| Primary Identifier | IPR042013 | Type | Domain |
| Short Name | PHF7/G2E3_ePHD |
| description | This entry represents the ePHD domain found in PHF7 and G2E3.PHF7 (also known as NYD-SP6) is a testis-specific plant homeodomain (PHD) finger-containing protein that associates with chromatin and binds histone H3 N-terminal tails with a preference for dimethyl lysine 4 (H3K4me2). It may play an important role in stimulating transcription involved in testicular development and/or spermatogenesis. PHF7 contains a canonical Cys4HisCys3 PHD finger and a non-canonical extended PHD (ePHD) finger, Cys2HisCys5HisCys2His, both of which may be involved in activating transcriptional regulation [, , ]. G2E3 is a dual function ubiquitin ligase (E3) that may play a role in cell cycle regulation and the cellular response to DNA damage. It is essential for prevention of apoptosis in early embryogenesis. It is also a nucleo-cytoplasmic shuttling protein with DNA damage responsive localization. G2E3 contains two distinct RING-like ubiquitin ligase domains that catalyze lysine 48-linked polyubiquitination, and a C-terminal catalytic HECT domain that plays an important role in ubiquitin ligase activity and in the dynamic subcellular localization of the protein. The RING-like ubiquitin ligase domains consist of a PHD finger and an ePHD finger [, ]. |
