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Protein

Nuclear transcription factor Y subunit B-1

Gene

NFYB1

Organism
Arabidopsis thaliana (Mouse-ear cress)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Component of the NF-Y/HAP transcription factor complex. The NF-Y complex stimulates the transcription of various genes by recognizing and binding to a CCAAT motif in promoters.

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
DNA bindingi26 – 32By similarity7

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionActivator, DNA-binding
Biological processTranscription, Transcription regulation

Names & Taxonomyi

Protein namesi
Recommended name:
Nuclear transcription factor Y subunit B-1
Short name:
AtNF-YB-1
Alternative name(s):
Transcriptional activator HAP3A
Gene namesi
Name:NFYB1
Synonyms:HAP3A
Ordered Locus Names:At2g38880
ORF Names:T7F6.5
OrganismiArabidopsis thaliana (Mouse-ear cress)
Taxonomic identifieri3702 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
Proteomesi
  • UP000006548 Componenti: Chromosome 2

Organism-specific databases

AraportiAT2G38880

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

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Initiator methionineiRemovedCombined sources
ChainiPRO_00002046152 – 141Nuclear transcription factor Y subunit B-1Add BLAST140

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei2N-acetylalanineCombined sources1

Keywords - PTMi

Acetylation

Proteomic databases

PRIDEiQ9SLG0

PTM databases

iPTMnetiQ9SLG0

Expressioni

Tissue specificityi

Ubiquitous. Predominantly expressed in leaves, flowers and siliques.2 Publications

Gene expression databases

ExpressionAtlasiQ9SLG0 baseline and differential
GenevisibleiQ9SLG0 AT

Interactioni

Subunit structurei

Heterotrimeric transcription factor composed of three components, NF-YA, NF-YB and NF-YC. NF-YB and NF-YC must interact and dimerize for NF-YA association and DNA binding (By similarity).By similarity

Binary interactionsi

Show more details

GO - Molecular functioni

Protein-protein interaction databases

BioGridi3812, 15 interactors
IntActiQ9SLG0, 15 interactors

Structurei

3D structure databases

ProteinModelPortaliQ9SLG0
SMRiQ9SLG0
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni53 – 64Subunit association domain (SAD)By similarityAdd BLAST12

Sequence similaritiesi

Belongs to the NFYB/HAP3 subunit family.Curated

Phylogenomic databases

HOGENOMiHOG000211832
InParanoidiQ9SLG0
PhylomeDBiQ9SLG0

Family and domain databases

Gene3Di1.10.20.10, 1 hit
InterProiView protein in InterPro
IPR003958 CBFA_NFYB_domain
IPR009072 Histone-fold
IPR003956 Transcrpt_fac_NFYB/HAP3_CS
PfamiView protein in Pfam
PF00808 CBFD_NFYB_HMF, 1 hit
SUPFAMiSSF47113 SSF47113, 1 hit
PROSITEiView protein in PROSITE
PS00685 NFYB_HAP3, 1 hit

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

This entry describes 1 isoform i produced by alternative splicing. AlignAdd to basket

Note: A number of isoforms are produced. According to EST sequences.
Isoform 1 (identifier: Q9SLG0-1) [UniParc]FASTAAdd to basket

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide

        10         20         30         40         50
MADTPSSPAG DGGESGGSVR EQDRYLPIAN ISRIMKKALP PNGKIGKDAK
60 70 80 90 100
DTVQECVSEF ISFITSEASD KCQKEKRKTV NGDDLLWAMA TLGFEDYLEP
110 120 130 140
LKIYLARYRE LEGDNKGSGK SGDGSNRDAG GGVSGEEMPS W
Length:141
Mass (Da):15,181
Last modified:June 1, 2002 - v2
Checksum:iD33060B5AD21D9E0
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
Y13723 mRNA Translation: CAA74051.1
AC005770 Genomic DNA Translation: AAC79602.2
CP002685 Genomic DNA Translation: AEC09598.1
CP002685 Genomic DNA Translation: AEC09600.1
CP002685 Genomic DNA Translation: AEC09602.1
BT004266 mRNA Translation: AAO42268.1
BT005536 mRNA Translation: AAO63956.1
AY088554 mRNA Translation: AAM66086.1
PIRiE84810
RefSeqiNP_001031511.1, NM_001036434.2 [Q9SLG0-1]
NP_030436.1, NM_129445.3 [Q9SLG0-1]
NP_850304.2, NM_179973.4 [Q9SLG0-1]
UniGeneiAt.24820

Genome annotation databases

EnsemblPlantsiAT2G38880.1; AT2G38880.1; AT2G38880 [Q9SLG0-1]
AT2G38880.2; AT2G38880.2; AT2G38880 [Q9SLG0-1]
AT2G38880.5; AT2G38880.5; AT2G38880 [Q9SLG0-1]
GeneIDi818472
GrameneiAT2G38880.1; AT2G38880.1; AT2G38880 [Q9SLG0-1]
AT2G38880.2; AT2G38880.2; AT2G38880 [Q9SLG0-1]
AT2G38880.5; AT2G38880.5; AT2G38880 [Q9SLG0-1]
KEGGiath:AT2G38880

Keywords - Coding sequence diversityi

Alternative splicing

Similar proteinsi

Entry informationi

Entry nameiNFYB1_ARATH
AccessioniPrimary (citable) accession number: Q9SLG0
Secondary accession number(s): O23633
Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 8, 2005
Last sequence update: June 1, 2002
Last modified: April 25, 2018
This is version 126 of the entry and version 2 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. Arabidopsis thaliana
    Arabidopsis thaliana: entries and gene names
  2. SIMILARITY comments
    Index of protein domains and families

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