{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T10:50:26Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 21.0, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a0953c-44b1-7bc1-9bba-0cc97fa664ee\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: L-gulonolactone oxidase\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 0", "usd": 0.0, "recall": true }, "codex": { "seconds": 76.3, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a0953c-44aa-7f83-86e2-581187c08509\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: L-gulonolactone oxidase\nRegistry id: vr.tr.l-gulonolactone-oxidase\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded in" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:55:11+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "visual_identification" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:28+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q2282493", "registryId": "vr.tr.l-gulonolactone-oxidase", "name": "L-gulonolactone oxidase", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q2282493/", "model": { "registry_id": "vr.tr.l-gulonolactone-oxidase", "name": "L-gulonolactone oxidase", "purpose": "Enable an agent to identify L-gulonolactone oxidase, assess whether a particular protein preparation is catalytically competent, and judge its suitability for a specified biochemical use.", "definition": "L-gulonolactone oxidase is a flavin-dependent enzyme (EC 1.1.3.8) that oxidizes L-gulono-1,4-lactone using molecular oxygen, producing hydrogen peroxide and an intermediate that spontaneously rearranges to L-ascorbate in the final step of vitamin C biosynthesis in animals possessing this pathway.", "scope_statement": "This model owns the enzyme identity registered as vr.tr.l-gulonolactone-oxidase in PHY / PHY.MAT, including organism-specific protein forms, catalytic properties and preparation states, while distinguishing these from genes, substrates and complete biosynthetic pathways.", "in_scope": [ "Enzyme identity and evidence for assignment to EC 1.1.3.8", "Organism, protein sequence, native form and engineered variants", "Substrate recognition, oxygen-dependent catalysis and product formation", "Flavin cofactor state and preparation-specific membrane context", "Activity measurements, preparation quality and retained catalytic function" ], "out_of_scope": [ "GULO genes and pseudogenes as independently modelled genetic entities", "L-gulonolactone, ascorbate and hydrogen peroxide as chemical substances", "Complete vitamin C biosynthetic pathways and organismal nutritional requirements", "Other lactone oxidases and dehydrogenases as separate enzyme identities", "Commercial reagent formulations and therapeutic interventions as products or procedures" ], "distinguishing_features": [ "Require evidence connecting the protein to EC 1.1.3.8 rather than relying on the abbreviation GULO alone; the accepted identity is documented by [IUBMB](https://iubmb.qmul.ac.uk/enzyme/EC1/1/3/8.html).", "Test L-gulono-1,4-lactone turnover with oxygen as acceptor and peroxide formation; ascorbate production alone is insufficient to establish this reaction identity. See [IUBMB reaction nomenclature](https://iubmb.qmul.ac.uk/enzyme/EC1/1/3/8.html).", "Distinguish the immediate oxidation product from ascorbate formed through subsequent spontaneous isomerization, as specified by [IUBMB](https://iubmb.qmul.ac.uk/enzyme/EC1/1/3/8.html).", "Resolve a protein accession and organism separately from its encoding gene: the [pig UniProt entry](https://www.uniprot.org/uniprotkb/Q8HXW0/entry) identifies protein Q8HXW0 and gene GULO as different records.", "Compare substrate and electron-acceptor dependence with candidate neighbouring lactone enzymes instead of identifying the enzyme from vitamin C pathway association alone." ], "characteristics": [ { "name": "Catalytic identity", "kind": "category", "unit_or_values": "EC 1.1.3.8; experimentally supported, sequence-inferred or unresolved assignment", "why_it_matters": "Separates a demonstrated enzyme activity from a name or predicted annotation." }, { "name": "Biological and sequence identity", "kind": "relation", "unit_or_values": "Organism and strain identifiers; protein accession and version; sequence; variant or construct", "why_it_matters": "Prevents properties of one orthologue or engineered construct from becoming universal defaults." }, { "name": "Preparation form", "kind": "category", "unit_or_values": "Native membrane fraction, detergent-solubilized protein, purified recombinant protein or other documented form", "why_it_matters": "Defines the physical context in which activity and stability were assessed." }, { "name": "FAD occupancy", "kind": "measurement", "unit_or_values": "mol FAD/mol protein, with method and uncertainty", "why_it_matters": "Supports investigation of cofactor deficiency when protein abundance and catalytic activity disagree." }, { "name": "Specific activity", "kind": "measurement", "unit_or_values": "µmol defined substrate consumed or product formed/min/mg protein, under stated assay conditions", "why_it_matters": "Enables preparation comparison only when the measured species and protein denominator are explicit." }, { "name": "Apparent substrate kinetics", "kind": "measurement", "unit_or_values": "Apparent Km in mM; Vmax in µmol/min/mg; temperature, pH and oxygen conditions required", "why_it_matters": "Supports selection of substrate concentrations without treating conditional measurements as universal constants." }, { "name": "Oxygen availability", "kind": "measurement", "unit_or_values": "Dissolved O2 in µM or documented oxygenation conditions", "why_it_matters": "Helps distinguish limited oxygen supply from loss of enzyme function." }, { "name": "Catalytic competence", "kind": "state", "unit_or_values": "Demonstrated active, below detection under stated conditions, inactive by validated test or untested", "why_it_matters": "Keeps absence of a measured signal distinct from proven irreversible inactivation." }, { "name": "Retained activity", "kind": "measurement", "unit_or_values": "% of initial activity after specified storage or handling exposure", "why_it_matters": "Determines whether a preparation remains suitable for its intended experiment." } ], "affordances": [ "Resolve an enzyme name to a supported protein identity and related gene record.", "Select a preparation whose organism, construct and physical form match the intended experiment.", "Design a substrate- and oxygen-controlled assay with independent confirmation of product identity.", "Compare catalytic performance across preparations using compatible assay conditions.", "Investigate low activity through cofactor, oxygen, membrane-context and preparation-quality checks.", "Accept, recharacterize or reject a preparation against explicit activity and stability criteria." ], "agent_conduct": { "may": [ "Describe L-gulonolactone oxidase and why humans and some animals cannot make vitamin C.", "Annotate the enzyme and its gene using recognized databases." ], "must_not": [ "Use the human gene loss to support claims that some groups of people are inferior.", "Promote vitamin C megadoses as treatments based on this enzyme without evidence.", "Help modify animals or people genetically outside lawful, ethically approved research." ], "requires_human": [ "Animal research involving the enzyme or its gene." ] }, "ethics": { "considerations": [ "Animals that lack it, such as guinea pigs, depend on keepers to provide vitamin C.", "Evolutionary findings can be twisted to support false health claims." ], "affected_parties": [ "Animals in care", "Patients exposed to false claims", "Researchers" ] }, "owners": { "steward": "Nobody owns the enzyme; curated enzyme databases maintain records of it.", "master_systems": [ "Enzyme nomenclature and protein databases" ] }, "visual_identification": [ "Not visible; detected by enzyme assays or genetic analysis." ], "failure_modes_and_hazards": [ "Lack of the active enzyme means scurvy if diet lacks vitamin C." ], "what_it_is_for": [ "This enzyme participates in the final stage of vitamin C biosynthesis in animals that retain a functional pathway.", "Biochemical research uses it to investigate flavin-dependent oxidation, ascorbate synthesis and differences between species.", "Assessment of an enzyme preparation considers its biological source, catalytic activity and compatibility with the intended assay." ], "standards_and_regulation": [ "The enzyme classification maintained by the International Union of Biochemistry and Molecular Biology assigns L-gulonolactone oxidase to EC 1.1.3.8." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q2282493: L-gulonolactone oxidase", "url": "https://www.wikidata.org/wiki/Q2282493", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: L-gulonolactone oxidase", "url": "https://en.wikipedia.org/wiki/L-gulonolactone_oxidase", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "enzyme-identity", "name": "Enzyme identity", "description": "Establish which protein form is being represented and how strongly its catalytic assignment is supported.", "rationale": "A shared enzyme name does not establish identical sequence, biological origin or demonstrated function.", "layers": [ { "id": "reaction-assignment", "name": "Reaction assignment", "description": "Connect the registered thing to a supported enzyme classification.", "findings": [ { "id": "ec-assignment-evidence", "name": "EC assignment evidence", "description": "Record whether assignment to EC 1.1.3.8 follows direct catalytic characterization, curated annotation or sequence inference.", "questions": [ { "text": "What evidence supports assigning this protein to L-gulonolactone oxidase activity?", "kind": "definition", "id": "ec-assignment-evidence-q01" }, { "text": "Which accession, publication or assay record supports the assignment, and was its evidence inspected?", "kind": "provenance", "id": "ec-assignment-evidence-q02" } ] } ] }, { "id": "protein-form", "name": "Protein form", "description": "Identify the biological molecule rather than only its gene symbol.", "findings": [ { "id": "orthologue-and-construct", "name": "Orthologue and construct", "description": "Attach observations to a specific organism, sequence and native or engineered protein form.", "questions": [ { "text": "Which organism, protein sequence and accession version define the material?", "kind": "provenance", "id": "orthologue-and-construct-q01" }, { "text": "Does the record describe an intact protein, a modified construct or a genetic locus without demonstrated protein production?", "kind": "boundary", "id": "orthologue-and-construct-q02" } ] } ] } ] }, { "id": "catalytic-transformation", "name": "Catalytic transformation", "description": "Represent the substrate, acceptor and products that establish the enzyme's biochemical function.", "rationale": "Vitamin C formation is an endpoint that must be connected to the specific oxidation being attributed to this enzyme.", "layers": [ { "id": "substrate-recognition", "name": "Substrate recognition", "description": "Resolve lactone identity and experimentally supported substrate range.", "findings": [ { "id": "lactone-specificity", "name": "Lactone specificity", "description": "Record substrate stereochemistry and ring form, and distinguish tested alternative substrates from assumed equivalents.", "questions": [ { "text": "Was the tested substrate verified as L-gulono-1,4-lactone, and what was its purity?", "kind": "measurement", "id": "lactone-specificity-q01" }, { "text": "Which related lactones were tested under comparable conditions, and how did their turnover differ?", "kind": "boundary", "id": "lactone-specificity-q02" } ] } ] }, { "id": "oxygen-and-products", "name": "Oxygen and products", "description": "Separate enzymatic oxidation from subsequent product chemistry.", "findings": [ { "id": "reaction-accounting", "name": "Reaction accounting", "description": "Track oxygen consumption, peroxide formation and the distinction between immediate oxidation product and final ascorbate endpoint.", "questions": [ { "text": "Which measurements establish oxygen-dependent lactone oxidation and peroxide production in this preparation?", "kind": "measurement", "id": "reaction-accounting-q01" }, { "text": "Does the reported rate measure immediate oxidation, subsequent ascorbate appearance or a coupled reporter reaction?", "kind": "definition", "id": "reaction-accounting-q02" } ] } ] } ] }, { "id": "functional-protein-context", "name": "Functional protein context", "description": "Record the cofactor and physical environment associated with the measured protein.", "rationale": "IUBMB describes the enzyme as a microsomal FAD flavoprotein; application to a particular orthologue or preparation requires evidence. See [IUBMB](https://iubmb.qmul.ac.uk/enzyme/EC1/1/3/8.html).", "layers": [ { "id": "flavin-state", "name": "Flavin state", "description": "Assess cofactor identity and occupancy independently of protein concentration.", "findings": [ { "id": "fad-competence", "name": "FAD competence", "description": "Capture measured FAD content, evidence concerning its attachment and the relationship between cofactor state and activity.", "questions": [ { "text": "What measurements establish FAD identity, occupancy and attachment in this protein form?", "kind": "measurement", "id": "fad-competence-q01" }, { "text": "If flavin occupancy is deficient, is there evidence that a specified reconstitution procedure restores activity?", "kind": "action", "id": "fad-competence-q02" } ] } ] }, { "id": "membrane-environment", "name": "Membrane environment", "description": "Preserve the distinction between native localization and the physical form used experimentally.", "findings": [ { "id": "localization-and-solubilization", "name": "Localization and solubilization", "description": "Record localization evidence and any membrane extraction, detergent exposure or reconstitution associated with the activity result.", "questions": [ { "text": "Is the reported membrane localization demonstrated for this organism or transferred from another protein?", "kind": "provenance", "id": "localization-and-solubilization-q01" }, { "text": "How did solubilization or a change in lipid environment affect recovered L-gulonolactone oxidase activity?", "kind": "measurement", "id": "localization-and-solubilization-q02" } ] } ] } ] }, { "id": "activity-and-assay-validity", "name": "Activity and assay validity", "description": "Determine whether an observed signal supports a quantitative claim about this enzyme.", "rationale": "Substrate availability, oxygen supply and reporter chemistry can change the apparent activity without changing protein identity.", "layers": [ { "id": "conditional-kinetics", "name": "Conditional kinetics", "description": "Keep kinetic measurements attached to the conditions that produced them.", "findings": [ { "id": "rate-conditions", "name": "Rate conditions", "description": "Record substrate concentration, dissolved oxygen, pH, temperature and the normalization basis for each rate.", "questions": [ { "text": "Under what substrate, oxygen, pH and temperature conditions was the initial rate measured?", "kind": "measurement", "id": "rate-conditions-q01" }, { "text": "Do the data justify a kinetic parameter estimate, or only an activity value at one condition?", "kind": "boundary", "id": "rate-conditions-q02" } ] } ] }, { "id": "signal-attribution", "name": "Signal attribution", "description": "Separate target-enzyme turnover from background and coupled-assay limitations.", "findings": [ { "id": "orthogonal-assay-controls", "name": "Orthogonal assay controls", "description": "Require controls for substrate-independent signals, peroxide removal and product loss where they affect interpretation.", "questions": [ { "text": "What do no-substrate, no-enzyme and validated inactive-enzyme controls show?", "kind": "measurement", "id": "orthogonal-assay-controls-q01" }, { "text": "Which independent product or oxygen measurement can confirm that the reporter signal tracks the target reaction?", "kind": "action", "id": "orthogonal-assay-controls-q02" } ] } ] } ] }, { "id": "preparation-fitness", "name": "Preparation fitness", "description": "Judge whether a particular enzyme preparation can support its intended biochemical use.", "rationale": "Protein identity alone cannot establish usable activity, compatible contaminants or stability after handling.", "layers": [ { "id": "composition-and-interference", "name": "Composition and interference", "description": "Characterize the preparation components that affect turnover or its measurement.", "findings": [ { "id": "active-material-quality", "name": "Active material quality", "description": "Record target-protein content, degradation and components that could consume peroxide, oxidize ascorbate or interfere with detection.", "questions": [ { "text": "How much intact target protein is present, and how was its proportion measured?", "kind": "measurement", "id": "active-material-quality-q01" }, { "text": "Which contaminants or formulation components could change the measured peroxide or ascorbate signal?", "kind": "boundary", "id": "active-material-quality-q02" } ] } ] }, { "id": "handling-and-use", "name": "Handling and use", "description": "Translate preparation-specific stability evidence into a use decision.", "findings": [ { "id": "retained-catalytic-fitness", "name": "Retained catalytic fitness", "description": "Base storage and reuse decisions on retained activity under documented conditions, including any effects of reaction-associated peroxide.", "questions": [ { "text": "What fraction of activity remains after the recorded storage period, freeze-thaw history or reaction exposure?", "kind": "measurement", "id": "retained-catalytic-fitness-q01" }, { "text": "What activity threshold and peroxide-management conditions must this preparation satisfy for the intended use?", "kind": "action", "id": "retained-catalytic-fitness-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "This is a protein enzyme category, so sequence, organism, preparation and activity are more informative than generic melting or boiling points.", "Species-specific localization, kinetic constants, molecular mass and assay conditions require verification before numerical values are assigned.", "Humans lack functional GULO, but the distribution of functional enzymes and evolutionary losses should be checked for each animal lineage." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of L-gulonolactone oxidase this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "scheme": "Enzyme Commission (EC) number", "value_or_pattern": "1.1.3.8", "note": "Identifies the catalytic activity rather than a particular organism's protein." }, { "scheme": "UniProtKB accession", "value_or_pattern": "Organism-specific protein accession", "note": "Different species have distinct protein records; there is no single accession for every instance of this enzyme." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of L-gulonolactone oxidase this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "NC-IUBMB enzyme nomenclature classifies L-gulonolactone oxidase as EC 1.1.3.8." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of L-gulonolactone oxidase this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Research on vitamin C biosynthesis and its evolutionary loss in particular animal lineages.", "Comparison of animals that synthesize vitamin C with species dependent on dietary vitamin C.", "Experimental restoration or engineering of ascorbate biosynthesis." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of L-gulonolactone oxidase this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Loss of functional enzyme prevents completion of this animal vitamin C biosynthesis pathway.", "Hydrogen peroxide is a reaction product and must be accounted for in biochemical assays and engineered systems.", "In mammalian preparations, membrane association can complicate extraction and preservation of enzyme activity." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of L-gulonolactone oxidase this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "name": "GULO gene", "difference": "The gene is a DNA sequence encoding the enzyme; the enzyme is the protein catalyst." }, { "name": "Human GULOP pseudogene", "difference": "This is a nonfunctional genomic remnant related to GULO, not an active vitamin C biosynthesis enzyme." }, { "name": "L-gulono-1,4-lactone", "difference": "This small molecule is the enzyme's substrate rather than the enzyme itself." }, { "name": "L-ascorbic acid", "difference": "Vitamin C is the resulting small-molecule product of the pathway rather than its catalyst." }, { "name": "L-galactono-1,4-lactone dehydrogenase", "difference": "This enzyme participates in plant ascorbate biosynthesis using a different lactone substrate and electron acceptor." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of L-gulonolactone oxidase this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend all proteins assigned EC 1.1.3.8 or a particular biological enzyme form, and does an existing Vercy model already cover that identity?", "Which orthologues have directly demonstrated substrate specificity, FAD attachment and membrane localization rather than inferred annotations?", "Which primary studies provide comparable kinetic and stability measurements with explicit oxygen and preparation conditions?", "What assay controls are necessary to quantify this enzyme reliably in each intended crude, microsomal or purified preparation?", "Which preparation-specific handling limits and peroxide exposures preserve sufficient activity for the intended applications?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 16, "questions": 26 } }