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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

The human testis determining factor SRY binds a nuclear factor containing PDZ protein interaction domains.

The human Y-linked testis determining gene SRY encodes a protein with a DNA binding domain from the high mobility group box family. To date, no function has been assigned to amino acid sequences located outside this DNA binding motif. Here, we identify in a yeast two-hybrid screen a PDZ protein termed SIP-1, as an interacting protein with human SRY. In vitro, biochemical analysis, immunoprecipitation experiments, as well as expression of SIP-1 in human embryonic testis confirm that the two proteins can interact together. Interacting domains were mapped to the C-terminal seven amino acids of SRY and to the PDZ domains of SIP-1, respectively. We hypothesize that SIP-1 could connect SRY to other transcription factors providing SRY for its missing trans-regulation domain.[1]

References

  1. The human testis determining factor SRY binds a nuclear factor containing PDZ protein interaction domains. Poulat, F., Barbara, P.S., Desclozeaux, M., Soullier, S., Moniot, B., Bonneaud, N., Boizet, B., Berta, P. J. Biol. Chem. (1997) [Pubmed]
 
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