Basic Information

Gene Symbol
-
Assembly
GCA_949316455.1
Location
OX438771.1:7766603-7767631[-]

Transcription Factor Domain

TF Family
PAX
Domain
PAX domain
PFAM
PF00292
TF Group
Helix-turn-helix
Description
The paired domain, a ~126 amino acid DNA-binding domain, is found in eukaryotic transcription regulatory proteins involved in embryogenesis. Initially identified in Drosophila’s paired (prd) protein, it typically resides in the N-terminal region and may be followed by an octapeptide, a homeodomain, or a Pro-Ser-Thr-rich C terminus. Paired domain proteins act as transcription repressors or activators, with DNA-binding specificity mediated by three subdomains. Crystal structures reveal a bipartite DNA-binding paired domain: an N-terminal subdomain (PAI) and a C-terminal subdomain (RED), linked by a flexible linker. Both subdomains contain a helix-turn-helix motif that binds DNA's major groove, while the linker may bind the minor groove. Variations in domain usage across Pax proteins and isoforms determine sequence specificity.
Hmmscan Out
# of c-Evalue i-Evalue score bias hmm coord from hmm coord to ali coord from ali coord to env coord from env coord to acc
1 2 8.5e-08 6.2e-05 24.2 0.5 24 104 10 89 2 105 0.84
2 2 0.94 6.9e+02 1.4 0.0 75 115 79 117 75 120 0.76

Sequence Information

Coding Sequence
atgccagatctaaatgaatttcaagtggttaaagctgtcactttaattgaaaatggctaTACTTACAAAGATGTGGCCCAAACATTAAGAGTTTCGAAATCGGTGGTACATCGAGTGGTCAAGAGGTATCGTCAGACCGGCCAGTATAGCAGACGAGCAGGTCAGGGGCGAAAACGAAAAACAACAGCAAGGGACGACCGGTTCATTGTGAACAACGTGCTCAGAAACCGAATCATGACTTCTTCCGAGGTGCGTACGAAGCTGCAAGAAGTCAGACAAGTCTCAATAAGCACAAAAACGGTAAGAAGGAGACTGAATTCAGCTGGGCTGTCATCCTGGCAGGCATTGCCTGCTAGAGGCCCTCTTCTTGCCACAGGGCATAGAGTAGCTCGACTTGAATTTGCCCGATATCACGCAAATTGGGACGAGGAACACTGGAGCGAAGTCTTGTTTACCGACGAGTCAAGATTTTGCCTGATGCCAGATGACGGAAGGGTTAAAGTGTGGAGACGACCAGGAGAAAGAAGTATGCCGCGGAGAATGGAAGCAGCTCGAAGAGCTAGAGGGGGCAACACTAAATACTGA
Protein Sequence
MPDLNEFQVVKAVTLIENGYTYKDVAQTLRVSKSVVHRVVKRYRQTGQYSRRAGQGRKRKTTARDDRFIVNNVLRNRIMTSSEVRTKLQEVRQVSISTKTVRRRLNSAGLSSWQALPARGPLLATGHRVARLEFARYHANWDEEHWSEVLFTDESRFCLMPDDGRVKVWRRPGERSMPRRMEAARRARGGNTKY

Similar Transcription Factors

Sequence clustering based on sequence similarity using MMseqs2