are stored and displayed; v0.1 does not propagate probability across them.
Review checklist
Review checks: 1 of 4
| Check | Done | By |
|---|---|---|
| qualifiers reviewed | no | |
| opposing search done | no | |
| independence reviewed | no | |
| primary source reviewed | yes | da582635, 4dfa3fab |
Summary
Supported. The main support is: The primary study reports a 2.52-angstrom cryo-EM structure of IMP-2380 bound to outward-open NorA. 8692d824
1 further item repeats the same origin and is not independent evidence. 0398a188
Review checks: 1 of 4. coverage:5d60e455-d46c-857b-ba95-154befcd59ae
Contribution history
| seq | event | detail |
|---|---|---|
| 18486 | APPENDED | |
| 18487 | ACCEPT | AUTOMATIC_AFTER_VALIDATION |
| 18496 | LINK_EVIDENCE | by 1efd24fe (accepted) |
| 24717 | TASK_RESULT | by 1efd24fe (accepted) |
Score trace
{
"claim": "5d60e455-d46c-857b-ba95-154befcd59ae",
"links": [
{
"link": "a2727d09-2e8c-8362-9097-016dda582635",
"group": null,
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"direction": "SUPPORT",
"magnitude": "2.000000",
"relevance": "DIRECT",
"extraction": "UNVERIFIED",
"provenance": "INDEPENDENT",
"observation": "MEASUREMENT",
"source_type": "PRIMARY_TEXT",
"authenticity": "UNVERIFIED",
"audit_confirmed": false,
"effective_weight": "2.000000",
"interpretive_steps": 0
},
{
"kept": "a2727d09-2e8c-8362-9097-016dda582635",
"link": "e0ef37ba-aea5-8ede-9dcc-126f4dfa3fab",
"group": null,
"reason": "dependent_strongest_only",
"edition": "NAMED_OR_UNRELATED",
"evidence": "bcdce0e7-e8b8-8a63-9446-71060398a188",
"direction": "SUPPORT",
"magnitude": "1.800000",
"relevance": "DIRECT",
"extraction": "UNVERIFIED",
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"observation": "DIRECT_TEXT",
"source_type": "PRIMARY_TEXT",
"authenticity": "UNVERIFIED",
"audit_confirmed": false,
"effective_weight": "0.000000",
"interpretive_steps": 0
}
],
"model": "ledger-default@0.3.0",
"prior": "0.50",
"variants": {
"spread": "0.1287",
"permissive": "0.9309",
"conservative": "0.8022"
},
"code_hash": "sha256:c61a6fdf35a754a0d7e958df149036a083c0eaeb7d2d2e52704ec32b0c36def7",
"contested": false,
"stability": "MEDIUM",
"claim_type": "OBSERVATIONAL",
"config_hash": "sha256:86768038080b8ab5233f1e4b7aba10af05b5bb44caa432095150b90e81209809",
"probability": "0.8808",
"provisional": true,
"evidence_sum": "2.000000",
"snapshot_seq": 25892,
"prior_log_odds": "0.000000",
"support_groups": 1,
"model_dependent": false,
"review_coverage": "0.25",
"truth_evaluable": true,
"assessment_state": "SUPPORTED",
"review_checklist": {
"qualifiers_reviewed": {
"by": [],
"ok": false
},
"opposing_search_done": {
"by": [],
"ok": false
},
"independence_reviewed": {
"by": [],
"ok": false
},
"primary_source_reviewed": {
"by": [
"a2727d09-2e8c-8362-9097-016dda582635",
"e0ef37ba-aea5-8ede-9dcc-126f4dfa3fab"
],
"ok": true
}
},
"contradict_groups": 0,
"rounding_boundary": false,
"posterior_log_odds": "2.000000",
"not_applicable_reason": null,
"independence_unreviewed": 2
}