Information report for Cla007982
Gene Details
Functional Annotation
- Refseq: XP_008445646.1 — PREDICTED: transcription factor HBP-1b(c38) isoform X2
- Swissprot: Q9SX27 — PAN_ARATH; Transcription factor PERIANTHIA
- TrEMBL: A0A1S3BDX1 — A0A1S3BDX1_CUCME; transcription factor HBP-1b(C38) isoform X2
- STRING: XP_008445645.1 — (Cucumis melo)
- STRING: XP_004150536.1 — (Cucumis sativus)
- GO:0006355 — Biological Process — regulation of transcription, DNA-templated
- GO:0009909 — Biological Process — regulation of flower development
- GO:0005634 — Cellular Component — nucleus
- 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
- Cucumis melo: MELO3C011550P1, MELO3C011550
- Cucumis sativus: CsGy6G003160, Cucsa.365420.1
- Gossypium arboreum: Cotton_A_28674_BGI-A2_v1.0
- Gossypium hirsutum: Gh_D12G1679, Gh_A12G1545, Gohir.A12G169200
- Manihot esculenta: Manes.14G099100.1.p, MANES_14G099100
- Populus trichocarpa: Potri.008G118300.1, POPTR_008G118300v3
- Prunus avium: Pav_sc0000567.1_g900.1.mk
- Vitis vinifera: GSVIVT01011929001, VIT_01s0011g03230
- Ziziphus jujuba: XP_015895683.1, XP_015895682.1
Sequences
CDS Sequence:
- >Cla007982|Citrullus_lanatus|bZIP|Cla007982
ATGCAGAGCTTTGAAAACCCAGAACAGTTCTATGCCCATTCTTCTTCTTCTTCTTCAATTTTTCTTCGGGGAGACGACAGTGGGCGATTCCATACGCGTTTTCTTCCGGATATTGAGGAACTTCAACAATCAGCTGCTGCTATTGCTGCTTTTCATCAAGATGATGCTGTTGATTTAAGCCCAAGCTCTGTTTTCAGTTTAAAATCGACCCACAATACAGCTTTTCCAATCTACCTACCATACGGGAATACGGATGTGGGTTCAATAGGAAGAACAGGGTATTTGGACACAGGACAGGAATTGATGCGGTTGAAGAGGCTGGCTCCGCCGCAGTCGGTGGCGGTGACGGTGGCAGCTTCGTCATCGTTGGGAAACGGGAGCTTTGAGAACTGGGGAGAGTCAGCCATGGCAGATAATAGCCAGCAGACTGACACTTCTACAGACATCGACACTGATGAACGAAACCAGTTTCAAGGAGCTGCACATGGAGCTCTCATGGCGGTGGACTCCATGGATCAATCAAAACCAAAATCTGCAGATCAGAAGACTCTTCGTAGACTTGCTCAGAATCGAGAAGCAGCCAGGAAGAGTCGACTGAGGAAGAAAGCATATGTCCAGCAGCTGGAAAATAGTCGACAGAGGCTTGCACAGCTAGAGCAGGAGCTTCATCGAGCACGCCAACAGGGCATTTTTGTGGCTTCCGGGGCAGGAGATCATTGTGCATCAATGGCAGGAAATGGTGCATTGGCATTTGATCTCGACTATGCACGTTGGCTTGACGAGCATCAACGGCTGATCAATGATTTGAGAGCATCTGCAAATTCTCAGTTGGGGGACGACGAATTGAGATTTCTTGTTGATGGGGTGATGGCACATTATGACGAACTCTTCAAGCTGAAAAGTGTAGGTGCTAAGGCCGATGTATTCCACATTCTTTCGGGCATGTGGAAGACTCCTGCTGAGAGGTGTTTCATGTGGCTGGGAGGATTCCGTTCATCCGAGCTTCTAAAGATAGTAGGGAGCCATTTGGAGCCTCTAACAGATCAGCAGTTGATGGGTATCTGCAATTTGCAGCAATCTTCCCAACAAGCTGAAGATGCATTGTCGCAAGGAATTGAAGCTTTGCAACAATCTCTTGTAGAAACTCTTTCCACTGCTTCTTTAGGTCCAGCCAGTTCAGGAAATGTTGCTGATTACATGGGCCAAATGGCAATCGCGATGAGCAAGCTAACAACGCTCGAGAACTTTCTACATCAGGCGGATCTTCTGAGGCAGCAAACACTCCAACAGATGCATCGGATATTAACTACTCGTCAAGCTGCACGAGCGCTTCTTGTGATCAGCGATTACATTTCACGTCTTCGAGCTCTCAGTTCTCTGTGGTTAGCACGGCCGAGAGACTGA
Protein Sequence:
- >Cla007982|Citrullus_lanatus|bZIP|Cla007982
MQSFENPEQFYAHSSSSSSIFLRGDDSGRFHTRFLPDIEELQQSAAAIAAFHQDDAVDLSPSSVFSLKSTHNTAFPIYLPYGNTDVGSIGRTGYLDTGQELMRLKRLAPPQSVAVTVAASSSLGNGSFENWGESAMADNSQQTDTSTDIDTDERNQFQGAAHGALMAVDSMDQSKPKSADQKTLRRLAQNREAARKSRLRKKAYVQQLENSRQRLAQLEQELHRARQQGIFVASGAGDHCASMAGNGALAFDLDYARWLDEHQRLINDLRASANSQLGDDELRFLVDGVMAHYDELFKLKSVGAKADVFHILSGMWKTPAERCFMWLGGFRSSELLKIVGSHLEPLTDQQLMGICNLQQSSQQAEDALSQGIEALQQSLVETLSTASLGPASSGNVADYMGQMAIAMSKLTTLENFLHQADLLRQQTLQQMHRILTTRQAARALLVISDYISRLRALSSLWLARPRD