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Record W2034624275 · doi:10.1021/ed082p1805

Analyzing the 3D Structure of Human Carbonic Anhydrase II and Its Mutants Using Deep View and the Protein Data Bank

2005· article· en· W2034624275 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenueJournal of Chemical Education · 2005
Typearticle
Languageen
FieldBiochemistry, Genetics and Molecular Biology
TopicGenetics, Bioinformatics, and Biomedical Research
Canadian institutionsUniversity of Toronto
FundersUniversity of Toronto
KeywordsProtein Data BankCarbonic anhydraseRamachandran plotMutantSoftwareChemistryComputer scienceHomology modelingBiomoleculeDomain (mathematical analysis)Carbonic anhydrase IIProtein structureBiochemistryComputational biologyEnzymeBiologyMathematics

Abstract

fetched live from OpenAlex

A lab was designed to teach biological chemistry students to critically analyze the 3D structure of a protein. The enzyme studied was human carbonic anhydrase (II) and students also examined mutants and protein bound to a variety of ligands, metals, and inhibitors. The coordinate files for each protein are downloaded by the students from the Protein Data Bank. The structure is viewed and manipulated with the public-domain molecular-viewing software Deep View. Students learn how to interpret Ramachandran plots, study familial homology, make virtual mutations, compare structures, analyze structural details, and produce stunning 3D images. The lab runs on personal computers with Internet access and requires minimal to no supervision. This lab can be used as an independent project or as part of a more comprehensive set of experiments, and it can be adapted to the study of other biomolecules.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.024
Threshold uncertainty score0.169

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.020
GPT teacher head0.328
Teacher spread0.307 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it