Information report for MDP0000120158
Gene Details
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Functional Annotation
- Refseq: XP_009354848.1 — PREDICTED: transcription factor RF2b-like
- Swissprot: O22873 — BZP18_ARATH; bZIP transcription factor 18
- TrEMBL: A0A498KEV1 — A0A498KEV1_MALDO; Uncharacterized protein
- STRING: XP_008344762.1 — (Malus domestica)
- 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_32036
- Cicer arietinum: XP_004500364.1
- Cucumis melo: MELO3C026879P1
- Cucumis sativus: Cucsa.118900.1
- Fragaria vesca: mrna28103.1-v1.0-hybrid
- Glycine max: Glyma.18G052500.1.p, Glyma.11G186700.1.p, Glyma.14G204100.1.p
- Juglans regia: WALNUT_00015547-RA
- Medicago truncatula: Medtr3g467120.1
- Populus trichocarpa: Potri.013G156900.3, Potri.019G130000.2, Potri.013G156900.1
- Prunus mume: XP_008241588.1
- Prunus persica: Prupe.6G041400.1.p
- Pyrus bretschneideri: Pbr013133.1, Pbr017284.1
- Ziziphus jujuba: XP_015874666.1
Sequences
CDS Sequence:
- >MDP0000120158|Malus_domestica|bZIP|MDP0000120158
ATGAAGCAAGATCCCCACCTCCAACAATCCAACCCTAATCCTGATTTCTTCACCTTCAATTCCAATCCCAATCCCAATCCCAAATCCAATCCAATCCCGCCGCTTCCCAGAAGCGTTGGCATTGACGGCAATGCCAATGCTTCGGGATTAGCAGCCGCCGCCACGTCATCGTCTTCAACCTCGTTCACCACGTCCACATCGCTGAGCTTGGCCACAATGCTGGGCAATTCCGCCTCCCCTTTCATCCGGGAAGACGCGGACGGGTCCCACCACGACCACAATCACGACGTGAGCCACAGGAGGGCCAACTCCGAGGTGAGCTTTCGGCTGCCGAAGGACATGATGGATCTGCCCGCCGCGGCGGGGGATCCGTTCAACGGAGGATCGTCGACGCCGAGTCTAGAGGAGATGGGATCGGAGGAGGACCTGTTCTCCACGTACATTGACCTCGACAAGCTCGGTGGGTCCAATAATTCCTCGGATCAGAATAGTGGCGGCAATGATGGGCCTGATGGTGGGCCCAATGGCAATGCCGGTGGCGGTGAGGGAGGAGGAGGAGGAGAGAAGAGGCCGTCCAGGCACCGGTATAGCAGCTCGGTAGATGGGTCGTCGACGTCGACCGGCTTGTTCGGGGAGGTCATGGAGGCCAAGAAAGCTATGCCTCCTGATAAGCTCGCAGAGCTCTGGACCCTTGATCCCAAGCGTGCCAAAAGGATACTGGCAAATCGGCAGTCTGCTGCTCGCTCAAAAGAAAGGAAGTCCCGCTATATACAAGAACTTGAGCGCAAAGTTCAGACCCTTCAAACAGAAGCCACCACTCTTTCTGCTCAACTTACATTATTCCAGAGGGACACCACAGGTCTGAGTACTGAAAACACAGAACTTAAGCTTCGGTTACAATCTATGGAGCAACAAGCTCAGTCGCGCGACGYATTAAACGAAGCTCTGAAGAAGGAGGTTGAGAGGCTCAAGATTGCCACAGGGGAGAGGATGAGCCCTTCTGATTCATTCAACTTGGGGATGCACCAGATGCCATACAACCATCCATCAGCTTATTTTCCGCTTCAACAACAACCAGGACCGGCTAGTCACCAGACCATGCAGTTGCGACAATTCAATCATTCCCAGTCTAATATGCCAACCCAACATCTGCATCAGTCAAATTCTCACACCCTTCTTTCAGATATGTTGCAGAACGGCCCTGTCGGTCAGTTACAGGGACTCGACATTGGTAGTAAAGGAGCACCAATCGGGAAGTCTGAAGGCCCCTCGCTTTCTGCTAGTGAAAAAGGGCTGTTCCCTAAAACGGGGAAGCACCCTTTTCATCAATCTGCTCGACGCRGAAATTTTGTGTATGGGGAGTGCTRTAAATTCTGGGAATGGAAGAGTTTGATACACCATGTTGGGTATTCTGGATAA
Protein Sequence:
- >MDP0000120158|Malus_domestica|bZIP|MDP0000120158
MKQDPHLQQSNPNPDFFTFNSNPNPNPKSNPIPPLPRSVGIDGNANASGLAAAATSSSSTSFTTSTSLSLATMLGNSASPFIREDADGSHHDHNHDVSHRRANSEVSFRLPKDMMDLPAAAGDPFNGGSSTPSLEEMGSEEDLFSTYIDLDKLGGSNNSSDQNSGGNDGPDGGPNGNAGGGEGGGGGEKRPSRHRYSSSVDGSSTSTGLFGEVMEAKKAMPPDKLAELWTLDPKRAKRILANRQSAARSKERKSRYIQELERKVQTLQTEATTLSAQLTLFQRDTTGLSTENTELKLRLQSMEQQAQSRDXLNEALKKEVERLKIATGERMSPSDSFNLGMHQMPYNHPSAYFPLQQQPGPASHQTMQLRQFNHSQSNMPTQHLHQSNSHTLLSDMLQNGPVGQLQGLDIGSKGAPIGKSEGPSLSASEKGLFPKTGKHPFHQSARRXNFVYGECXKFWEWKSLIHHVGYSG