Information report for PH01001517G0230
Gene Details
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Functional Annotation
- Refseq: XP_003578746.1 — transcription factor HBP-1a
- Swissprot: B6E107 — BZP1B_WHEAT; bZIP transcription factor 1-B
- TrEMBL: I1ITE8 — I1ITE8_BRADI; Uncharacterized protein
- STRING: BRADI4G39630.1 — (Brachypodium distachyon)
- GO:0006355 — Biological Process — regulation of transcription, DNA-templated
- GO:0005634 — Cellular Component — nucleus
- 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
- Brachypodium distachyon: Bradi4g39630.1.p
- Oryza sativa: OsZIP-1a;OsbZIP86
- Panicum virgatum: Pavir.3NG057200.1.p, Pavir.3KG070200.1.p
- Setaria italica: Seita.3G090500.3.p, Seita.3G090500.2.p, Seita.3G090500.1.p
- Setaria viridis: Sevir.3G092500.1.p
- Triticum aestivum: Traes_5BS_A5532B750.1, Traes_5BL_A5532B750.1, Traes_5AS_3A85F1C2C.3
- Zea mays: GRMZM2G088140_P03, GRMZM2G088140_P02, GRMZM2G074373_P02, GRMZM2G074373_P01
Sequences
CDS Sequence:
- >PH01001517G0230|Phyllostachys_heterocycla|bZIP|PH01001517G0230
ATGGCCTCCCTCACCGACGACCTCCTCGCGTTGGTGCGGAGTAATGATAGTGCCATAAATGGGTTCTTTAAGGTCAGGAGGACTGAGGATGGCATGTCATGGTTAGCGGACATGTTGAAGAACAATCTGAAACCTCGGGAACAGACATTCAATTCTTTGGTGGAGTCGCTGACCACCTCTGGGCGAGTGGATGATGCACTGCTGGTCCTAAATACAATGTTCAAAATTGGATTTGACTTAAGCAGTTTGGCTTGTACTATACTTGTTGATAAACTATGCACAGACAATGTATCTTACTCTCATGGGTTGGAGGATATTTTGGTTTTACTTTATGCCACCTCATGTGTCCGTTGGCAATGGAGTAATCGCTGCCCCTTGTCTGACCAACAGCCACCTGCTGCTTCAAGTGCCGCGGCCGTGACACCAGCTGTTTACCCAGATTGGACCAACTTTCAGGCATATCCTCCAATTCCAACACATGGATTCTTTCCCTCACCTATGGTATCAAGCCCACAGGGTCATCCTTACATGTGGGGAGCTCAGGTACTGGTACGGCTCCGGTGTGTTCCCCAGAAGTATTGGAATTTTTGCCGATTAAGAAAAAGAAATAAAAATCAGCCTATGATACCACCATATGGGACTCCGCCGCCGCCATATGTTATGTACCCTCCTGGCGGCATATATGCTCACCCATCTATGCCCCCAGGTGCACACCCATTTACTCCTTATGCTATGACTTCTCCAAATGGCAATGTTGATGCCACTGGAACCGCCGCCGCCGCCACTGGTGGTGGTGAAGCAGATGGAAAATCCTTTGAAGGGAAAGAAAAAAGTCCCATCAAAAGATCCAAAGGAAGTTTAGGTAGCTTGAACATGATTACAGGAAAGAACTCTACTGAACATGGTAAGACCTCAGGGGCATCAGCTAATGAAGCTATCTCTCAAAGCGGGGAAAGTGGAAGTGAAAGTTCTAGTGAAGGAAGTGAAGCAAATTCTCAGAATGATTCACAGAACAAGGAAAGTGGACAGGAACAAGATGAAGATATTCGAAGTTCGCAGAATGGTGTATCACGCTCACCATCTCAGGCCAGATTGAACCAAACTATGGCAATCATGCCAATGCCATCCAGTGGTCCAGTACCTGGTCCAACTACAAACTTGAATATAGGAATGGACTACTGGGCCAGCGCAGATGAACGTGAACTCAAAAGACAGAGAAGAAAGCAGTCCAACAGGGAGTCTGCTCGCAGATCTAGGTTGCGTAAGCAGGCTGAATGTGAGGAGTTGGCTCAACATGCTGAATCTTTAAAGCAGGAAAATGCTTCACTTAGAGATGAAGTGAACCGGATCAGAAAGGAGTATGATGAACTTCTATCAAAGAATAGCTCACTAAAGGAAAAACTTGGAGACAAACAACACAAAACTGACGAGGCAGCACTTGACAATAAGCTGCAACATTCTGGTGATGACAGCCAGAAAAAGGAAACTAATTGA
Protein Sequence:
- >PH01001517G0230|Phyllostachys_heterocycla|bZIP|PH01001517G0230
MASLTDDLLALVRSNDSAINGFFKVRRTEDGMSWLADMLKNNLKPREQTFNSLVESLTTSGRVDDALLVLNTMFKIGFDLSSLACTILVDKLCTDNVSYSHGLEDILVLLYATSCVRWQWSNRCPLSDQQPPAASSAAAVTPAVYPDWTNFQAYPPIPTHGFFPSPMVSSPQGHPYMWGAQVLVRLRCVPQKYWNFCRLRKRNKNQPMIPPYGTPPPPYVMYPPGGIYAHPSMPPGAHPFTPYAMTSPNGNVDATGTAAAATGGGEADGKSFEGKEKSPIKRSKGSLGSLNMITGKNSTEHGKTSGASANEAISQSGESGSESSSEGSEANSQNDSQNKESGQEQDEDIRSSQNGVSRSPSQARLNQTMAIMPMPSSGPVPGPTTNLNIGMDYWASADERELKRQRRKQSNRESARRSRLRKQAECEELAQHAESLKQENASLRDEVNRIRKEYDELLSKNSSLKEKLGDKQHKTDEAALDNKLQHSGDDSQKKETN*