1apl

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CRYSTAL STRUCTURE OF A MAT-ALPHA2 HOMEODOMAIN-OPERATOR COMPLEX SUGGESTS A GENERAL MODEL FOR HOMEODOMAIN-DNA INTERACTIONSCRYSTAL STRUCTURE OF A MAT-ALPHA2 HOMEODOMAIN-OPERATOR COMPLEX SUGGESTS A GENERAL MODEL FOR HOMEODOMAIN-DNA INTERACTIONS

Structural highlights

1apl is a 4 chain structure with sequence from Saccharomyces cerevisiae. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.7Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

MTAL2_YEAST Mating type proteins are sequence specific DNA-binding proteins that act as master switches in yeast differentiation by controlling gene expression in a cell type-specific fashion. Transcriptional corepressor that binds cooperatively with MCM1 to a 31-basepair DNA sequence termed the a-specific gene (asg) operator, to repress the transcription of a-cell-specific genes. Additionally, in a/alpha diploid cells, binds cooperatively with the A1 protein to a 21-basepair DNA sequence termed the haploid-specific gene (hsg) operator, to repress transcription of haploid-specific genes and of MATALPHA1.[1]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

References

  1. Johnson AD. Molecular mechanisms of cell-type determination in budding yeast. Curr Opin Genet Dev. 1995 Oct;5(5):552-8. PMID:8664541

1apl, resolution 2.70Å

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OCA