Evidence map›Paper›PMID 3058118›Full record

ArticleThe Biochemical journal1988

Identification of the aspartic proteinases from human erythrocyte membranes and gastric mucosa (slow-moving proteinase) as catalytically equivalent to cathepsin E.

R A Jupp, A D Richards, J Kay, B M Dunn, J B Wyckoff, I M Samloff, K Yamamoto

Open access · bronzeAbstract read
In one paragraph

Article in The Biochemical journal, 1988. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
3.4field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

11 citing papers in PubMed, 60 citations in OpenAlex.

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  10. High molecular mass intracellular proteases.The Biochemical journal · 1989
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 1 institution in 1 country.

R A JuppDepartment of Biochemistry, University College, Cardiff, Wales, U.K.
A D Richards
J Kay
B M Dunn
J B Wyckoff
I M Samloff
K Yamamoto
Nagasaki University · JP

Funding

Wellcome Trust
6 · The paper itself

Abstract

Three aspartic proteinases with similar Mr values (approx. 80,000) but from distinct sources (human gastric mucosa, human erythrocyte membranes and rat spleen) were shown to have immunological cross-reactivity and comparable mobilities when subjected to polyacrylamide-gel electrophoresis under non-denaturing conditions. Kinetic parameters (kcat, Km and Ki) were determined for the interactions of the three enzymes with two synthetic chromogenic substrates and five inhibitors (naturally occurring and synthetic). On this basis it would appear that all of the enzymes should be considered equivalent to cathepsin E. pH-activity measurements indicated that the aspartic proteinase that originated from the erythrocyte membranes retained activity at a higher pH value than either of its readily soluble counterparts.

Indexed as

AnimalsAspartic Acid EndopeptidasesCathepsin ECathepsinsElectrophoresis, Polyacrylamide GelEndopeptidasesErythrocyte MembraneGastric MucosaHumansHydrolysisOligopeptidesOxidation-ReductionProtease InhibitorsRatsAspartic Acid EndopeptidasesCathepsin ECathepsinsEndopeptidaseslysyl-prolyl-isoleucyl-glutamyl-phenylalanyl-4-nitrophenylalanyl-arginyl-leucineOligopeptidesProtease Inhibitors

Identifiers

PMID3058118
PMCPMC1135167
OpenAlexW1773450983

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.