Evidence map›Paper›PMID 12482977›Full record

ArticleMolecular and cellular biology2003

LXXLL-related motifs in Dax-1 have target specificity for the orphan nuclear receptors Ad4BP/SF-1 and LRH-1.

Taiga Suzuki, Megumi Kasahara, Hidefumi Yoshioka, Ken-Ichirou Morohashi, Kazuhiko Umesono

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Article in Molecular and cellular biology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.

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43citing papers in PubMed
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1 · What the graph read from it

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3 · Its place in the literature

Who cites it

43 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Taiga SuzukiDepartment of Developmental Biology, National Institute for Basic Biology, Okazaki 444-8585, Japan.
Megumi Kasahara
Hidefumi Yoshioka
Ken-Ichirou Morohashi
Kazuhiko Umesono

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The orphan receptor Ad4BP/SF-1 (NR5A1) is a constitutive activator, and its activity is repressed by another orphan receptor, Dax-1 (NR0B1). In the present study, we investigated the molecular mechanisms underlying this repression by Dax-1. Yeast two-hybrid and transient-transfection assays confirmed the necessity of three LXXLL-related motifs in Dax-1 for interaction with and repression of Ad4BP/SF-1. In vitro pull-down experiments confirmed that Dax-1 interacts with Ad4BP/SF-1 and also with LRH-1 (NR5A2). The target specificity of the LXXLL-related motifs was indicated by the observations that Ad4BP/SF-1, ERalpha (NR3A1), LRH-1, ERR2 (NR3B2), and fly FTZ-F1 (NR5A3) interacted through their ligand binding domains with all the LXXLL-related motifs in Dax-1 whereas HNF4 (NR2A1) and RORalpha (NR1F1) did not. Transcriptional activities of the receptors whose DNA binding domains (DBDs) were replaced by the GAL4 DBD were repressed by Dax-1 to various levels, which correlated with the strength of interaction. Amino acid substitutions revealed that Ad4BP/SF-1 and LRH-1 preferentially interact with L(+1)XXLL-related motifs containing serine, tyrosine, serine, and threonine at positions -2, +2, +3, and +6, respectively. Taken together, our results indicate that the specificities of LXXLL-related motifs in Dax-1 based on their amino acid sequences play an important role in regulation of orphan receptors.

Indexed as

Amino Acid MotifsAmino Acid SequenceAmino Acid SubstitutionAnimalsBinding SitesCells, CulturedDAX-1 Orphan Nuclear ReceptorDNA-Binding ProteinsEstrogen Receptor alphaFushi Tarazu Transcription FactorsHomeodomain ProteinsMiceMolecular Sequence DataReceptors, Cytoplasmic and NuclearReceptors, EstrogenReceptors, Retinoic AcidDAX-1 Orphan Nuclear ReceptorDNA-Binding ProteinsEsrrb protein, mouseEstrogen Receptor alphaFushi Tarazu Transcription FactorsHomeodomain ProteinsNr0b1 protein, mouseNr5a2 protein, mouseReceptors, Cytoplasmic and NuclearReceptors, EstrogenReceptors, Retinoic AcidReceptors, Thyroid HormoneRecombinant ProteinsRepressor ProteinsSerineSteroidogenic Factor 1ThreonineTranscription Factors

Identifiers

PMID12482977
PMCPMC140654

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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.