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Protein

bZIP transcription factor RISBZ1

Gene

RISBZ1

Organism
Oryza sativa subsp. japonica (Rice)
Status
Reviewed-Annotation score: Annotation score: 5 out of 5-Experimental evidence at protein leveli

Functioni

Transcriptional activator that binds to the DNA specific sequence 5'-TGAGTCA-3' found in seed storage protein gene promoters. Involved in the endosperm-specific regulation of storage protein genes (PubMed:15685292). Can activate the expression of genes encoding for the seed storage proteins glutelin, prolamin, globulin and the allergen RAG1. Functions synergistically with DOF3/RPBF to positively regulate quantitatively many seed storage protein genes (PubMed:16798940, PubMed:19473328). Functions synergistically with DOF3/RPBF to positively regulate some metabolic enzymes, such as alanine aminotransferase and pyruvate phosphate dikinase, that are expressed in developing seeds (PubMed:16798940). Functions synergistically with DOF3/RPBF to positively regulate genes that are key players in the development of aleurone layers (PubMed:19473328). Functions synergistically with DOF3/RPBF to positively regulate the glutelin GLUD-1 gene in endosperm of developing seeds (PubMed:18980953). Can activate the expression of the bifunctional lysine-degrading enzyme, lysine ketoglutarate reductase/saccharopine dehydrogenase (LKR/SDH), one of the key regulators determining free lysine content in plants (PubMed:21037241). Functions as a key regulator of starch synthesis in seeds, by direct binding to the promoters of starch-synthesizing genes, such as AGPL3, WAXXY and SBE1 (PubMed:23846875).6 Publications

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionActivator, DNA-binding
Biological processTranscription, Transcription regulation

Names & Taxonomyi

Protein namesi
Recommended name:
bZIP transcription factor RISBZ1Curated
Alternative name(s):
Rice seed bZIP1Curated
bZIP transcription factor 581 Publication
Short name:
OsbZIP581 Publication
Gene namesi
Name:RISBZ11 Publication
Synonyms:BZIP581 Publication
Ordered Locus Names:Os07g0182000Imported, LOC_Os07g08420Curated
ORF Names:OJ1014_E09.42Imported, OsJ_23334Imported
OrganismiOryza sativa subsp. japonica (Rice)
Taxonomic identifieri39947 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaPoalesPoaceaeBOP cladeOryzoideaeOryzeaeOryzinaeOryzaOryza sativa
Proteomesi
  • UP000059680 Componenti: Chromosome 7

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cell wall Cytoskeleton Vacuole Chloroplast Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertion Graphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

Nucleus

Pathology & Biotechi

Mutagenesis

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Mutagenesisi3H → R: Loss of transactivation activity. 1 Publication1
Mutagenesisi6A → S: Loss of transactivation activity. 1 Publication1
Mutagenesisi8D → E: Slight decrease of transactivation activity. 1 Publication1
Mutagenesisi11P → S: Loss of transactivation activity. 1 Publication1
Mutagenesisi14L → F: Loss of transactivation activity. 1 Publication1
Mutagenesisi16A → V: Loss of transactivation activity. 1 Publication1
Mutagenesisi21V → P: Loss of transactivation activity. 1 Publication1
Mutagenesisi23P → S: Loss of transactivation activity. 1 Publication1

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00004412221 – 436bZIP transcription factor RISBZ1Add BLAST436

Expressioni

Tissue specificityi

Specifically expressed in seeds. Expressed in aleurone and subaleurone layers of maturing seeds, but not in the embryo tissues.1 Publication

Developmental stagei

Expressed in developing seeds from 5 to 20 days after flowering (DAF).1 Publication

Interactioni

Subunit structurei

Homodimer. Forms heterodimers with RISBZ2/BZP33 and RISBZ3/BZP20 (PubMed:11133985). Interacts with DOF3/RPBF (PubMed:19473328).2 Publications

Protein-protein interaction databases

STRINGi39947.LOC_Os07g08420.1.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini236 – 299bZIPPROSITE-ProRule annotationAdd BLAST64

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni1 – 27Required for transactivation activity1 PublicationAdd BLAST27
Regioni238 – 257Basic motifPROSITE-ProRule annotationAdd BLAST20
Regioni264 – 278Leucine-zipperPROSITE-ProRule annotationAdd BLAST15

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Compositional biasi62 – 116Ala-richPROSITE-ProRule annotationAdd BLAST55

Phylogenomic databases

OMAiNMILDEE.
OrthoDBiEOG09360F1K.

Family and domain databases

InterProiView protein in InterPro
IPR020983. Basic_leucine-zipper_C.
IPR004827. bZIP.
PfamiView protein in Pfam
PF00170. bZIP_1. 1 hit.
PF12498. bZIP_C. 1 hit.
SMARTiView protein in SMART
SM00338. BRLZ. 1 hit.
PROSITEiView protein in PROSITE
PS50217. BZIP. 1 hit.

Sequencei

Sequence statusi: Complete.

Q6ZLB0-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MEHVFAVDEI PDPLWAPPPP VQPAAAAGVD DVGAVSGGGL LERCPSGWNL
60 70 80 90 100
ERFLEELDGV PAPAASPDGA AIYPSPMPAA AAEAAARWSR GYGDREAVGV
110 120 130 140 150
MPMPAAALPA APASAAMDPV EYNAMLKRKL DEDLATVAMW RASGAIHSES
160 170 180 190 200
PLGNKTSLSI VGSILSSQKC IEGNGILVQT KLSPGPNGGS GPYVNQNTDA
210 220 230 240 250
HAKQATSGSS REPSPSEDDD MEGDAEAMGN MILDEEDKVK KRKESNRESA
260 270 280 290 300
RRSRSRKAAR LKDLEEQVSL LRVENSSLLR RLADANQKYS AAAIDNRVLM
310 320 330 340 350
ADIEALRAKV RMAEESVKMV TGARQLHQAI PDMQSPLNVN SDASVPIQNN
360 370 380 390 400
NPMNYFSNAN NAGVNSFMHQ VSPAFQIVDS VEKIDPTDPV QLQQQQMASL
410 420 430
QHLQNRACGG GASSNEYTAW GSSLMDANEL VNMELQ
Length:436
Mass (Da):46,491
Last modified:July 5, 2004 - v1
Checksum:i7C0F08A4040E3960
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AB053472 mRNA. Translation: BAB39173.1.
AB053475 Genomic DNA. Translation: BAB39176.1.
AP003800 Genomic DNA. Translation: BAC83055.1.
AP008213 Genomic DNA. Translation: BAF20962.1.
AP014963 Genomic DNA. Translation: BAT00329.1.
CM000144 Genomic DNA. Translation: EEE66684.1.
RefSeqiXP_015645416.1. XM_015789930.1.
UniGeneiOs.1501.

Genome annotation databases

EnsemblPlantsiOS07T0182000-01; OS07T0182000-01; OS07G0182000.
GeneIDi4342570.
GrameneiOS07T0182000-01; OS07T0182000-01; OS07G0182000.
KEGGiosa:4342570.

Similar proteinsi

Entry informationi

Entry nameiRSBZ1_ORYSJ
AccessioniPrimary (citable) accession number: Q6ZLB0
Secondary accession number(s): Q9AR01
Entry historyiIntegrated into UniProtKB/Swiss-Prot: August 30, 2017
Last sequence update: July 5, 2004
Last modified: September 27, 2017
This is version 106 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Oryza sativa (rice)
    Index of Oryza sativa entries and their corresponding gene designations