Information report for 29598.m000468
Gene Details
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Functional Annotation
- Refseq: XP_002531296.1 — light-inducible protein CPRF2
- Swissprot: Q99090 — CPRF2_PETCR; Light-inducible protein CPRF2
- TrEMBL: B9SZ77 — B9SZ77_RICCO; Light-inducible protein CPRF-2, putative
- STRING: XP_002531296.1 — (Ricinus communis)
- GO:0006355 — Biological Process — regulation of transcription, DNA-templated
- GO:0071215 — Biological Process — cellular response to abscisic acid stimulus
- GO:0071333 — Biological Process — cellular response to glucose stimulus
- GO:0005634 — Cellular Component — nucleus
- GO:0003700 — Molecular Function — transcription factor activity, sequence-specific DNA binding
- GO:0042802 — Molecular Function — identical protein binding
- GO:0043565 — Molecular Function — sequence-specific DNA binding
- GO:0046982 — Molecular Function — protein heterodimerization activity
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
- Citrus sinensis: orange1.1g012287m
- Juglans regia: WALNUT_00010552-RA
- Manihot esculenta: Manes.08G134500.1.p, Manes.09G153300.1.p
- Nicotiana benthamiana: Niben101Scf01696g06033.1, Niben101Scf30320g00011.1
- Nicotiana tabacum: XP_016499655.1, XP_016450151.1
- Populus trichocarpa: Potri.013G040700.1, Potri.005G053200.1, Potri.013G040700.2
- Solanum lycopersicum: Solyc01g097330.2.1
- Solanum melongena: Sme2.5_00287.1_g00001.1
- Solanum tuberosum: PGSC0003DMP400033825
- Ziziphus jujuba: XP_015875429.1
Sequences
CDS Sequence:
- >29598.m000468|Ricinus_communis|bZIP|29598.m000468
ATGGATAGGGTGTTTTCAGTAGACGGAATCTCAGAACAGTTCTGGTCACCACCACTACCGCCACCGCCACCTTCTTCTTCTTCTTCTGCAGAAGATTCGTCGAAAAAAATAAACAGAAGTGCATCAGAATGGGCCTTTCAACGCTTTCTTCAAGAAGCTAATTCTGTTGCTTCTACTACCGACTCTTCTTCTTCTTCCGATGTTGTTGTCAGGGACAATCACAAAACATCTGATGATGCTGTCGTTGAAATCAAGGATAATAAAAACAATACTAATAAATATAATGATTCTTCTGTTTCTAGTGCTAATGCTCAAATTAGCAATGGGAGATGTGCCCCGCCTCCGTTTAATGCAGCTGCTCCTCCTCCGAATATTCCGGCGGATTCTGAAGATTACCAGGCTTTTCTTAAAAGTAAACTCAATTTGGCTTGTGCCGCCGTTGCTCAGTCCCGGGCATCTTTTCTGAAACCTGAAGATTCATCTGCTCGAGCTGACAGTGGATTGCAGGCTTCAAATACTTCACAATTAGGATCTCATGCTCCTTCTAAAGGGGCTGGACATGATGTATTTAGATCACAAGAGGTGGACGTTGATGGATCAGTTGGAATCCCCTCCTTACCTAGCACGCACAAGAAATCTGTAGTTCCTCTAAAGCCAACAACAAGTGGATCATCAAGAGAACAGTCAGACGATGATGAAAATGAAGGAGAAACTGAGCTAACTGAGAATATGGACCCGACTGATGCAAAACGTGTGAGAAGAATGCTTTCAAATAGAGAGTCAGCTAGACGATCGCGAAGAAGAAAGCAGGCTCATCTGACAGAGCTCGAGACACAGGTTGCTCAACTGAGAGTCGAAAATTCATCTCTATTAAAGCGTCTCACTGACATAAGCCATAAGTACAATGAATCAGCTGTCGATAACAGAGTATTAAAAGCTGATGTTGAAACATTGAGAGCGAAAGTGAAGATGGCTGAGGAGACGGTCAAAAGGATTACGGGGTTGAATTCTCTGTTCCATACCATACCTGAAATGTCCACAATGAGCATGCCATCGTTTGATGGAAGCCCTTCTGACACATCAACTGATGCGGCAGTTCCTGTCCAAGATGACACAGAGCATCAGTTTTATCAGCCTCCAAATAATCCATTGTCCACTCATGACCCAAGAGTAAACAATGCTTTGGCAGACATCTCCTCAGTTGAAAACGTGCAGCCACATTCTGGAGCAGCAGGTTTAGGAGGGAACAAGATGGGACGGACAGCTTCCTTGCAGCGAGTGGCTAGCTTGGAGCATTTACAGAAACGGATCCGTGGGGGTGCAACTCCTTGTGAGACCCAGTCCAGTGGAGAGCATCAGTAA
Protein Sequence:
- >29598.m000468|Ricinus_communis|bZIP|29598.m000468
MDRVFSVDGISEQFWSPPLPPPPPSSSSSAEDSSKKINRSASEWAFQRFLQEANSVASTTDSSSSSDVVVRDNHKTSDDAVVEIKDNKNNTNKYNDSSVSSANAQISNGRCAPPPFNAAAPPPNIPADSEDYQAFLKSKLNLACAAVAQSRASFLKPEDSSARADSGLQASNTSQLGSHAPSKGAGHDVFRSQEVDVDGSVGIPSLPSTHKKSVVPLKPTTSGSSREQSDDDENEGETELTENMDPTDAKRVRRMLSNRESARRSRRRKQAHLTELETQVAQLRVENSSLLKRLTDISHKYNESAVDNRVLKADVETLRAKVKMAEETVKRITGLNSLFHTIPEMSTMSMPSFDGSPSDTSTDAAVPVQDDTEHQFYQPPNNPLSTHDPRVNNALADISSVENVQPHSGAAGLGGNKMGRTASLQRVASLEHLQKRIRGGATPCETQSSGEHQ