Evidence map›Paper›PMID 37903872›Full record

ArticleScientific reports2023

Tailoring FPOX enzymes for enhanced stability and expanded substrate recognition.

Hajar Estiri, Shapla Bhattacharya, Jhon Alexander Rodriguez Buitrago, Rossella Castagna, Linda Legzdiņa, Giorgia Casucci, Andrea Ricci, Emilio Parisini, Alfonso Gautieri

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
0.2field-weighted citation impact, top 58% 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

1 citing paper in PubMed, 2 citations in OpenAlex.

  1. Article
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

9 authors at 3 institutions in 2 countries.

Hajar Estiri *Department of Biotechnology, Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga, 1006, Latvia.
Shapla Bhattacharya *Department of Biotechnology, Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga, 1006, Latvia.
Jhon Alexander Rodriguez BuitragoDepartment of Biotechnology, Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga, 1006, Latvia.
Rossella CastagnaDepartment of Biotechnology, Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga, 1006, Latvia.
Linda LegzdiņaDepartment of Biotechnology, Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga, 1006, Latvia.
Giorgia CasucciDepartment of Biotechnology, Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga, 1006, Latvia.
Andrea RicciBiomolecular Engineering Lab, Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133, Milano, Italy.
Emilio ParisiniDepartment of Biotechnology, Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga, 1006, Latvia. emilio.parisini@osi.lv.
Alfonso GautieriBiomolecular Engineering Lab, Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133, Milano, Italy. alfonso.gautieri@polimi.it.
Latvijas Organiskās Sintēzes Institūts · LVPolitecnico di Milano · ITRiga Technical University · LV

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Fructosyl peptide oxidases (FPOX) are deglycating enzymes that find application as key enzymatic components in diabetes monitoring devices. Indeed, their use with blood samples can provide a measurement of the concentration of glycated hemoglobin and glycated albumin, two well-known diabetes markers. However, the FPOX currently employed in enzymatic assays cannot directly detect whole glycated proteins, making it necessary to perform a preliminary proteolytic treatment of the target protein to generate small glycated peptides that can act as viable substrates for the enzyme. This is a costly and time consuming step. In this work, we used an in silico protein engineering approach to enhance the overall thermal stability of the enzyme and to improve its catalytic activity toward large substrates. The final design shows a marked improvement in thermal stability relative to the wild type enzyme, a distinct widening of its access tunnel and significant enzymatic activity towards a range of glycated substrates.

Indexed as

Diabetes MellitusPeptidesHumansPeptide HydrolasesProtein EngineeringSerum AlbuminPeptide HydrolasesPeptidesSerum Albumin

Identifiers

PMID37903872
PMCPMC10616090
OpenAlexW4388023662

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.