bZIP domain
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| bZIP transcription factor | |||||||||
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CREB (top) is a transcription factor capable of binding DNA via the bZIP domain (bottom) and regulating gene expression.
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| Identifiers | |||||||||
| Symbol | bZIP_1 | ||||||||
| Pfam | PF00170 | ||||||||
| InterPro | IPR011616 | ||||||||
| PROSITE | PDOC00036 | ||||||||
| SCOP | 1ysa | ||||||||
| SUPERFAMILY | 1ysa | ||||||||
| CDD | cd14686 | ||||||||
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The Basic Leucine Zipper Domain (bZIP domain) is found in many DNA binding eukaryotic proteins. One part of the domain contains a region that mediates sequence specific DNA binding properties and the leucine zipper that is required to hold together (dimerize) two DNA binding regions. The DNA binding region comprises a number of basic amino acids such as arginine and lysine. Proteins containing this domain are transcription factors.[1][2]
Contents
bZIP transcription factors
bZIP transcription factors are found in all organisms. A recent evolutionary study revealed that 4 bZIP genes were encoded by the genome of the most recent common ancestor of all plants.[3] Interactions between bZIP transcription factors play important roles in cancer development[4] in epithelial tissues, steroid hormone synthesis by cells of endocrine tissues,[5] factors affecting reproductive functions,[6] and several other phenomena that affect human health.
bZIP domain containing proteins
- AP-1 fos/jun heterodimer that forms a transcription factor
- Jun-B transcription factor
- CREB cAMP response element transcription factor
- OPAQUE2 (O2) transcription factor of the 22-kD zein gene that encodes a class of storage proteins in the endosperm of maize (Zea Mays) kernels
- NFE2L2 or Nrf2
- Bzip Maf transcription factors
Human proteins containing this domain
ATF1; ATF2; ATF4; ATF5; ATF6; ATF7; BACH1; BACH2; BATF; BATF2; CREB1; CREB3; CREB3L1; CREB3L2; CREB3L3; CREB3L4; CREB5; CREBL1; CREM; E4BP4; FOSL1; FOSL2; JUN; JUNB; JUND; MAFA; MAFB; NFE2; NFE2L2; NFE2L3; SNFT; XBP1
External links
- bZIP domain entry in the SMART database
- bZIP family at PlantTFDB: Plant Transcription Factor Database
- Plant bZIP transcription factors
References
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