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Q9ZV40

- XTH21_ARATH

UniProt

Q9ZV40 - XTH21_ARATH

Protein

Probable xyloglucan endotransglucosylase/hydrolase protein 21

Gene

XTH21

Organism
Arabidopsis thaliana (Mouse-ear cress)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at transcript leveli
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    • History
      Entry version 106 (01 Oct 2014)
      Sequence version 1 (01 May 1999)
      Previous versions | rss
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    Functioni

    Catalyzes xyloglucan endohydrolysis (XEH) and/or endotransglycosylation (XET). Cleaves and religates xyloglucan polymers, an essential constituent of the primary cell wall, and thereby participates in cell wall construction of growing tissues By similarity.By similarity

    Catalytic activityi

    Breaks a beta-(1->4) bond in the backbone of a xyloglucan and transfers the xyloglucanyl segment on to O-4 of the non-reducing terminal glucose residue of an acceptor, which can be a xyloglucan or an oligosaccharide of xyloglucan.

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Active sitei102 – 1021NucleophilePROSITE-ProRule annotation
    Active sitei106 – 1061Proton donorPROSITE-ProRule annotation

    GO - Molecular functioni

    1. hydrolase activity, hydrolyzing O-glycosyl compounds Source: InterPro
    2. xyloglucan:xyloglucosyl transferase activity Source: UniProtKB-EC
    3. xyloglucan endotransglucosylase activity Source: TAIR

    GO - Biological processi

    1. cellular glucan metabolic process Source: InterPro
    2. cell wall modification Source: TAIR
    3. primary root development Source: TAIR

    Keywords - Molecular functioni

    Glycosidase, Hydrolase, Transferase

    Keywords - Biological processi

    Cell wall biogenesis/degradation

    Enzyme and pathway databases

    BioCyciARA:AT2G18800-MONOMER.

    Protein family/group databases

    CAZyiGH16. Glycoside Hydrolase Family 16.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Probable xyloglucan endotransglucosylase/hydrolase protein 21 (EC:2.4.1.207)
    Short name:
    At-XTH21
    Short name:
    XTH-21
    Gene namesi
    Name:XTH21
    Synonyms:XTR17
    Ordered Locus Names:At2g18800
    ORF Names:MSF3.18
    OrganismiArabidopsis thaliana (Mouse-ear cress)
    Taxonomic identifieri3702 [NCBI]
    Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
    ProteomesiUP000006548: Chromosome 2

    Organism-specific databases

    TAIRiAT2G18800.

    Subcellular locationi

    GO - Cellular componenti

    1. apoplast Source: UniProtKB-SubCell
    2. cell wall Source: UniProtKB-SubCell

    Keywords - Cellular componenti

    Apoplast, Cell wall, Secreted

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Signal peptidei1 – 2525Sequence AnalysisAdd
    BLAST
    Chaini26 – 305280Probable xyloglucan endotransglucosylase/hydrolase protein 21PRO_0000011821Add
    BLAST

    Amino acid modifications

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Glycosylationi46 – 461N-linked (GlcNAc...)Sequence Analysis
    Glycosylationi110 – 1101N-linked (GlcNAc...)Sequence Analysis
    Glycosylationi146 – 1461N-linked (GlcNAc...)Sequence Analysis
    Glycosylationi206 – 2061N-linked (GlcNAc...)Sequence Analysis
    Glycosylationi231 – 2311N-linked (GlcNAc...)Sequence Analysis

    Post-translational modificationi

    Contains at least one intrachain disulfide bond essential for its enzymatic activity.By similarity

    Keywords - PTMi

    Disulfide bond, Glycoprotein

    Proteomic databases

    PaxDbiQ9ZV40.
    PRIDEiQ9ZV40.

    Expressioni

    Tissue specificityi

    Predominantly expressed in green siliques.1 Publication

    Inductioni

    Down-regulated by auxin.1 Publication

    Gene expression databases

    GenevestigatoriQ9ZV40.

    Interactioni

    Protein-protein interaction databases

    STRINGi3702.AT2G18800.1-P.

    Structurei

    3D structure databases

    ProteinModelPortaliQ9ZV40.
    SMRiQ9ZV40. Positions 28-296.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Sequence similaritiesi

    Keywords - Domaini

    Signal

    Phylogenomic databases

    eggNOGiCOG2273.
    HOGENOMiHOG000236368.
    InParanoidiQ9ZV40.
    KOiK08235.
    OMAiYNSENAC.
    PhylomeDBiQ9ZV40.

    Family and domain databases

    Gene3Di2.60.120.200. 1 hit.
    InterProiIPR008985. ConA-like_lec_gl_sf.
    IPR013320. ConA-like_subgrp.
    IPR000757. Glyco_hydro_16.
    IPR008263. Glycoside_hydrolase_16_AS.
    IPR016455. XET.
    IPR010713. XET_C.
    [Graphical view]
    PfamiPF00722. Glyco_hydro_16. 1 hit.
    PF06955. XET_C. 1 hit.
    [Graphical view]
    PIRSFiPIRSF005604. XET. 1 hit.
    SUPFAMiSSF49899. SSF49899. 1 hit.
    PROSITEiPS01034. GLYCOSYL_HYDROL_F16. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

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

    Q9ZV40-1 [UniParc]FASTAAdd to Basket

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    MVSSTLLVMS ISLFLGLSIL LVVHGKDFNQ DIDITWGDGR GNILNNGTLL    50
    NLGLDQSSGS GFQSKAEYLY GKVDMQIKLV PGNSAGTVTT FYLKSQGLTW 100
    DEIDFEFLGN VSGDPYIVHT NVYTQGKGDR EQQFYLWFDP TAAFHNYSIL 150
    WNPSHIVFYI DGKPIREFKN LEVLGVAYPK NQPMRMYGSL WNADDWATRG 200
    GLVKTNWSQG PFVASFMNYN SENACVWSIV NGTTTTSPCS PGDSTSSSSS 250
    STSEWFSQRG MDSSSKKVLR WVQRKFMVYN YCKDKKRFSN GLPVECTAKN 300
    KNTKS 305
    Length:305
    Mass (Da):34,145
    Last modified:May 1, 1999 - v1
    Checksum:i9B4BD59F25FA6DC7
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AC005724 Genomic DNA. Translation: AAD08949.1.
    CP002685 Genomic DNA. Translation: AEC06809.1.
    PIRiG84568.
    RefSeqiNP_179470.1. NM_127436.1.
    UniGeneiAt.39941.

    Genome annotation databases

    EnsemblPlantsiAT2G18800.1; AT2G18800.1; AT2G18800.
    GeneIDi816395.
    KEGGiath:AT2G18800.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AC005724 Genomic DNA. Translation: AAD08949.1 .
    CP002685 Genomic DNA. Translation: AEC06809.1 .
    PIRi G84568.
    RefSeqi NP_179470.1. NM_127436.1.
    UniGenei At.39941.

    3D structure databases

    ProteinModelPortali Q9ZV40.
    SMRi Q9ZV40. Positions 28-296.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 3702.AT2G18800.1-P.

    Protein family/group databases

    CAZyi GH16. Glycoside Hydrolase Family 16.

    Proteomic databases

    PaxDbi Q9ZV40.
    PRIDEi Q9ZV40.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblPlantsi AT2G18800.1 ; AT2G18800.1 ; AT2G18800 .
    GeneIDi 816395.
    KEGGi ath:AT2G18800.

    Organism-specific databases

    TAIRi AT2G18800.

    Phylogenomic databases

    eggNOGi COG2273.
    HOGENOMi HOG000236368.
    InParanoidi Q9ZV40.
    KOi K08235.
    OMAi YNSENAC.
    PhylomeDBi Q9ZV40.

    Enzyme and pathway databases

    BioCyci ARA:AT2G18800-MONOMER.

    Gene expression databases

    Genevestigatori Q9ZV40.

    Family and domain databases

    Gene3Di 2.60.120.200. 1 hit.
    InterProi IPR008985. ConA-like_lec_gl_sf.
    IPR013320. ConA-like_subgrp.
    IPR000757. Glyco_hydro_16.
    IPR008263. Glycoside_hydrolase_16_AS.
    IPR016455. XET.
    IPR010713. XET_C.
    [Graphical view ]
    Pfami PF00722. Glyco_hydro_16. 1 hit.
    PF06955. XET_C. 1 hit.
    [Graphical view ]
    PIRSFi PIRSF005604. XET. 1 hit.
    SUPFAMi SSF49899. SSF49899. 1 hit.
    PROSITEi PS01034. GLYCOSYL_HYDROL_F16. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: cv. Columbia.
    2. The Arabidopsis Information Resource (TAIR)
      Submitted (APR-2011) to the EMBL/GenBank/DDBJ databases
      Cited for: GENOME REANNOTATION.
      Strain: cv. Columbia.
    3. "A comprehensive expression analysis of all members of a gene family encoding cell-wall enzymes allowed us to predict cis-regulatory regions involved in cell-wall construction in specific organs of Arabidopsis."
      Yokoyama R., Nishitani K.
      Plant Cell Physiol. 42:1025-1033(2001) [PubMed] [Europe PMC] [Abstract]
      Cited for: TISSUE SPECIFICITY, INDUCTION.
    4. "The XTH family of enzymes involved in xyloglucan endotransglucosylation and endohydrolysis: current perspectives and a new unifying nomenclature."
      Rose J.K.C., Braam J., Fry S.C., Nishitani K.
      Plant Cell Physiol. 43:1421-1435(2002) [PubMed] [Europe PMC] [Abstract]
      Cited for: NOMENCLATURE.

    Entry informationi

    Entry nameiXTH21_ARATH
    AccessioniPrimary (citable) accession number: Q9ZV40
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: November 28, 2003
    Last sequence update: May 1, 1999
    Last modified: October 1, 2014
    This is version 106 of the entry and version 1 of the sequence. [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. Glycosyl hydrolases
      Classification of glycosyl hydrolase families and list of entries
    3. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3