Information report for MELO3C004728P2
Gene Details
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Functional Annotation
- Refseq: XP_008461530.1 — PREDICTED: transcription factor HBP-1b(c38)-like
- Swissprot: Q93XM6 — TGA9_ARATH; Transcription factor TGA9
- TrEMBL: A0A1S3CEU5 — A0A1S3CEU5_CUCME; transcription factor HBP-1b(C38)-like
- STRING: XP_008461530.1 — (Cucumis melo)
- 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
- Cajanus cajan: C.cajan_31756
- Cucumis sativus: Cucsa.199800.1, Cucsa.199800.2, Cucsa.199800.3
- Gossypium hirsutum: Gh_A09G0903, Gh_D09G0928
- Manihot esculenta: Manes.04G004100.1.p
- Populus trichocarpa: Potri.009G164300.1, Potri.009G164300.2, Potri.004G203400.4, Potri.004G203400.3, Potri.004G203400.2, Potri.004G203400.1
- Sesamum indicum: XP_011088884.1
- Vitis vinifera: GSVIVT01036134001
- Ziziphus jujuba: XP_015872803.1
Sequences
CDS Sequence:
- >MELO3C004728P2|Cucumis_melo|bZIP|MELO3C004728P2
ATGGCCAATCAACACTCTGCAACTTTGCCAAATTTCCATGGAATAATTCATCATAATCCTTCTCTTCCTTTCATAAATCCAGAAGGCTCAGCTTTTGATTTTGGAGAGCTGGAAGAAGCTATTGTTTTGCAGGGGGTTAAGCTTGGAAATGATGAACCCAAATCTCCAAGAAGGCCTGCAGCTACTCTTGAAATGTTCCCTTCTTGGCCAATAAGGTTTCAACAAACCCCAACATTGGGAGGAGGTTCAAAGTCAGAGAGCACAGATTCAGGATCAGCTAATATAAACAATACTCTCACAAGCAAAATAGAATTAGAAATGGAATCTGGATCACCAATAAATAGAAGAACGTGTTCTTCAAATCAAGGATTATTTGATCAAAATCATCATCATCATCATCATCTTCTTCATCTTCAACATCTTCAATCAGAATTTGAAGATGATGCTTTGAGAACAGAAGCATCGTCACAACAAAATCAATCTCCACTCAAAGAAAAGAGGAAAGGAGGTGGTTCAACTTCGGAGAGACAGCTTGATGCCAAGACACTGAGACGATTGGCTCAAAACAGAGAAGCGGCAAGAAAGAGCCGATTGAGGAAGAAGGCTTATATTCAGCAGCTAGAGTCTAGTAGAATCAAGCTCTCTCAGCTTGAACAAGACCTCCATAGAGCTCGTTCTCAGGGATTGTTTGTAGGTGCTTGCGGTGGCGTAATGGGTGGCAATATCAGCTCTGGAGCTGCAATATTTGACATGGAGTACGCACGGTGGCTAGACGAAGACCACCGTTTGATGGCAGAGCTACGGGCCGCACTACAGGGTCATCTCCCCGATGGCGATCTTCGGGCAATAGTAGACAGTTACATCTCTCACTACGACGAAATATTTCACCTGAAAGGCGTGGCAGCAAAATCGGACGTGTTTCATTTGATTACAGGAATGTGGATGACTCCAGCAGAGCGTTGTTTCCTGTGGATTGGCGGGTTTCGACCATCAAAACTCATAGAGATGCTAATTCCACAAATAGACACATTAACGGAGCAACAAGCAATGGGAATATGTAATTTGCAAAGATCTTCACAAGAAACAGAGGATGCTCTTTATCAAGGCCTTGAGCAGTTGCAGCACTCTCTCATTATCACTATCGCCGGCACCGCCGTTGTCGACGGTATCAATCATATGGCTCTTGCCGCCGGCAAGCTCTCCAATCTTGAAGGCTTCATCCGCCAGGCTGATATGTTGAGACAACAAACACTTCATCAGTTACATCGGATATTGACAGTACGACAGGCAGCTAGATGTTTTGTGGTAATTGGAGAGTATTATGGAAGACTTCGAGCTCTTAGTTCCTTGTGGGTGTCACGACCAAGAGAGAGCAGCTGCTTGAACGATGAAAGTTCATGCCAAACAACAACAGAGCTGCAAATGATTCAGAATTCCCACACCCATTTCCCAAACTTTTGA
Protein Sequence:
- >MELO3C004728P2|Cucumis_melo|bZIP|MELO3C004728P2
MANQHSATLPNFHGIIHHNPSLPFINPEGSAFDFGELEEAIVLQGVKLGNDEPKSPRRPAATLEMFPSWPIRFQQTPTLGGGSKSESTDSGSANINNTLTSKIELEMESGSPINRRTCSSNQGLFDQNHHHHHHLLHLQHLQSEFEDDALRTEASSQQNQSPLKEKRKGGGSTSERQLDAKTLRRLAQNREAARKSRLRKKAYIQQLESSRIKLSQLEQDLHRARSQGLFVGACGGVMGGNISSGAAIFDMEYARWLDEDHRLMAELRAALQGHLPDGDLRAIVDSYISHYDEIFHLKGVAAKSDVFHLITGMWMTPAERCFLWIGGFRPSKLIEMLIPQIDTLTEQQAMGICNLQRSSQETEDALYQGLEQLQHSLIITIAGTAVVDGINHMALAAGKLSNLEGFIRQADMLRQQTLHQLHRILTVRQAARCFVVIGEYYGRLRALSSLWVSRPRESSCLNDESSCQTTTELQMIQNSHTHFPNF*