Information report for AHYPO_005775-RA
Gene Details
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Functional Annotation
- Refseq: XP_010672248.1 — PREDICTED: probable transcription factor PosF21
- Swissprot: Q04088 — POF21_ARATH; Probable transcription factor PosF21
- TrEMBL: A0A0K9RRS7 — A0A0K9RRS7_SPIOL; Uncharacterized protein
- STRING: XP_010672248.1 — (Beta vulgaris)
- 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
- Actinidia chinensis: Achn237931
- Beta vulgaris: Bv3_057700_ifwp.t1
- Citrus sinensis: orange1.1g014327m
- Cucumis sativus: Cucsa.251880.2
- Manihot esculenta: Manes.11G123600.1.p, Manes.04G039500.1.p
- Nicotiana benthamiana: Niben101Scf02694g03002.1
- Petunia inflata: Peinf101Scf00087g11014.1
- Prunus mume: XP_008222595.1
- Prunus persica: Prupe.1G197700.2.p, Prupe.1G197700.1.p
- Ricinus communis: 29577.m000449
- Sesamum indicum: XP_011091639.1, XP_011091638.1
- Vitis vinifera: GSVIVT01010836001
- Ziziphus jujuba: XP_015867592.1, XP_015867591.1, XP_015867590.1
Sequences
CDS Sequence:
- >AHYPO_005775-RA|Amaranthus_hypochondriacus|bZIP|AHYPO_005775-RA
ATGTTTTCTAGGGTTTATAATTATAATTCATCCCTTTTTACCCAAATCATCAATTTAGGGTTTCGAATAATGGACAAAGAAAAACTCCATGGAGGTATTGGGTTACCACCAACAGCAACAGGAAGATTCTCTCCATTTTCCCCACCCACTTCTTCGTCTTCTCCCTCACTTCAACAGCAACCAACTCAAACGTCGTCGTTTAGCCATGATTTGAGCCGAATGCCGGATAATCCGCCCAAGAATATGGGTCATAGAAGAGCTCATTCAGAGATTCTTACTCTTCCTGATGATATTAGTTTCGATAGTGATCTTGGCGTCGTCGGAGGTGGGCTTGATGGGCCGTCATTTTCGGATGAAACTGAGGAGGATTTGTTTTCGATGTACATTGATATGGATAAGGTCAATTCTGCTACTTCGGCTGGGATTCAGGTGGGAGAGACGTCTTCAGGGCTGGGGTCGAAGCCCAGACATCAATATAGTCAATCAATGGATGGTTCGACAACGATAAAGACAGAAATGCTTGTTTCTGGTAGTGAAGAGGCTACCCCTGTAGAAGCCAAGAAAGCTATGTCTGCTGCTAAGCTTGCTGAACTTGCTCTTATTGATCCTAAACGAGCTAAAAGAATATGGGCAAATAGGCAGTCAGCTGCAAGATCGAAGGAAAGGAAGATGAGATACATTGCAGAACTAGAGCGCAAGGTTCAAACGTTGCAAACTGAAGCAACCTCTTTAGCTGCACAATTAACCCTGCTGCAGAGAGACACAAACGGCCTTACTGCTGAAAATAGTGAGCTGAAGCTGCGTCTACAGACAATGGAGCAGCAAGTTCACTTGCAGGATGCACTGAATGAAGCATTGAAGGATGAGATTCAGCATTTGAAAATGCTTACTGGTCAAGCCATGTCTAATGGTGGACCTATGATGAACTTTCCAGCATCATATGCTAACAGTCAGCCGTTCTATCCGAACAGTCAGGCTATGCATACTATGCTCACTGCACAGCAGTTTCAACAGCTACAGATAAATTCACAGAAGCAACAGTATCAGCAGCACCAACTACATCAGCTCCAACAGCAACAATTACAGCAGCCGGAACTGACCAAACAGTCTCAGCTCTCGGGTGATTTCAAAACAAGACCTCCAATGCCATTACTCAAAGAAAATACATCCGACCTAAATTCTCGAGTTTGCGTGAAATGGGTTCCGAAAGTGCCAAAGGAATTCGCGAAAGGAAAGGAGATTGATGCTGATGGTTTCAAACCTATAGAGCAGAAGGTAGGAGACATGATATTACTCCCTAAAGCTTTGGTTATCACTAACGACTGTGCTGCTTTAGATAAATATAGGAGGAACGATAGTGATGTGCAAGATATAACTGACTATGCTATTCAAGAGGAAGTCGATGATGAGGCTGAGGATATCGAGAGACTGGCTGAGCTGAGAGTAGCACCCCATCATAGTGATGTGCAAGATATAACTGACCATGCTATTCAAGAGGAAGTCGATGATGAGGCTGAGGATATCAAGAGACTGGCTGAGCTGAGAGTAGCACCCCATCCTTTCAAGGGATAA
Protein Sequence:
- >AHYPO_005775-RA|Amaranthus_hypochondriacus|bZIP|AHYPO_005775-RA
MFSRVYNYNSSLFTQIINLGFRIMDKEKLHGGIGLPPTATGRFSPFSPPTSSSSPSLQQQPTQTSSFSHDLSRMPDNPPKNMGHRRAHSEILTLPDDISFDSDLGVVGGGLDGPSFSDETEEDLFSMYIDMDKVNSATSAGIQVGETSSGLGSKPRHQYSQSMDGSTTIKTEMLVSGSEEATPVEAKKAMSAAKLAELALIDPKRAKRIWANRQSAARSKERKMRYIAELERKVQTLQTEATSLAAQLTLLQRDTNGLTAENSELKLRLQTMEQQVHLQDALNEALKDEIQHLKMLTGQAMSNGGPMMNFPASYANSQPFYPNSQAMHTMLTAQQFQQLQINSQKQQYQQHQLHQLQQQQLQQPELTKQSQLSGDFKTRPPMPLLKENTSDLNSRVCVKWVPKVPKEFAKGKEIDADGFKPIEQKVGDMILLPKALVITNDCAALDKYRRNDSDVQDITDYAIQEEVDDEAEDIERLAELRVAPHHSDVQDITDHAIQEEVDDEAEDIKRLAELRVAPHPFKG*