Information report for Lsa006591
Gene Details
Functional Annotation
- Refseq: XP_023734750.1 — protein ABSCISIC ACID-INSENSITIVE 5
- Swissprot: Q9SJN0 — ABI5_ARATH; Protein ABSCISIC ACID-INSENSITIVE 5
- TrEMBL: A0A2J6KDE1 — A0A2J6KDE1_LACSA; Uncharacterized protein
- STRING: Solyc09g009490.2.1 — (Solanum lycopersicum)
- 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
- Citrullus lanatus: Cla017696
- Cucumis sativus: Cucsa.241090.1
- Juglans regia: WALNUT_00019607-RA
- Nicotiana benthamiana: Niben101Scf07778g03025.1, Niben101Scf02917g00002.1
- Nicotiana tabacum: XP_016459063.1, XP_016434322.1, XP_016434321.1
- Petunia inflata: Peinf101Scf00921g03005.1
- Prunus persica: Prupe.7G112200.3.p
- Pyrus bretschneideri: Pbr017778.1, Pbr007589.1
- Sesamum indicum: XP_011094356.1, XP_011094355.1, XP_011077930.1
- Solanum lycopersicum: Solyc09g009490.2.1
- Solanum melongena: Sme2.5_03354.1_g00006.1
- Solanum tuberosum: PGSC0003DMP400004764
- Ziziphus jujuba: XP_015898750.1, XP_015898749.1, XP_015898748.1, XP_015898747.1
Sequences
CDS Sequence:
- >Lsa006591|Lactuca_sativa|bZIP|gnl|UG|Lsa#S58689385
ATGTCTCCCGGTGAAGTTGAATCCCCATTGCAGTCCGCCGATCAAAATCAGTCTCGAAATAATAATGTCCAAAATACCCTTGTGCCACAGCTGGGTCGCCAATCTTCCATCTATTCTCTCACTTTAGATGAGTTTCAACACACTCTTTGCGAAAGTGGAAAGAATTTTGGTTCAATGAACATGGATGAGTTCCTCAACAGCATTTGGACAGCTGAAGAAAACCAGGCTCATGGACAAGCCGCCCATCCTCCAGCTGCCGCCACTTCCACCACTCCGGCCGCCATGGCTACTAATGGTGGCGCAACCAGTAGCGGACAGTTCTTGATGGGACTCAACACTAGTTCAGCCGAACAGAATATGATGGTTAAGCAACACAGCTTGCCTAGACAAGGCTCCTTAACTCTTCCGGGACCACTCTCCCGTAAAACCGTCGATGAAGTCTGGTCGGAGATACAAAAGACACAACATGAACACCAACAAGAGAGAAATAACTCCGGCAATGCTCAAGTTCCCGGGTCAGCCCAGCGTCAGCCTACTTATGGTGAAATGACTCTTGAGGATTTCTTAGTGAAGGCGGGGGTAGTTCGGGAACAGAACCATTCGAATGCTCCACCAGTTCAGCAGCAACCGCCGCCACCTTTTGGGTTGTACCCGAACGGAAACAACCGTGTCGTTGGTCCTCCGCCTGGGTCAGCTCACATGGGAAGACCTGTTACCGCTATCCCACCATACTCTCCGCTCATTAGGGAAGCGCCAGGGTACCCCGGAGGTGGAAAACGAAGCAGCACCTATCAACCGCAGCCGATTTCATGTTACGGAGGTATGGTTGGAAATGGAGGTGGTTATGGGCAGGGATTAGGGATGGGGTCTCCGGTGAGCCCAGTGTCTTCCGACGGGATTACCACCAGTCAGCTCGATGGCGGGAATCAGTACGGCATGGATATGGGCGGCATGAGGGGCGGACGGAAGCGGATAATCGATGGTCCGGTGGAGAAAGTGGTGGAAAGGAGACAAAGAAGGATGATAAAAAACCGAGAATCTGCTGCAAGGTCTCGAGCTAGAAAACAGGCTTACACAGTAGAATTAGAGGCAGAATTGAACATGTTGAAAGAGGAGAATGCTCAACTTAAACAAGCTCTGGCAGAATTAGAAAGAAAAAGAACGCAACAGGTTTTTGAAGAAATGAGAATGAAAACACTACCAAAAGCTCAAAAGACGAAAGAGAAGTTGAGGGTGTTGAGGAGAAGCTCGAGTTGTCCACCGTGA
Protein Sequence:
- >Lsa006591|Lactuca_sativa|bZIP|gnl|UG|Lsa#S58689385
MSPGEVESPLQSADQNQSRNNNVQNTLVPQLGRQSSIYSLTLDEFQHTLCESGKNFGSMNMDEFLNSIWTAEENQAHGQAAHPPAAATSTTPAAMATNGGATSSGQFLMGLNTSSAEQNMMVKQHSLPRQGSLTLPGPLSRKTVDEVWSEIQKTQHEHQQERNNSGNAQVPGSAQRQPTYGEMTLEDFLVKAGVVREQNHSNAPPVQQQPPPPFGLYPNGNNRVVGPPPGSAHMGRPVTAIPPYSPLIREAPGYPGGGKRSSTYQPQPISCYGGMVGNGGGYGQGLGMGSPVSPVSSDGITTSQLDGGNQYGMDMGGMRGGRKRIIDGPVEKVVERRQRRMIKNRESAARSRARKQAYTVELEAELNMLKEENAQLKQALAELERKRTQQVFEEMRMKTLPKAQKTKEKLRVLRRSSSCPP