Information report for Pgl009375
Gene Details
Functional Annotation
- Refseq: XP_006826801.1 — transcription factor TGA2.3
- Refseq: XP_011621010.1 — transcription factor TGA2.3
- Swissprot: O24160 — TGA21_TOBAC; TGACG-sequence-specific DNA-binding protein TGA-2.1
- TrEMBL: A0A0D6QSB1 — A0A0D6QSB1_ARACU; Uncharacterized protein
- STRING: ERM94038 — (Amborella trichopoda)
- 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
- Cicer arietinum: XP_012569330.1, XP_004493401.1
- Citrus sinensis: orange1.1g045786m
- Fragaria vesca: mrna21882.1-v1.0-hybrid
- Gossypium hirsutum: Gh_D11G3337
- Medicago truncatula: Medtr7g089800.3, Medtr7g089800.1
- Musa acuminata: GSMUA_Achr10P00340_001
- Panicum virgatum: Pavir.5NG543900.1.p
- Ricinus communis: 30131.m007163
- Vitis vinifera: GSVIVT01036649001, GSVIVT01033632001
Sequences
CDS Sequence:
- >Pgl009375|Picea_glauca|bZIP|PUT-175a-Picea_glauca-36145
ATGGCGAATAAAATAGATGAACAGGTTACCGCGGCTGCATCTTACGTTAGAAGTGTTAGTCTCGGCATGCAGAGCTTCGCCCCTCCGCTGGTCTCTCACACAATTGGTACGTTTGGCACAGAGGCCAACAAAGGCTATTTTGGGGAACTTGAGCAGACTGTGGGTTTTCATCTGGATGATGTAGCCAGTCTTGCTGGCAAGAGTTCCGCTGTGAATTCTAGACCAGCTGTCAACGTTAATCATTCTGGGACATTACAGATTGCTGGCTTGAGCAAGGTGCAGCAGCCCCCCGATTTTACTCCTCCTTCCGTGAACAGTGTGGAATCACGGCATCATTCTTCTCACCGAGGAGGCGCCCAGTCAGGAGGCTTTGTATCCACATCGGGCAATCGGATAGACCCTTGGGAAGATTCGCTCATGGCCGACACAAGCCCCCGGACCGATGATACTTCTACAGATGTCGATACTGATGAGAAGATGGACCTTGTTCTGCATGGAGGTGACTCTTCTGATAGAACAAAGGACAAAAATGGGGATCAGAAGACACTTCGCAGGCTTGCTCAGAATCGTGAGGCTGCAAGAAAAAGTCGTTTGAGAAAAAAGGCATATGTTCAACAGCTGGAAAGTAGTAGACTAAAGCTGACTCAGCTTGAGCAAGAGCTTCAACGTGCAAGGCAACAGGGAATTTTCATTGGAGGAAGTTGTGTTGGAGATCAAAGTCATTCAATGAGTGGAAATGGAGCTCTAGCATTTGACATGGAGTATGCTCGTTGGTTGGATGAGCATCATCGACAGATAAATGATCTGAGGTCAGCAGTGAATTCACATGTGGGGGACAATGAGCTGCGTGGTCTGGTCGAAGCTGTCATGGCACATTACGATGAAATTTTTCGTCTGAAGAGTGTAGCTGCAAAATCTGATGTCTTTCATCTGGTCTCAGGCATGTGGAAGACGCCTGCCGAAAGATGTTTTATGTGGATGGGAGGATTTCGTCCTTCTGAACTTCTGAAGATACTTGTCACTCATCTGGAACCATTAACAGAGCACCAGTTTATGGGCATTAATAATTTGCAACATTCATCGCAACAGGCAGAAGATGCCTTATCACAGGGAATGGATGCCCTACAACAATCACTTGCAGAAACTCTTGCTTCTGGGTCCCTTGGTCCACCTGGCACTTCTGGAAATGTAGCAAACTATATGGGACAAATGGCAATGGCAATGGGCAAGTTAGGTACCCTTGAAGGTTTTGTTCACCAGGCTGACAATTTGCGGCAACAGACACTACAGCAAATGCATAGGATATTGACAACTCGCCAAGCAGCACGTGCGCTTCTTGCTATCAGTGATTACTTTTCTCGTCTGCGTGCCCTTAGCTCTCTATGGCTTGCTCGCCCCAGAGATTAA
Protein Sequence:
- >Pgl009375|Picea_glauca|bZIP|PUT-175a-Picea_glauca-36145
MANKIDEQVTAAASYVRSVSLGMQSFAPPLVSHTIGTFGTEANKGYFGELEQTVGFHLDDVASLAGKSSAVNSRPAVNVNHSGTLQIAGLSKVQQPPDFTPPSVNSVESRHHSSHRGGAQSGGFVSTSGNRIDPWEDSLMADTSPRTDDTSTDVDTDEKMDLVLHGGDSSDRTKDKNGDQKTLRRLAQNREAARKSRLRKKAYVQQLESSRLKLTQLEQELQRARQQGIFIGGSCVGDQSHSMSGNGALAFDMEYARWLDEHHRQINDLRSAVNSHVGDNELRGLVEAVMAHYDEIFRLKSVAAKSDVFHLVSGMWKTPAERCFMWMGGFRPSELLKILVTHLEPLTEHQFMGINNLQHSSQQAEDALSQGMDALQQSLAETLASGSLGPPGTSGNVANYMGQMAMAMGKLGTLEGFVHQADNLRQQTLQQMHRILTTRQAARALLAISDYFSRLRALSSLWLARPRD