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Q41542

- XTH_WHEAT

UniProt

Q41542 - XTH_WHEAT

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Protein
Probable xyloglucan endotransglucosylase/hydrolase
Gene
XTH, EXT
Organism
Triticum aestivum (Wheat)
Status
Reviewed - 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.

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 – 1061Nucleophile By similarity
Active sitei110 – 1101Proton donor By similarity

GO - Molecular functioni

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

GO - Biological processi

  1. cellular glucan metabolic process Source: InterPro
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 (EC:2.4.1.207)
Gene namesi
Name:XTH
Synonyms:EXT
OrganismiTriticum aestivum (Wheat)
Taxonomic identifieri4565 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaPoalesPoaceaeBEP cladePooideaeTriticeaeTriticum
ProteomesiUP000019116: Unplaced

Organism-specific databases

GrameneiQ41542.

Subcellular locationi

Secretedcell wall Inferred. Secretedextracellular spaceapoplast Inferred

GO - Cellular componenti

  1. apoplast Source: UniProtKB-SubCell
  2. cell wall Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Apoplast, Cell wall, Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Signal peptidei1 – 2222 Reviewed prediction
Add
BLAST
Chaini23 – 293271Probable xyloglucan endotransglucosylase/hydrolase
PRO_0000011841Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Glycosylationi114 – 1141N-linked (GlcNAc...) Reviewed prediction

Post-translational modificationi

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

Keywords - PTMi

Disulfide bond, Glycoprotein

Proteomic databases

PRIDEiQ41542.

Structurei

3D structure databases

ProteinModelPortaliQ41542.
SMRiQ41542. Positions 27-293.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Signal

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.

Q41542-1 [UniParc]FASTAAdd to Basket

« Hide

MKATAGALLA VVAAVLLRGV AAAPRKPVDV PFDKNYVPTW AQDHIHYVNG    50
GREVQLSLDK TTGTGFQTRG SYLFGHFSMH IKLVGGDSAG TVTAFYLSSQ 100
NSEHDEIDFE FLGNRTGQPY ILQTNVFSGG KGDREQRIYL WFDPTKDYHS 150
YSVLWNLYMI AFFVDDTPIR VFKNSKDLGV RYPFDQPMKL YSSLWNADDW 200
ATRGGREKTD WSKAPFVASY RGFHVDGCEA SAEAKFCATQ GARWWDQPEF 250
QDLDAAQYRR LAWVRKEHTI YNYCTDHDRY AAMAPECKRD RDV 293
Length:293
Mass (Da):33,422
Last modified:November 1, 1996 - v1
Checksum:iFF21C732308DB446
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
D16457 mRNA. Translation: BAA03924.1.
PIRiE49539.
UniGeneiTa.54979.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
D16457 mRNA. Translation: BAA03924.1 .
PIRi E49539.
UniGenei Ta.54979.

3D structure databases

ProteinModelPortali Q41542.
SMRi Q41542. Positions 27-293.
ModBasei Search...
MobiDBi Search...

Protein family/group databases

CAZyi GH16. Glycoside Hydrolase Family 16.

Proteomic databases

PRIDEi Q41542.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Organism-specific databases

Gramenei Q41542.

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. "Molecular cloning and cDNA sequencing of endoxyloglucan transferase, a novel class of glycosyltransferase that mediates molecular grafting between matrix polysaccharides in plant cell walls."
    Okazawa K., Sato Y., Nakagawa T., Asada K., Kato I., Tomita E., Nishitani K.
    J. Biol. Chem. 268:25364-25368(1993) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].

Entry informationi

Entry nameiXTH_WHEAT
AccessioniPrimary (citable) accession number: Q41542
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 28, 2003
Last sequence update: November 1, 1996
Last modified: June 11, 2014
This is version 78 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

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

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