Information report for Lus10030531
Gene Details
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Functional Annotation
- Refseq: XP_021638413.1 — transcription factor RF2b-like
- Swissprot: O22873 — BZP18_ARATH; bZIP transcription factor 18
- TrEMBL: A0A2P2JWC3 — A0A2P2JWC3_RHIMU; Uncharacterized protein
- STRING: Lus10030531 — (Linum usitatissimum)
- GO:0006355 — Biological Process — regulation of transcription, DNA-templated
- GO:0055114 — Biological Process — oxidation-reduction process
- GO:0003700 — Molecular Function — transcription factor activity, sequence-specific DNA binding
- GO:0005506 — Molecular Function — iron ion binding
- GO:0016705 — Molecular Function — oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
- GO:0020037 — Molecular Function — heme 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
- Cucumis sativus: Cucsa.143950.1
- Gossypium arboreum: Cotton_A_23834_BGI-A2_v1.0
- Gossypium hirsutum: Gh_D10G1862, Gh_A10G1607, Gh_D06G1934, Gh_D05G2651
- Malus domestica: MDP0000210251, MDP0000129203
- Manihot esculenta: Manes.10G001100.1.p
- Prunus mume: XP_008233880.1
- Prunus persica: Prupe.2G263700.1.p
- Ricinus communis: 29729.m002363
- Ziziphus jujuba: XP_015877571.1
Sequences
CDS Sequence:
- >Lus10030531|Linum_usitatissimum|bZIP|Lus10030531
ATGCATTTCGAGCTGATTCCGTTCGGTGCTGGAAGGAGGATATGTCCCGGGATTGCGTTCGGGATGGCGAATGTGGAGCTTCCCGTGGCGCAGCTGCTTTACCATTTCGACTGGGAGTTGCCGGATGGGGTTGAAGATCTTGATATGACGGAGGATTTTGCGGCGACGATGGGGAGGAAGAATCCGTTATGGTTGGTTCCTAGGGTTCATCGTTTTTCTAATGTGAGAGAGAAGGACGTTGAAGAGAAACATATGATTAGTACTGATGATCCCATTCCAAATCCAAACACCACGGCGGAGTCGCCCAGCGCCAATGGCGGCAATTCCCAAACCCCCAGGGGATCCTTCCACCGGAGGGCATTCTCCGAGTTCCAATTCCGCATCCCGGACGATCTAGATCTCGACCCGCTCGACCCCCCCTCGGTGACCTCTTTCGACGAGCTCGGATCCGAGGATGACCTCTTCTACACCTACATGGACATGGGAGGAGGAAGCCTCGGATCCAAACCCGACGACATTGATCAGAAAATCGACGAAGCAGCCGAGAATCCGAGCTCGAGCGGCGGAGGAGGAGGAGGAGGAAACAAAGGCGTGAAGGGGAAACATAGGCACAGCAATTCGGTGGACGGATCTTCATTTGTGCAGTCGATTGAAGCTAAGAAAGCTATGGGTCCTGATAAGCTTGCTGAACTCTGGAACATGGATCCCAAACGAGCCAAAAGGATCATTGCGAATCGGCAGTCTGCTGCGAGATCGAAGGAGAGAAAAGCTCGGTATATATTAGAGTTGGAGAGGAATGTGCAGAACCTTCAGGCGGAAGCAGCTACACTTGGGGCACAACTGACATTATTCCAGAGAGATACATTGGGTCTGACTAACGAGAATGCGGACCTGAAGCTTCGGGTGCAGGCCATGGAACAGCAGGCTCAGCTACGCGAAGCTGTAAATGATGCACTGAGAAAGGAAGTAGAGATGCTGAAGATAGCTACGGGCGAAAGAACGGCGCAACAACAACTCGAATATCCCTACAACATGGGAATGCACCATCAACATCATCACCTCTCTTACAACCATCCTCCTTTCTTCCCACTCCATCAGCAGCAACCTGGAAATGTCATGTATAACCCTCACAGCATCCAAGTCCCACAGTTCCACCCTAATAATAATCTCCAGAGTTCGCGCCACCTCCCAACTGTAACGGCTGCTCTCCCCAATCATCATGGCCGTGGATTTCCTGAGATGTTGCCACACGAGAGACTCCAAGGACTCGACATCAGCGGCGGAGGAGGAAGAAGCTACGTTGTGGTGAAATCTGAAGGACCCTCCATTTCCGCCAGTGAGAGCAACAATTAA
Protein Sequence:
- >Lus10030531|Linum_usitatissimum|bZIP|Lus10030531
MHFELIPFGAGRRICPGIAFGMANVELPVAQLLYHFDWELPDGVEDLDMTEDFAATMGRKNPLWLVPRVHRFSNVREKDVEEKHMISTDDPIPNPNTTAESPSANGGNSQTPRGSFHRRAFSEFQFRIPDDLDLDPLDPPSVTSFDELGSEDDLFYTYMDMGGGSLGSKPDDIDQKIDEAAENPSSSGGGGGGGNKGVKGKHRHSNSVDGSSFVQSIEAKKAMGPDKLAELWNMDPKRAKRIIANRQSAARSKERKARYILELERNVQNLQAEAATLGAQLTLFQRDTLGLTNENADLKLRVQAMEQQAQLREAVNDALRKEVEMLKIATGERTAQQQLEYPYNMGMHHQHHHLSYNHPPFFPLHQQQPGNVMYNPHSIQVPQFHPNNNLQSSRHLPTVTAALPNHHGRGFPEMLPHERLQGLDISGGGGRSYVVVKSEGPSISASESNN*