Pho4是一種在釀酒酵母S. cerevisiae)中發現的鹼性螺旋-環-螺旋(bHLH)轉錄因子,在其它酵母中也有發現[2]

Pho4
Crystallographic structure of yeast Pho4 homodimer (cyan and green) complexed with DNA (brown).[1]
標識
生物 ?
符號 Pho4
可選符號 YFR034C
Entrez 850594
PDB 1a0a
UniProt P07270
其他數據

Pho4蛋白形成同源二聚體後進入細胞核結合DNA,其識別位點為:5'-CACGTG-3'[3],這一序列常出現在Pho5磷酸酶基因啟動子區域[4]

參考文獻

編輯
  1. ^ PDB 1a0a; Shimizu T, Toumoto A, Ihara K, Shimizu M, Kyogoku Y, Ogawa N, Oshima Y, Hakoshima T. Crystal structure of PHO4 bHLH domain-DNA complex: flanking base recognition. EMBO J. August 1997, 16 (15): 4689–97. PMC 1170095 . PMID 9303313. doi:10.1093/emboj/16.15.4689. 
  2. ^ Berben G, Legrain M, Gilliquet V, Hilger F. The yeast regulatory gene PHO4 encodes a helix-loop-helix motif. Yeast. 1990, 6 (5): 451–4. PMID 2220078. doi:10.1002/yea.320060510. 
  3. ^ Shao D, Creasy CL, Bergman LW. A cysteine residue in helixII of the bHLH domain is essential for homodimerization of the yeast transcription factor Pho4p. Nucleic Acids Res. February 1998, 26 (3): 710–4. PMC 147311 . PMID 9443961. doi:10.1093/nar/26.3.710. 
  4. ^ Ogawa N, Oshima Y. Functional domains of a positive regulatory protein, PHO4, for transcriptional control of the phosphatase regulon in Saccharomyces cerevisiae. Mol. Cell. Biol. May 1990, 10 (5): 2224–36. PMC 360570 . PMID 2183025. doi:10.1128/mcb.10.5.2224. 

外部連結

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