Information report for PGSC0003DMP400033825
Gene Details
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Functional Annotation
- Refseq: XP_006347748.1 — PREDICTED: light-inducible protein CPRF2
- Swissprot: Q99090 — CPRF2_PETCR; Light-inducible protein CPRF2
- TrEMBL: M1BPR9 — M1BPR9_SOLTU; Uncharacterized protein
- STRING: PGSC0003DMT400050096 — (Solanum tuberosum)
- 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
- Capsicum annuum: CA08g10300
- Juglans regia: WALNUT_00010552-RA
- Nicotiana benthamiana: Niben101Scf01696g06033.1, Niben101Scf30320g00011.1
- Nicotiana tabacum: XP_016499655.1, XP_016450151.1
- Petunia inflata: Peinf101Scf00506g05012.1, Peinf101Scf00650g10009.1
- Populus trichocarpa: Potri.013G040700.1
- Ricinus communis: 29598.m000468
- Sesamum indicum: XP_011091948.1
- Solanum lycopersicum: Solyc01g097330.2.1
- Solanum melongena: Sme2.5_00287.1_g00001.1
- Ziziphus jujuba: XP_015875429.1
Sequences
CDS Sequence:
- >PGSC0003DMP400033825|Solanum_tuberosum|bZIP|PGSC0003DMP400033825
ATGGATAGAGTATTTTCAGTGGACGATGACATTGGCGACCATTTTTGGTCGACGCCGCCGACGGCGGAGTTGGGCGTTGATTCACCTACCTCTGCCGCCACCGCCGCCATCTCCTACTCGAAGATGATGAATCGCAGCTCTTCCGAATGGGCTTTCCAGCGTTTCCTACAAGAAGCCGCCGGTACGACCACTTCATCTCCTCCTCTGCCACCTACAATGGCGTCTTCGTCGTCATCTTCACACCAAAACGATGTTGTCGAGATCAAGGATGAGAATCTTTCTACTCCTAATCTCAATTCCAGTACGGCGTTGAATTCGAAGCCGGCAGCGACGTCGTTTGCCTCTGCACCTCCGCAGAATATTCCCGTTGATGCTGAAGAGTATCAAGCCTTCCTCAAAAATCGCCTCGATTTGGCTTGTGCTGCAGTCGCATTGACTCGGGCGAAGAATCTAAAGCCTCAAGATTCAAGTTCTATTGCACCTGATAAAGGTCCAGAGACTGCTAGTGCATCACAATCAGTATCTCACATCTCCACTAAAGGATCTGGTCAGGAAGTGAGAAAAGTTCAAGATAAGGATTCTGGTGGACCAGTTGGAATACCCTCTTTACCCTCAGTGCAGAAGAAACCTGTGGTGCAGGTGAAGTCAACAACTAGTGGTTCATCTAGAGAGCTATCCGATGATGATGAAGCTGAAGGAGAAGCAGAAACGACTCAAGGAACGGATCCAGCTGATACGAAACGCGTAAGGAGAATGCTTTCAAATAGAGAATCAGCCAGACGTTCAAGGAGAAGAAAGCAAGCCCATCTTACAGAACTTGAGACACAGGTATCTCAACTGAGAGTAGAAAACTCCTCCCTACTGAAACGTCTGACTGACATAAGCCAGAAATACAATGAATCAGCTGTTGATAATCGTGTCTTAAAAGCAGATGTTGAGACATTGAGAGCGAAGGTGAAGATGGCAGAAGAAACAGTTAAAAGAGTTACTGGGTTAAATCCCTTATTCCAAGCTATGTCTGAGATGTCCTCAATGGCAATGCCATCCTTCTCTGGCAGTCCTTCAGACACATCAACAGACACTGCTCTGCCTGTGCAAGATGATCCTCAACATCATTACTACCAACAACCGCCAAATAATCATATGCCAACCCATGATCCTAGAATTCAAAATGGTATGGTTGATGTTCCTCCAATAGGAGGATCTGTACAGCAGAATCTTGCAGCTGCAGCAGTTGGGGGGAATAAGATGGGTAGAACAGCTTCAATGCAGCGGGTAGCCAGCTTGGAGCATCTGCAGAAGCGCATACGTGGAGAAGTGAGTTCCTGTGGAACCCAAGGTCGGGGAGAGCAATAA
Protein Sequence:
- >PGSC0003DMP400033825|Solanum_tuberosum|bZIP|PGSC0003DMP400033825
MDRVFSVDDDIGDHFWSTPPTAELGVDSPTSAATAAISYSKMMNRSSSEWAFQRFLQEAAGTTTSSPPLPPTMASSSSSSHQNDVVEIKDENLSTPNLNSSTALNSKPAATSFASAPPQNIPVDAEEYQAFLKNRLDLACAAVALTRAKNLKPQDSSSIAPDKGPETASASQSVSHISTKGSGQEVRKVQDKDSGGPVGIPSLPSVQKKPVVQVKSTTSGSSRELSDDDEAEGEAETTQGTDPADTKRVRRMLSNRESARRSRRRKQAHLTELETQVSQLRVENSSLLKRLTDISQKYNESAVDNRVLKADVETLRAKVKMAEETVKRVTGLNPLFQAMSEMSSMAMPSFSGSPSDTSTDTALPVQDDPQHHYYQQPPNNHMPTHDPRIQNGMVDVPPIGGSVQQNLAAAAVGGNKMGRTASMQRVASLEHLQKRIRGEVSSCGTQGRGEQ*