Information report for XP_010093582.1
Gene Details
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Functional Annotation
- Refseq: XP_024019565.1 — transcription factor HBP-1b(c38)
- Swissprot: O24160 — TGA21_TOBAC; TGACG-sequence-specific DNA-binding protein TGA-2.1
- TrEMBL: W9QTW3 — W9QTW3_9ROSA; TGACG-sequence-specific DNA-binding protein TGA-2.1
- STRING: XP_010093582.1 — (Morus notabilis)
- 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
- Fragaria vesca: mrna21882.1-v1.0-hybrid
- Gossypium hirsutum: Gh_A11G2749, Gh_D11G3337
- Juglans regia: WALNUT_00021412-RA, WALNUT_00021711-RA
- Malus domestica: MDP0000536881, MDP0000262210
- Manihot esculenta: Manes.09G004500.1.p
- Populus trichocarpa: Potri.016G036500.1
- Prunus persica: Prupe.7G037900.4.p, Prupe.7G037900.3.p, Prupe.7G037900.2.p, Prupe.7G037900.1.p
- Vitis vinifera: GSVIVT01033632001
- Ziziphus jujuba: XP_015866376.1
Sequences
CDS Sequence:
- >XP_010093582.1|Morus_notabilis|bZIP|XP_010093582.1
ATGGGTAGTAGAGGAGTGAAAGTTGGTGCAAATGATGGTAACAAAGTTGTGAACGAGATCATGCCGAGCTACGTTCCTCCAATATCAGCTCCAAATCCAATTGGCACAGAAGGTAGCAGTATCCGCTCTTCTCGAATTTTAGATTTTGGAACTCTTGAGCAATCGCTTGGATTTCGCATAGAGGATGCTGTTGACATCACCAGAAATTCTCTATTCAATCAAATTAAATCAAGCGGTCAGGCATTGGGTAATGATGTCCAATTTGGCGGGCTAAATAAGACGGTATCATTACCAAAAGATTCGCAAACAAAAGTAGCATCAGTATCTGGCTGTATTCGTGAGAACTGGGGCGAGTCCAGTATGGCAGATGCAAGCCCTAGGACTGACACGTCAACAGATGACACGGATGAGAAGAACCAAGGGCTTGAAAGGAATCAATTGGCTGTTGTTGCAGCTTCTGATTCGAGTGACAAATCAAAAGAAAAAGCAGGGGACCAAAAGACTCTACGCCGGCTTGCCCAAAATCGTGAAGCTGCTAGGAAAAGCCGATTACGGAAAAAAGCATATGTACAACAGCTTGAGAGTAGCCGGCTGAAACTAACCCAGCTGGAGCAAGAACTCCAGCGTGCCCGCCAACAGGGCATATTTATTTCTAGCTCAGGAGACCAATCACATTCCATGAGTGGAAATGATGAATATGAGCCATCATCCGAGTCTAGCTCCTCAGGTGGTTCTCTCATGTTTGCTTTTGCTTCAAACCACACCATCAAGATATCGTTGGGCAAGTGGAGAGGTGCCTTGGCGTTTGATGTGGAATATGCTCGTTGGCTAGAGGAGCACAATAGGCAGATTAATGAGTTGAGGGCTGCAGTCAATTCGCACGCTGGAGACACTGAGCTTCGTACAATCGTTGACAATGTTACAGCACATTTTGATGACATATTTAGGCTGAAGGGCATTGCAGCAAAAGCTGATGTTTTCCACATTCTTTCCGGAATGTGGAAGACACCAGCAGAACGGTGTTTCATGTGGATTGGTGGCTTCCGCTCATCTGAGCTTCTGAAGCTACTCGTGAATCAATTGGAGCCCTTAACTGAGCAGCAGTTGGTGGGCATCTGCAACTTGCAGCAATCATCGCAGCAAGCTGAAGACGCTCTGTCACAAGGAATGGAGGCATTGCAGCAATCTCTGGCAGAAACCCTGGCGAGCGGCTCGCCTGGACCATCAGGATCATCAGGGAATGTAGCAAACTATATGGGTCAAATGGCAATGGCCATGGGAAAGCTAGGAACTCTTGAGGGTTTCCTTCGCCAGGCTGATAATTTGCGCCAACAAACGCTACAACAAATGCATCGCATATTGACAACCCGACAATCAGCCCGTGCCCTGCTTGCAATAAATGATTATTTCTCCCGTCTTCGAGCCCTTAGTTCTCTTTGGCTTGCCCGGCCACGGGAGTGA
Protein Sequence:
- >XP_010093582.1|Morus_notabilis|bZIP|XP_010093582.1
MGSRGVKVGANDGNKVVNEIMPSYVPPISAPNPIGTEGSSIRSSRILDFGTLEQSLGFRIEDAVDITRNSLFNQIKSSGQALGNDVQFGGLNKTVSLPKDSQTKVASVSGCIRENWGESSMADASPRTDTSTDDTDEKNQGLERNQLAVVAASDSSDKSKEKAGDQKTLRRLAQNREAARKSRLRKKAYVQQLESSRLKLTQLEQELQRARQQGIFISSSGDQSHSMSGNDEYEPSSESSSSGGSLMFAFASNHTIKISLGKWRGALAFDVEYARWLEEHNRQINELRAAVNSHAGDTELRTIVDNVTAHFDDIFRLKGIAAKADVFHILSGMWKTPAERCFMWIGGFRSSELLKLLVNQLEPLTEQQLVGICNLQQSSQQAEDALSQGMEALQQSLAETLASGSPGPSGSSGNVANYMGQMAMAMGKLGTLEGFLRQADNLRQQTLQQMHRILTTRQSARALLAINDYFSRLRALSSLWLARPRE