Information report for 32448
Gene Details
Functional Annotation
- Refseq: XP_001418599.1 — predicted protein
- TrEMBL: A4RZN2 — A4RZN2_OSTLU; Uncharacterized protein
- STRING: ABO96892 — (Ostreococcus ’lucimarinus')
- 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
- Actinidia chinensis: Achn229321
- Daucus carota: DCAR_022457
- Malus domestica: MDP0000239026, MDP0000249561
- Manihot esculenta: Manes.12G117300.1.p
- Pyrus bretschneideri: Pbr040479.1
- Setaria viridis: Sevir.3G396500.1.p
- Triticum aestivum: Traes_6AS_F1CEB89EE.2
Sequences
CDS Sequence:
- >32448|Ostreococcus_lucimarinus|bZIP|32448
ATGAACTGCCAATCCAATTCTGATGATACCACCCTAGAGATGGAACTTCCGGGCTTTCGATTCCATCCAACAGAGGAAGAACTCCTTGGTTTTTACCTCAAAAACATGATTTACGGCAACAAGTTGCGTGATGATGTAATTGGATTTCTCAACATTTATCACCATGATCCCTCTGATTTGCCTGGATTGTCGAAGATTGGGGGGAGGGAATGGTATTTCTTTGTGCCTAGAGATAGGAAGCATGGCAATGGAGGGAGACCAAACCGGACGACTGAAAATGGGTACTGGAAAGCCACTGGTTCTGACCGGAAAATTGTGAGCTTATCAGATCCAAAGCGGATAACTGGCCTGAAAAAGACTCTTGTTTTCTATAAAGGGAGAGCTCCACGAGGAAACAAGACTGATTGGGTCATGAACGAGTATCGCCTCCCAGATGGTTGCTCCTTGCCTAAGGACATAGTTTTGTGCAAGATATACAGGAAAGCTACCTCCTTGAAAGTACTGGAGCAAAGAGCAGCATTGGAGGAAGAGTTGAAGGCAACGAACACAACAACTTCATCTCCATTGTCATCCTTACAGACCATCTCCTTTTGCAACCCAAAAGAAGATTTGGTGCCATCAATTTCTGAAACCAGAGAATTCTTCAAGAAAGAAATTGAAGAAGAAAAAGAACTGGTGGAAGAGAAAAAAGATAGAATAGCAAAGGAGAACAAAGTTTCTCCACCATCTCTGCATTTTCCTGTAGGCAATGAAAAATTGGCAGAGCTTCAATTGCCCAAAATTATAAATGACTGGACCCAGGATCAATTCTGGACTCAGCTAAATAGCCCTTGGTTTCAGAATCTGACACCATATGCAAACATCCTGAATTTCTAA ATGGACCGCGTGCCGAGCGCGGACGACCTCATGGCGACGTTTCTGTGGAACGCGCAGCGCGCGAGCGCGGGGACGCCGTCGAACGGGACGTCCGGCGCCGCGGCGCACGGCGCGCGCGGCGTGAACCGCACGCCGTCGCAGCACGAGATGGAGAGTTATTACAACGCCATGATGGCGAGCGCGGCGCACGGCGCGCACGCGGGATTCGGGGCGTACGGGGCGCTGGATGGATCGATCGCGCACGCGCGAGACGCCGCGGGGGGCGCGGGGAGCGCGCCGGGAAGTCGAGAGGGCACGCCGGGAATCCCGCGGGTGGCGTCGATCGACGTGCTGCGGAAGATGATCATGAGCGGGGGGCTGGGGGGGGGCGGAGGACCGGGAGGAGCGTCGCCGGGGTCGGCGACGCCGACGACGGCGGCGGCGTTTTCGGCGTTCGCGAGCGGGGCGAATTTGGACGCGCTCGGCGCGGCGGTGGCGATGGAACAGAGCAAGGCCGACGATGAGGGGAAGAAAACGACGACGACGAGGTCCGGGGCGAAGCGCTCGGGGAGGAAACCCGCGGCGAAGGCGCCGGCGGCGAAGAAGGCGAAGGCGCCGCCGGCGAAGAAGGCGGCGGCGGCGACGACGACGCGCGGAGGAAAAGCGGCGAAGGACGCCGTGGCGTCGCCAGCAAAGGCGGCGGCGAAGGCGCCCGCGGCGAAGGCGCCCGCGGCGAAGGCGAAGGCGGTGGCGGCGAAGAGCGAGCCGTTGTCTTCGGACTTGGATCACGATAGCGACGGCGACTCTCGCGATGGCGACGGCAACGGCGACATGCGACGCCGACGCCGAATGTTGAGCAACAGAGAGAGCGCCAGGCGCAGTCGGCGACGCAAGATTGAACACGTGGCCACGCTCGAAGGGCAAATCGCTCAGTTGACGGCTGAGTTGACGGCGGCGTTGCAACACACGCAAGGCGTGGAGCAGCGCTACCAGGCGCTCGTGCGAGAAAACCACACCATTCGCGCCGAGAAGGATAGACTTTTACAACTTCTCCGCGAGGCCGGTCCTCCGGGAGGTGGGGTGACGACGCCCAAGACGGGTTCCGCCATGGAGCGCAAATCTAGTTTACAGCGAATCTCGAGCAACGGAGACATCAAGGGCGAGCTCGGCAAGGGGTCGCCGACCATCGGTTTGGGCACGGGCTTCGTGCCGTTCCGATCGTTACAGAGTTACGAAAACCTGCTCTTGCTCCAACAGAAGTCCGAGAAGCAGTGA
Protein Sequence:
- >32448|Ostreococcus_lucimarinus|bZIP|32448
MDRVPSADDLMATFLWNAQRASAGTPSNGTSGAAAHGARGVNRTPSQHEMESYYNAMMASAAHGAHAGFGAYGALDGSIAHARDAAGGAGSAPGSREGTPGIPRVASIDVLRKMIMSGGLGGGGGPGGASPGSATPTTAAAFSAFASGANLDALGAAVAMEQSKADDEGKKTTTTRSGAKRSGRKPAAKAPAAKKAKAPPAKKAAAATTTRGGKAAKDAVASPAKAAAKAPAAKAPAAKAKAVAAKSEPLSSDLDHDSDGDSRDGDGNGDMRRRRRMLSNRESARRSRRRKIEHVATLEGQIAQLTAELTAALQHTQGVEQRYQALVRENHTIRAEKDRLLQLLREAGPPGGGVTTPKTGSAMERKSSLQRISSNGDIKGELGKGSPTIGLGTGFVPFRSLQSYENLLLLQQKSEKQ*