Evidence map›Paper›PMID 22037495›Full record

ReviewBiochimica et biophysica acta2012

Structural organization of intercellular channels II. Amino terminal domain of the connexins: sequence, functional roles, and structure.

Eric C Beyer, Gregory M Lipkind, John W Kyle, Viviana M Berthoud

Open access · greenAbstract readReview
In one paragraph

Review in Biochimica et biophysica acta, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
1.5field-weighted citation impact, top 18% 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

17 citing papers in PubMed, 30 citations in OpenAlex.

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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

4 authors at 1 institution in 1 country.

Eric C BeyerDepartment of Pediatrics, University of Chicago, Chicago, IL 60637, USA. ecbeyer@uchicago.edu
Gregory M Lipkind
John W Kyle
Viviana M Berthoud
University of Chicago · US

Funding

BIOLOGY OF LENS INTERCELLULAR COMMUNICATIONR01EY008368 · NEI · WASHINGTON UNIVERSITY · PI BEYER, ERIC C · 1995 to 2018
$7.1M
CONNEXONS IN CARDIOVASCULAR CELL COMMUNICATIONR01HL059199 · NHLBI · UNIVERSITY OF CHICAGO · PI BEYER, ERIC C · 1998 to 2013
$3.9M
BIOLOGY OF LENS INTERCELLULAR COMMUNICATIONR29EY008368 · NEI · WASHINGTON UNIVERSITY · PI BEYER, ERIC C · 1990 to 1994
–
NEI NIH HHS EY08368NEI NIH HHS R01 EY008368NHLBI NIH HHS HL59199NHLBI NIH HHS R01 HL059199
6 · The paper itself

Abstract

The amino terminal domain (NT) of the connexins consists of their first 22-23 amino acids. Site-directed mutagenesis studies have demonstrated that NT amino acids are determinants of gap junction channel properties including unitary conductance, permeability/selectivity, and gating in response to transjunctional voltage. The importance of this region has also been emphasized by the identification of multiple disease-associated connexin mutants affecting amino acid residues in the NT region. The first part of the NT is α-helical. The structure of the Cx26 gap junction channel shows that the NT α-helix localizes within the channel, and lines the wall of the pore. Interactions of the amino acid residues in the NT with those in the transmembrane helices may be critical for holding the channel open. The predicted sites of these interactions and the applicability of the Cx26 structure to the NT of other connexins are considered. This article is part of a Special Issue entitled: The Communicating junctions, composition, structure and characteristics.

Indexed as

Amino AcidsAmino Acid SequenceAnimalsBinding SitesConnexin 26ConnexinsCytoplasmGap JunctionsHumansHydrogen BondingModels, MolecularMolecular ConformationMolecular Sequence DataMutationPermeabilityProtein ConformationAmino AcidsConnexin 26ConnexinsGJB2 protein, human

Identifiers

PMID22037495
PMCPMC3298602
OpenAlexW2148570836

What OpenQuestion holds

Textmetadata
LicenceTDM
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.