Transcriptional activator. Binds a GC box motif. Could play a role in B-cell growth and development (By similarity). Interacts with ZZEF1. Highly expressed in placenta. Expression is lower in total embryos and in adult tissues. The acidic N-terminal part may favor interaction with the basic domain of transcription factors. The 9aaTAD motif is a transactivation domain present in a large number of yeast and animal transcription factors. In KLF6, the motif is inactive. Belongs to the krueppel C2H2-type zinc-finger protein family.