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Protein

Probable xyloglucan endotransglucosylase/hydrolase protein B

Gene

XTHB

Organism
Phaseolus angularis (Azuki bean) (Vigna angularis)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Experimental evidence at transcript leveli

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 sitei106 – 1061NucleophilePROSITE-ProRule annotation
Active sitei110 – 1101Proton donorPROSITE-ProRule annotation

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Glycosidase, Hydrolase, Transferase

Keywords - Biological processi

Cell wall biogenesis/degradation

Protein family/group databases

CAZyiGH16. Glycoside Hydrolase Family 16.

Names & Taxonomyi

Protein namesi
Recommended name:
Probable xyloglucan endotransglucosylase/hydrolase protein B (EC:2.4.1.207)
Alternative name(s):
VaXTH2
Gene namesi
Name:XTHB
Synonyms:XTH2
OrganismiPhaseolus angularis (Azuki bean) (Vigna angularis)
Taxonomic identifieri3914 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsfabidsFabalesFabaceaePapilionoideaePhaseoleaeVigna

Subcellular locationi

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Apoplast, Cell wall, Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Signal peptidei1 – 2121Sequence AnalysisAdd
BLAST
Chaini22 – 293272Probable xyloglucan endotransglucosylase/hydrolase protein BPRO_0000011838Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Glycosylationi114 – 1141N-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

Expressioni

Tissue specificityi

Predominantly expressed in the phloem fibers of growing internodes. Weakly or not expressed in the xylem. In the internode, it is expressed closer to the bottom of the internode compared to XTHA.1 Publication

Inductioni

Up-regulated by indole-3-acetic acid (IAA). Effect of IAA is not affected by mannitol. Not up-regulated by fusicoccin.1 Publication

Structurei

3D structure databases

ProteinModelPortaliQ8LNZ5.
SMRiQ8LNZ5. Positions 27-293.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Signal

Family and domain databases

Gene3Di2.60.120.200. 1 hit.
InterProiIPR013320. ConA-like_dom.
IPR000757. Glyco_hydro_16.
IPR008263. Glycoside_hydrolase_16_AS.
IPR010713. XET_C.
IPR016455. XTH.
[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.

Q8LNZ5-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MASSLLILCL VLVSLASSAL CAAPRRPVDV PFGRNYIPTW AFDHIKYFNG
60 70 80 90 100
GSEIQLHLDK YTGTGFQTKG SYLFGHFSMN IKMVPGDSAG TVTAFCLSSQ
110 120 130 140 150
NAEHDEIDFE FLGNRTGQPY ILQTNVFTGG KGDREQRIYL WFDPTKAYHR
160 170 180 190 200
YSVLWNMYQI VFLVDNIPIR VFKNLKELGV KFPFNQPMKV YNSLWNADDW
210 220 230 240 250
ATRGGLEKTD WSKAPFVAEY KGFHVDGCEA SVNSRFCATQ GKRWWDQTEF
260 270 280 290
RDLDSFQWRR LKWVRQKFTI YNYCTDRTRY PQLPPECRRN RDI
Length:293
Mass (Da):34,096
Last modified:October 1, 2002 - v1
Checksum:iBD2FA9A049211CD5
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AB086396 Genomic DNA. Translation: BAC03238.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AB086396 Genomic DNA. Translation: BAC03238.1.

3D structure databases

ProteinModelPortaliQ8LNZ5.
SMRiQ8LNZ5. Positions 27-293.
ModBaseiSearch...
MobiDBiSearch...

Protein family/group databases

CAZyiGH16. Glycoside Hydrolase Family 16.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Family and domain databases

Gene3Di2.60.120.200. 1 hit.
InterProiIPR013320. ConA-like_dom.
IPR000757. Glyco_hydro_16.
IPR008263. Glycoside_hydrolase_16_AS.
IPR010713. XET_C.
IPR016455. XTH.
[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]
ProtoNetiSearch...

Publicationsi

  1. "Two azuki bean XTH genes, VaXTH1 and VaXTH2, with similar tissue-specific expression profiles, are differently regulated by auxin."
    Nakamura T., Yokoyama R., Tomita E., Nishitani K.
    Plant Cell Physiol. 44:16-24(2003) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA], TISSUE SPECIFICITY, INDUCTION.
    Strain: cv. Takara Wase.

Entry informationi

Entry nameiXTHB_PHAAN
AccessioniPrimary (citable) accession number: Q8LNZ5
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 28, 2003
Last sequence update: October 1, 2002
Last modified: July 22, 2015
This is version 68 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.