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Record W2059158607 · doi:10.1124/mi.2.6.352

Phospholipase C- 1: A Phospholipase and Guanine Nucleotide Exchange Factor

2002· review· en· W2059158607 on OpenAlexaff
Z. Wang

Bibliographic record

VenueMolecular Interventions · 2002
Typereview
Languageen
FieldBiochemistry, Genetics and Molecular Biology
TopicProtein Kinase Regulation and GTPase Signaling
Canadian institutionsUniversity of Alberta
Fundersnot available
KeywordsGuanine nucleotide exchange factorPhospholipase CPhospholipasePikeGTPasePhosphatidylinositolPhosphoinositide phospholipase CNucleotideChemistryCell biologyBiochemistryEnzymeBiologySignal transduction

Abstract

fetched live from OpenAlex

Although phospholipase C-gamma (PLC-gamma) participates in cellular mitogenesis, evidence indicates that the catalytic activity of PLC-gamma (to hydrolyze certain phosphoinositides) is nonessential to the process. So how is it that PLC-gamma is necessary but its lipase activity is not? Recently published results from Snyder and colleagues describe the ability of PLC-gamma to facilitate guanine nucleotide exchange for the recently identified nucleus-localized GTPase PIKE, which acts to enhance the enzymatic activity of phosphatidylinositol 3'-kinase (PI3K). The authors contend that the SH3 domain, rather than the catalytic domain, of PLC-gamma is required for aiding PIKE, and furthermore, that the mitogenic activity of PLC-gamma depends not on its phospholipase activity, but rather on its interaction with PIKE. Wang and Moran examine the results and piece together a picture of how PLC-gamma cooperates with PIKE.

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.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Review · Consensus signal: Review
Teacher disagreement score0.004
Threshold uncertainty score0.014

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0010.002
Science and technology studies0.0000.001
Scholarly communication0.0010.002
Open science0.0010.000
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0040.007

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 head0.057
GPT teacher head0.334
Teacher spread0.277 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designNot applicable
Domainnot available
GenreReview

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations13
Published2002
Admission routes1
Has abstractyes

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