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Protein

Expansin-B3

Gene

EXPB3

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

Functioni

May cause loosening and extension of plant cell walls by disrupting non-covalent bonding between cellulose microfibrils and matrix glucans. No enzymatic activity has been found (By similarity).By similarity

GO - Biological processi

  • cell wall organization Source: UniProtKB-KW
  • sexual reproduction Source: InterPro
  • syncytium formation Source: TAIR

Keywordsi

Biological processCell wall biogenesis/degradation

Names & Taxonomyi

Protein namesi
Recommended name:
Expansin-B3
Short name:
At-EXPB3
Short name:
AtEXPB3
Alternative name(s):
Ath-ExpBeta-1.6
Beta-expansin-3
Gene namesi
Name:EXPB3
Ordered Locus Names:At4g28250
ORF Names:F26K10.130
OrganismiArabidopsis thaliana (Mouse-ear cress)
Taxonomic identifieri3702 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
Proteomesi
  • UP000006548 Componenti: Chromosome 4

Organism-specific databases

AraportiAT4G28250
TAIRilocus:2123643 AT4G28250

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

Cell wall, Membrane, Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 25Sequence analysisAdd BLAST25
ChainiPRO_000000870926 – 264Expansin-B3Add BLAST239

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Disulfide bondi57 ↔ 86PROSITE-ProRule annotation
Disulfide bondi89 ↔ 157PROSITE-ProRule annotation
Disulfide bondi94 ↔ 100PROSITE-ProRule annotation

Keywords - PTMi

Disulfide bond

Proteomic databases

PaxDbiQ9M0I2

Expressioni

Gene expression databases

ExpressionAtlasiQ9M0I2 baseline and differential
GenevisibleiQ9M0I2 AT

Interactioni

Protein-protein interaction databases

BioGridi14227, 6 interactors
IntActiQ9M0I2, 6 interactors
STRINGi3702.AT4G28250.1

Structurei

3D structure databases

ProteinModelPortaliQ9M0I2
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini54 – 162Expansin-like EG45PROSITE-ProRule annotationAdd BLAST109
Domaini175 – 256Expansin-like CBDPROSITE-ProRule annotationAdd BLAST82

Sequence similaritiesi

Belongs to the expansin family. Expansin B subfamily.Curated

Keywords - Domaini

Signal

Phylogenomic databases

eggNOGiENOG410IFMZ Eukaryota
ENOG410YA5Q LUCA
HOGENOMiHOG000220794
InParanoidiQ9M0I2
KOiK20628
OMAiEVIPRNW
OrthoDBiEOG09360IUM
PhylomeDBiQ9M0I2

Family and domain databases

Gene3Di2.40.40.10, 1 hit
2.60.40.760, 1 hit
InterProiView protein in InterPro
IPR007118 Expan_Lol_pI
IPR007112 Expansin/allergen_DPBB_dom
IPR007117 Expansin_CBD
IPR036749 Expansin_CBD_sf
IPR005795 LolPI
IPR009009 RlpA-like_DPBB
IPR036908 RlpA-like_sf
PfamiView protein in Pfam
PF03330 DPBB_1, 1 hit
PF01357 Pollen_allerg_1, 1 hit
PRINTSiPR01225 EXPANSNFAMLY
PR00829 LOLP1ALLERGN
SMARTiView protein in SMART
SM00837 DPBB_1, 1 hit
SUPFAMiSSF49590 SSF49590, 1 hit
SSF50685 SSF50685, 1 hit
PROSITEiView protein in PROSITE
PS50843 EXPANSIN_CBD, 1 hit
PS50842 EXPANSIN_EG45, 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: Q9M0I2-1) [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
MQLFPVMLAT LCIVLQLLIG SSALATTNRH VSNSHWLPAV ATWYGSPNGD
60 70 80 90 100
GSDGGACGYG TLVDVKPLHA RVGAVNPILF KNGEGCGACY KVRCLDKSIC
110 120 130 140 150
SRRAVTVIIT DECPGCSKTS THFDLSGAVF GRLAIAGESG PLRNRGLIPV
160 170 180 190 200
IYRRTACKYR GKNIAFHVNE GSTDFWLSLL VEFEDGEGDI GSMHIRQAGA
210 220 230 240 250
REWLEMKHVW GANWCIIGGP LKGPFSIKLT TLSAGKTLSA TDVVPRNWAP
260
KATYSSRLNF SPVL
Length:264
Mass (Da):28,425
Last modified:March 5, 2002 - v2
Checksum:i627A6AEA5127C716
GO

Sequence cautioni

The sequence CAB79627 differs from that shown. Reason: Erroneous gene model prediction.Curated

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AL161572 Genomic DNA Translation: CAB79627.1 Sequence problems.
CP002687 Genomic DNA Translation: AEE85458.1
AY039986 mRNA Translation: AAK64163.1
AY133801 mRNA Translation: AAM91735.1
RefSeqiNP_567803.1, NM_118965.4 [Q9M0I2-1]
UniGeneiAt.23110

Genome annotation databases

EnsemblPlantsiAT4G28250.1; AT4G28250.1; AT4G28250 [Q9M0I2-1]
GeneIDi828940
GrameneiAT4G28250.1; AT4G28250.1; AT4G28250 [Q9M0I2-1]
KEGGiath:AT4G28250

Keywords - Coding sequence diversityi

Alternative splicing

Similar proteinsi

Entry informationi

Entry nameiEXPB3_ARATH
AccessioniPrimary (citable) accession number: Q9M0I2
Entry historyiIntegrated into UniProtKB/Swiss-Prot: March 5, 2002
Last sequence update: March 5, 2002
Last modified: April 25, 2018
This is version 137 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

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