Information report for Psi001104
Gene Details
Functional Annotation
- Refseq: XP_011621614.1 — light-inducible protein CPRF2 isoform X1
- Refseq: XP_018830240.1 — PREDICTED: light-inducible protein CPRF2-like isoform X1
- Refseq: XP_018830241.1 — PREDICTED: light-inducible protein CPRF2-like isoform X2
- Swissprot: Q99090 — CPRF2_PETCR; Light-inducible protein CPRF2
- TrEMBL: A9NUK0 — A9NUK0_PICSI; Uncharacterized protein
- 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
- Beta vulgaris: Bv4_081830_goqc.t1
- Fragaria vesca: mrna16561.1-v1.0-hybrid
- Gossypium hirsutum: Gh_D08G2277
- Nicotiana benthamiana: Niben101Scf30320g00011.1, Niben101Scf01696g06033.1
- Nicotiana tabacum: XP_016450151.1, XP_016499655.1
- Solanum lycopersicum: Solyc01g097330.2.1
- Solanum melongena: Sme2.5_00287.1_g00001.1
- Solanum tuberosum: PGSC0003DMP400033825
Sequences
CDS Sequence:
- >Psi001104|Picea_sitchensis|bZIP|gnl|UG|Psi#S41649446;PUT-183a-Picea_sitchensis-28663
ATGGAGAGAGTGTTTTCTGTGGACGATATTTTAGGGACGTTCTGGAAGCTGGATACGCAGGGGGAGGGGGAAGGGGAGACGGGCCCCTCTGGAGACACGGCCATCAATCGCACCACCACCACCACGAAGACGAGCATGAATCGCAGCGCTTCGGAATGGGCTTTCCAGCGTTTCATCACAGAGGCCTCCCCCATTCCCCCACCATCACCATCCCGATCCCCTTCCCCTCACATTCCTAATCACCACGACCTCGATCATAAGAAAAAGAAGAAGCCCTCTTCTTCCCCGACCCCGACTCCTCCCGCCCTTGTTAACGTGGAGGAAGAGGATGAGGCTGAGGAGGAGGAGATGAGAGAGGATGTCAAGGCAAAGAAAGAGGAGGAGGAGATGAGAGAGGATGTCAAGGCAGAGAAAGAGGAGGAGGACGAGAAGCAGCGCAACACGGACAAGGAGGAGGAGGTTGCAGCTAAACCTGTGGTGCGCAATGAACCATCATCGTCGTCGTCATTGGTGGCGGTAAATGTGAAGCCTTTGTCTCCTCTATTGAAGGGAACGGGGTCTGTGATGGAGAAAGGGGTCGTTACCCACAATAATCCTCAGGATCTCGAGTCTTTCCTTAAGCAGCGCCTCGATCTCGCATGCGCAGCCGTTGCCTTGACTCGGGCTTCAGGGATTGATTTCCAAGGTGCTCCTCCTTTGACTTTTGGTGCACAACATTCTCAAAATATTAGCATGGAGTCACGAGCAGGCTCTACTGTATCAGTAGCTCAATCCTCTGGTGCAGGGTCTAGACCTATCTACAATGGGGCATTGGGACACATTGTTTCTCAGCCAATAGGTATACCTGCATTGCCCCCTAAGCCACAAAGTGGAGCTTCTCAAATCAAGACTACCACCAGTGGATCATCGCGAGAGCAAACGGATGATGATGAGTTAGAGGCAGAAATAGAGGCCAATCAATCAACCATGGATCCAAGTGATTTGAAAAGAATGAGAAGAATGTTATCAAACAGAGAGTCTGCAAGGCGTTCCAGAAGAAGAAAACAAGCACATTTGAGTGATCTTGAGATGCAGGTTGCACAATTAAGAGTAGAAAATGCTTCTTTATTCAAGCGCCTCACTGAGATGAGTCAGAAGTACAATGACGCTGCTGTTGATAATCGAATTCTGAGAGCAGATGTGGAAGCATTGAGAGCAAAGGTGAAGATGGCGGAAGATATGGTAGCCAGGGCAACTGGTGTTGGTCATTCAATTCAAAACACAGCCCAGATTTCACAAGCTTCTGGCATGCGATATATGGGTGGTCCACTAGAATCACCTGTAACTTCTGGTCTGCAGGATTCTAGTCGATACTCACATTCTGGACAGCCAATCTCAACTCAAGGAATGCCTTGCGATATTTCTAATATGAATGATCGGAATAAAGAGCTATTAACACAGAATGTTGGAACCAAAATGGGGCGGACACCCTCTATGCAACGGGTTGCGAGTTTAGAACATTTACAGAAGCGAATTCGTGGGGGAGTGACCTGTGGATCCACGCCATGGAGTGGAGGCTGGGATATTGAAGGCTCACCTAGGATTGAGAATGGTGGACAGTAA
Protein Sequence:
- >Psi001104|Picea_sitchensis|bZIP|gnl|UG|Psi#S41649446;PUT-183a-Picea_sitchensis-28663
MERVFSVDDILGTFWKLDTQGEGEGETGPSGDTAINRTTTTTKTSMNRSASEWAFQRFITEASPIPPPSPSRSPSPHIPNHHDLDHKKKKKPSSSPTPTPPALVNVEEEDEAEEEEMREDVKAKKEEEEMREDVKAEKEEEDEKQRNTDKEEEVAAKPVVRNEPSSSSSLVAVNVKPLSPLLKGTGSVMEKGVVTHNNPQDLESFLKQRLDLACAAVALTRASGIDFQGAPPLTFGAQHSQNISMESRAGSTVSVAQSSGAGSRPIYNGALGHIVSQPIGIPALPPKPQSGASQIKTTTSGSSREQTDDDELEAEIEANQSTMDPSDLKRMRRMLSNRESARRSRRRKQAHLSDLEMQVAQLRVENASLFKRLTEMSQKYNDAAVDNRILRADVEALRAKVKMAEDMVARATGVGHSIQNTAQISQASGMRYMGGPLESPVTSGLQDSSRYSHSGQPISTQGMPCDISNMNDRNKELLTQNVGTKMGRTPSMQRVASLEHLQKRIRGGVTCGSTPWSGGWDIEGSPRIENGGQ