Information report for 900000
Gene Details
Functional Annotation
- Refseq: XP_002884017.1 — basic leucine zipper 23 isoform X1
- Swissprot: Q8GTS2 — BZP23_ARATH; Basic leucine zipper 23
- TrEMBL: D7L871 — D7L871_ARALL; DNA binding protein
- STRING: scaffold_303970.1 — (Arabidopsis lyrata)
- GO:0006355 — Biological Process — regulation of transcription, DNA-templated
- GO:0071294 — Biological Process — cellular response to zinc ion
- 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: AT2G16770.1
- Brassica napus: GSBRNA2T00087531001, GSBRNA2T00035719001, GSBRNA2T00150182001
- Brassica oleracea: XP_013612101.1, XP_013612100.1, XP_013622657.1
- Brassica rapa: XP_009112402.1, XP_009112401.1, XP_009112403.1
- Raphanus raphanistrum: RrC4827_p3
Sequences
CDS Sequence:
- >900000|Arabidopsis_lyrata|bZIP|900000
ATGGACGACGGTGAGCTTGAGTTTTCGAATTCAAACATGGGTGGTGAATTACCACCTAGTAGTTGTTCGATGGATTCGTTCTTCGATGAGCTTTTGAGGGATTCTCATGCTTGTACTCATACTCATACTTGTAATCCTCCGGGACCAGAGAACACACATACTCACACATGTCTTCATGTGCACACCAAGATTCTTCCTTCACAGAGCGAGGATAAAGTTTCTACCGATGATACATCGGAATCTTCAGGGAAGAAGAGACCTTTGGGGAATAGAGAAGCGGTTAGAAAGTATAGGGAGAAGAAGAAGGCTAAAGCGGCTTCGTTGGAGGATGAGGTTATGAGGCTTAAGGCGGTCAATAATCAGTTGTTAAAGAGGTTGCAAGGTCAAGCTGTATTGGAAGCTGAGGTTACAAGGCTCAAGTGTTTGCTTGTTGATATAAGAGGAAGAATTGATGGAGAGATTGGTGCGTTTCCTTATCAGAAGCCTGCGGTTACAAACGTGCCTTACTCATACATGATGCATCCTTGCAATATGCAATGCGATGTTGATAACTTGTACTGCCTTCAAAATGGGAATAATGGAGAAGGTGGATCGATGAATGATCAAGGGCTAAATGGTTGTGAGTTTGATCAGCTAGAGTGCTTGGCTAATCCGAATTTAGCTGGCAAGGAGATCCCTGTCTGTAGTAATGGGATTGGAACATTCACTGTCAATGGATCGGGAGCTAATAAGAGAAAAGGTGGGCCTCGTGCAGCGAAAGCAGTTTGA ATGGAAGACGGAGATTCTAACCAAGAACATCCCCAACCTCTTACCACAAACCACGACGCTTCCTCCCCCAAGAAGCCATCCACTTCCTCCATCGTCGTTGACAGGCTAAAACGCGATGAATGGAGCGAAGGAGCTGTGTCGAGTCTACTCGAAGCCTACGAGACGAAATGGGTACTCAGGAACAGAGCCAAGCTCAAGGGCCAAGACTGGGAAGACGTGGCTAGACACGTGTCTTCACGCGCTAGCCACAGCAAGTCTCCCAAGACTCAGACGCAGTGCAAGAACAAGATCGAGTCCATGAAGAAACGGTACCGTTCTGAGTCTGCAACTGCCGACGGATCCTCTTGGCCTCTTTACTCTCGTCTTGATCATCTCCTCCGCGGAAATGCTTCCACCTCTGTCCAGCCTCAGCCTCAGGCTGTTCTGCCTCTGAATTGCTCTGCTCCTTTGCTCTTACTCGAGCCTCCGTCGCTGGCGGTGACTCATCCGCCGCAGCAACCTCCTGCTGCTCAGATGTCTCACGGATCCAACGGCGTCGGCACGATTAAGGAGGAGGGATTCAAGGACGATCACAAACCTGAGAGAGCGACGGAGATGGATACAGATAGTAGTACGCCAGTGCTCTGCAGAGAGAAAGCGAAGGTGAGGCCGAAGAAAGTAAGGAGAAGGTACAAGGAAGAGAAGGAGGAGATAGCTGGAAGCATACGGTGGTTAGCAGAGGTGGTGATGAGAACGGAGAGAGCGAGGATGGAGACGATGAAAGAGATAGAGAAGATGAGAGCTGAAGCAGAGGTGAAGAGAGGAGAGATGGATTTGAAACGAACGGAGATAATGGCCAACACTCAGATAGAGATTGCTAGACTCTTTGCAGCTTCTGTACAAAAAGGTGGTGTTGATTCTTCACTAAGGATTGGAAGAAACTGA ATGCCGGTAGATTTAGATAATTCGTCTGCGATGACCGTCTCTACAGCTTCCGGTGAGGCCAGCGTGTCTTCTACCGGCAATCAACCTGCGCCACCCAAGCCCGCACCCAAGAAAAAACGAAACCTCCCCGGAATGCCAGATCCGGACGCGGAGGTGATTGCTTTGTCTCCCAAGACTCTAATGGCGACAAATCGATTTGTTTGTGAAATCTGCAACAAAGGGTTCCAGCGAGACCAGAACTTGCAGCTTCATCGCCGGGGTCATAATCTTCCATGGAAGCTGCGGCAGAGGTCAAGTAAAGAGGTTCGGAAGCGAGTGTATGTTTGTCCAGAGCCATCTTGCGTTCATCACGAACCGTCGAGAGCTTTGGGCGATTTGACGGGGATAAAGAAGCATTTTTGCAGAAAACATGGGGAGAAGAAGTGGAAATGCGACAAGTGTTCGAAGAAATACGCAGTTCAATCTGATTGGAAAGCTCACTCGAAGATTTGTGGAACAAGGGAGTACAAGTGCGATTGTGGGACTTTGTTTTCAAGGAGGGATAGCTTCATCACCCACAGGGCTTTCTGCGACGCGTTGGCGGAGGAGAGCGCCAAAACCCAGACTCAGACAGCGGTAGCCAATCCAAATTCAGATGAAGACCCAAAGATCGAGTCACCCCCGCCGCCGCCTCCCCCTCCTCCTCCCCCTGCACCAGCTGTTGCTCCGTCAACTGCTGTAATATCAGCAGTTTTGCCGATACAGAGTCCAGAGTTGCCGGAGAATCCAACTCAGATCTTGGAAGAAGCCCCACCAGCTGCCACCGGCCTAAATGCAAGCTGTAGTAGCAGTACTAGCTCGAGCAGTAATGCTACTGGATTCTCGGGCTTAAGCCGAGTCATGACTCGTCCTGATCGCCCAACTGAACTCACACCATCTTCTTCCACAGAGCCCATTTCTCTCTGCTTATCTACCAATCACGGATCGTCAATCTTTGGAACTGCTGGGCAAGAGCGCAGGCAATATGCGCCACCACCACAGCCTGCCATGTCTGCCACAGCCCTACTACAGAAGGCAGCTCAAATGGGTGCGGCTGCAACAAATGCCTCTCTGCTGCGTGGTTTTGGAATAGTTTCATCTACTTCTTCATCCGGGCAGCAAGAGAATCTACAGTGGAACCGCCAGCAAATGGAGCCAGAAAGCACGTCTGTGGCTGCAGGGCTGGGACTTGGGCTTCCCTGCGATGAAGGTTCCGGGCTGAAGGAACTAATGATGGGAACTCCTTCCTTGTTTGGTCCAAAGCAGACTACCTTAGATCTCTTGGGGTTGGGGATGGCAGCAAGTGGCAGCCCCTCTGGAGGGTTATCAGCTTTAATCACTTCCATTGGAGGAGGCCTTGATGTGGCTGCAGCAGCGGCCACATATAGAGGCGGGGAATTTGCAGGCAAAGACATGGGAAGGGTCTCCATTATATTTCACCTATACTGGAATTTTAGTTAA
Protein Sequence:
- >900000|Arabidopsis_lyrata|bZIP|900000
MDDGELEFSNSNMGGELPPSSCSMDSFFDELLRDSHACTHTHTCNPPGPENTHTHTCLHVHTKILPSQSEDKVSTDDTSESSGKKRPLGNREAVRKYREKKKAKAASLEDEVMRLKAVNNQLLKRLQGQAVLEAEVTRLKCLLVDIRGRIDGEIGAFPYQKPAVTNVPYSYMMHPCNMQCDVDNLYCLQNGNNGEGGSMNDQGLNGCEFDQLECLANPNLAGKEIPVCSNGIGTFTVNGSGANKRKGGPRAAKAV*