Information report for AA4G00251
Gene Details
Functional Annotation
- Refseq: XP_002864946.1 — transcription factor TGA1
- Refseq: XP_020868708.1 — transcription factor TGA1
- Swissprot: Q39237 — TGA1_ARATH; Transcription factor TGA1
- TrEMBL: D7MT94 — D7MT94_ARALL; Predicted protein
- STRING: Al_scaffold_0008_3070 — (Arabidopsis lyrata)
- GO:0006355 — Biological Process — regulation of transcription, DNA-templated
- GO:0003700 — Molecular Function — transcription factor activity, sequence-specific DNA binding
- GO:0043565 — Molecular Function — sequence-specific DNA binding
Family Introduction
- The bZIP domain consists of two structural features located on a contiguous alpha-helix: first, a basic region of ~ 16 amino acid residues containing a nuclear localization signal followed by an invariant N-x7-R/K motif that contacts the DNA; and, second, a heptad repeat of leucines or other bulky hydrophobic amino acids positioned exactly nine amino acids towards the C-terminus, creating an amphipathic helix. To bind DNA, two subunits adhere via interactions between the hydrophobic sides of their helices, which creates a superimposing coiled-coil structure. The ability to form homo- and heterodimers is influenced by the electrostatic attraction and repulsion of polar residues flanking the hydrophobic interaction surface of the helices.
- Plant bZIP proteins preferentially bind to DNA sequences with an ACGT core. Binding specificity is regulated by flanking nucleotides. Plant bZIPs preferentially bind to the A-box (TACGTA), C-box (GACGTC) and G-box (CACGTG), but there are also examples of nonpalindromic binding sites.
Literature and News
Gene Resources
Homologs
- Arabidopsis thaliana: AT5G65210.5, AT5G65210.4, AT5G65210.3, AT5G65210.2, AT5G65210.1
- Brassica napus: GSBRNA2T00000768001, GSBRNA2T00055814001, GSBRNA2T00079287001, GSBRNA2T00064753001
- Brassica oleracea: XP_013621866.1, XP_013621865.1, XP_013621864.1
- Brassica rapa: XP_009150604.1, XP_009150603.1, XP_009130501.1, XP_009130500.1
Sequences
CDS Sequence:
- >AA4G00251|Aethionema_arabicum|bZIP|AA4G00251
ATGAATTCGACATCAACACAGTTCGTGGCGCCTCGAAGTGTTGGAATATATGAACCTATGCATCAGTTTGTTATGTGGGGAGATAGTTTCAAAGGAAATGGGAACATGAACATGAACTCATCAAATCACTTTATACTACAAACAAATCAGAAACTAGACAATTTGTCAGAAGATACTTCCCATGGAACAACAGGAACTCATATTTTTGAGCAAGAAGCTTCCACACCTAGAAATCCAGATAAGATACAAAGAAGACTTGCGCAGAACCGTGAGGCTGCAAGGAAAAGCCGATTGCGTAAGAAAGCTTATGTTCAACAACTTGAAACAAGTAGATTGAAGTTAATCCAATTAGAGCAAGAACTTGACCGTGCTCGTCAACAAGGATTCTATGCAGGAAATGGAATAGAGTCCAGCTCTGTTGGATTCTCAGAAACCATGAATCCAGGGATTGCTGCATTTGAGATGGAATATGGACAATGGGTTGAAGAACAAAACAGACAAATATGTGAACTAAGAACAGTTTTACATGGACATATCAATGATATCGAGCTTCGTCTACTTGTCGACAATGCAATGAAGCATTACTTTGATCTTTTTCGGATGAAATCAACCGCTGCAAAAGCAGATGTTTTCTTTGTTATGTCAGGAATGTGGAAAACTTCTGCTGAACGGTTTTTCTTATGGATTGGTGGATTTAGACCCTCAGATCTTCTCAAAGTTCTTTTGCCACATTTTGATCCTATAACTGATCAACAACTACTAGATGTATGTAATCTAAGACAATCATGTCAACAAGCTGAAGATGCGTTATCTCAAGGTATGGATAAGTTGCAGTATACACTTGCCGAAAGTGTAGCAGCTGGACAACTTGGAGATGGTAACTATATACCTCAAATGGCGTCTGCAATGGAGAGATTAGAGGCTTTGGTTAGTTTTGTCAATCAGGCTGATCACTTGAGACATGAGACATTACAACAAATGTATAGGATCTTAACCACGCGACAAGCAGCTAGGGGATTACTCGCTCTGGGCGAGTACTTTGAGCGGTTACGAGCGTTGAGTTCGAGCTGGGCGACTCGACATCGAGTCAAGGAAAGTTATTCATGCTCCATCTCAAGAAATCGGCGAGGAACGAGTTCAAATCGAGTGAGTTTCGCTGAATCGCATACTTGTAAGCTTGCTTCTCATGGCTTGTGCTCCGATTTGCTCTTCGACAATGCAATGAAGCATTACTTTGAACTTTTTAAGATGAAATCAACCGCTGCAAAAGCAGATGTTTTCTTTGTTATGTCAGGGATGTGGAAATCTTCAGCTGAACGGTTTTTCTTGTGGATTGGTGGATATAGACCCTCCGATCTTATCAAGGTTCTTTTGCCACATTTGGATCCTTTAAATGATCAACAACTACTAGATGTATGCAATCTAAGAGAATCATGCCAACAAGCTGAAGATACGTTATCTCATGGTATGGATAAGTTGCAGTACACACTTGCGGAAAACATAGCAGCTGAAGAACTTGGAGAAGGTAACTACACTCCTCAAGTGACATCTGTAATGGAGAGATTCGAGGTTTTGGTCAGTTTTGTGAATCAGGCTGATCACTTGAGACATGAGACATTACAACAAATGTATAGGATCTTAACCACGCGACAAGCGGCTAGGGGATTACTTGCACTCGGTGAGTATTTTCAACGGTTAAGATCAGTGAGTTCGAGCTGGGAGACTCGACACTGTGGACCAACT
Protein Sequence:
- >AA4G00251|Aethionema_arabicum|bZIP|AA4G00251
MNSTSTQFVAPRSVGIYEPMHQFVMWGDSFKGNGNMNMNSSNHFILQTNQKLDNLSEDTSHGTTGTHIFEQEASTPRNPDKIQRRLAQNREAARKSRLRKKAYVQQLETSRLKLIQLEQELDRARQQGFYAGNGIESSSVGFSETMNPGIAAFEMEYGQWVEEQNRQICELRTVLHGHINDIELRLLVDNAMKHYFDLFRMKSTAAKADVFFVMSGMWKTSAERFFLWIGGFRPSDLLKVLLPHFDPITDQQLLDVCNLRQSCQQAEDALSQGMDKLQYTLAESVAAGQLGDGNYIPQMASAMERLEALVSFVNQADHLRHETLQQMYRILTTRQAARGLLALGEYFERLRALSSSWATRHRVKESYSCSISRNRRGTSSNRVSFAESHTCKLASHGLCSDLLFDNAMKHYFELFKMKSTAAKADVFFVMSGMWKSSAERFFLWIGGYRPSDLIKVLLPHLDPLNDQQLLDVCNLRESCQQAEDTLSHGMDKLQYTLAENIAAEELGEGNYTPQVTSVMERFEVLVSFVNQADHLRHETLQQMYRILTTRQAARGLLALGEYFQRLRSVSSSWETRHCGPT