This family includes the DNA-binding region of NDT80 [1] as well as PhoG and its homologues. The family contains Swiss:Q05534 or VIB-1. VIB-1 is thought to be a regulator of conidiation in Neurospora crassa and shares a region of similarity to PHOG, a possible phosphate nonrepressible acid phosphatase in Aspergillus nidulans. It has been found that vib-1 is not the structural gene for nonrepressible acid phosphatase, but rather may regulate nonrepressible acid phosphatase activity [2].

1: Crystallographic studies of a novel DNA-binding domain from the yeast transcriptional activator Ndt80. Montano SP, Pierce M, Cote ML, Vershon AK, Georgiadis MM; Acta Crystallogr D Biol Crystallogr 2002;58:2127-2130. PMID:12454476

2: Identification of vib-1, a locus involved in vegetative incompatibility mediated by het-c in Neurospora crassa. Xiang Q, Glass NL; Genetics 2002;162:89-101. PMID:12242225