Evidence map›Paper›PMID 9358175›Full record

ArticleNucleic acids research1997

Statistical modeling and analysis of the LAGLIDADG family of site-specific endonucleases and identification of an intein that encodes a site-specific endonuclease of the HNH family.

J Z Dalgaard, A J Klar, M J Moser, W R Holley, A Chatterjee, I S Mian

Open access · bronzeAbstract read
In one paragraph

Article in Nucleic acids research, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 76 papers.

0numbers the graph read from it
0cells of the map it votes in
76citing papers in PubMed
10.3field-weighted citation impact, top 1% 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

76 citing papers in PubMed, 188 citations in OpenAlex.

  1. Article
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  16. Control of catalytic efficiency by a coevolving network of catalytic and noncatalytic residues.Proceedings of the National Academy of Sciences of the United States of America · 2014
    Article
  17. Homing endonucleases: from genetic anomalies to programmable genomic clippers.Methods in molecular biology (Clifton, N.J.) · 2014
    Review
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  19. Article
  20. Article

16 more citing papers are in PubMed but not listed here.

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

6 authors at 1 institution in 1 country.

J Z DalgaardNCI-Frederick Cancer Research and Development Center, ABL-Basic Research Program, PO Box B, Building 549, Room 154, Frederick, MD 21702-1202, USA. dalgaard@ncifcrf.gov
A J Klar
M J Moser
W R Holley
A Chatterjee
I S Mian
Cancer Research Center · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The LAGLIDADG and HNH families of site-specific DNA endonucleases encoded by viruses, bacteriophages as well as archaeal, eucaryotic nuclear and organellar genomes are characterized by the sequence motifs 'LAGLIDADG' and 'HNH', respectively. These endonucleases have been shown to occur in different environments: LAGLIDADG endonucleases are found in inteins, archaeal and group I introns and as free standing open reading frames (ORFs); HNH endonucleases occur in group I and group II introns and as ORFs. Here, statistical models (hidden Markov models, HMMs) that encompass both the conserved motifs and more variable regions of these families have been created and employed to characterize known and potential new family members. A number of new, putative LAGLIDADG and HNH endonucleases have been identified including an intein-encoded HNH sequence. Analysis of an HMM-generated multiple alignment of 130 LAGLIDADG family members and the three-dimensional structure of the I- Cre I endonuclease has enabled definition of the core elements of the repeated domain (approximately 90 residues) that is present in this family of proteins. A conserved negatively charged residue is proposed to be involved in catalysis. Phylogenetic analysis of the two families indicates a lack of exchange of endonucleases between different mobile elements (environments) and between hosts from different phylogenetic kingdoms. However, there does appear to have been considerable exchange of endonuclease domains amongst elements of the same type. Such events are suggested to be important for the formation of elements of new specficity.

Indexed as

Models, StatisticalAmino Acid SequenceComputer SimulationDNA Restriction EnzymesModels, MolecularMolecular Sequence DataPhylogenyProtein ConformationSequence AlignmentDNA Restriction Enzymes

Identifiers

PMID9358175
PMCPMC147097
OpenAlexW2146128476

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.