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Information on EC 2.4.1.207 - xyloglucan:xyloglucosyl transferase and Organism(s) Nicotiana tabacum and UniProt Accession P93349
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2.4.1.207 xyloglucan:xyloglucosyl transferaseIUBMB Comments
Does not use cello-oligosaccharides as either donor or acceptor.
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Word Map
- 2.4.1.207
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committee
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satisfaction
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cavernous
The taxonomic range for the selected organisms is: Nicotiana tabacum
The expected taxonomic range for this enzyme is: Eukaryota, Bacteria
The expected taxonomic range for this enzyme is: Eukaryota, Bacteria
Reaction Schemes
2
=
+
2
=
+
Synonyms
sixth, xyloglucan endotransglycosylase, xyloglucan endotransglucosylase/hydrolase, xyloglucan endotransglucosylase, xyloglucan endotransglycosylase/hydrolase, xth31, xyloglucan endo-transglycosylase, atxth21, xth33, xth19, 
more
topSYNONYM 
ORGANISM
UNIPROT
COMMENTARY 
LITERATURE
endo-xyloglucan transferase
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endoxyloglucan transferase
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EXGT
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EXT
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GenBank L46792-derived protein GI 950299
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GenBank X93173-derived protein GI 1890573
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GenBank X93174-derived protein GI 1890575
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Genbank X93175-derived protein GI 1890577
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GenBank Z97335-derived protein GI
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NXET
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XET
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xyloglucan endotransglycosylase
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xyloglucan endotransglycosylase (Actinia deliciosa strain Hayward pericarp clone AdXET-5 gene XET precursor)
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xyloglucan endotransglycosylase (Arabidopsis thaliana gene TCH4 precursor reduced)
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xyloglucan endotransglycosylase (barley clone PM5 gene HVPM5)
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xyloglucan endotransglycosylase (barley clone XEA gene HVXEA)
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xyloglucan endotransglycosylase (barley clone XEB gene HVXEB)
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xyloglucan endotransglycosylase-related protein XTR-7 (Arabidopsis thaliana)
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xyloglucan recombinase
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xyloglucan X93174-derived protein GI 1890575
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xyloglucan-specific endo-(1->4)-beta-D-glucanase
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xyloglucan:xyloglucanotransferase
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xyloglucanotransferase, xyloglucan (xyloglucan donor)
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xyloglucanotransferase, xyloglucan (xyloglucan donor) (Actinia chinensis clone AdXET-5 gene XET precursor)
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xyloglucanotransferase, xyloglucan (xyloglucan donor) (Arabidopsis thaliana gene TCH4 precursor reduced)
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xyloglucanotransferase, xyloglucan (xyloglucan donor) (barley clone PM5 gene HVPM5)
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xyloglucanotransferase, xyloglucan (xyloglucan donor) (barley clone XEA gene HVXEA)
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xyloglucanotransferase, xyloglucan (xyloglucan donor) (barley clone XEB gene HVXEB)
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SYSTEMATIC NAME
IUBMB Comments
xyloglucan:xyloglucan xyloglucanotransferase
Does not use cello-oligosaccharides as either donor or acceptor.
CAS REGISTRY NUMBER
COMMENTARY
141588-40-1
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172279-31-1
xyloglucanotransferase, xyloglucan (xyloglucan donor) (Arabidopsis thaliana gene TCH4 precursor reduced) /xyloglucan endotransglycosylase (Arabidopsis thaliana gene TCH4 precursor reduced)
202012-34-8
xyloglucan endotransglycosylase-related protein XTR-7 (Arabidopsis thaliana) /genBank Z97335-derived protein GI 2244769
203402-40-8
xyloglucanotransferase, xyloglucan (xyloglucan donor) (barley clone PM5 gene HVPM5) /genBank X93173-derived protein GI 1890573 /xyloglucan endotransglycosylase (barley clone PM5 gene HVPM5)
203402-41-9
xyloglucanotransferase, xyloglucan (xyloglucan donor) (barley clone XEA gene HVXEA) /genBank X93174-derived protein GI 1890575 /xyloglucan X93174-derived protein GI 1890575 /xyloglucan endotransglycosylase (barley clone XEA gene HVXEA)
203402-42-0
xyloglucanotransferase, xyloglucan (xyloglucan donor) (barley clone XEB gene HVXEB) /genbank X93175-derived protein GI 1890577 /xyloglucan endotransglycosylase (barley clone XEB gene HVXEB)
205513-08-2
xyloglucanotransferase, xyloglucan (xyloglucan donor) (Actinia chinensis clone AdXET-5 gene XET precursor) /genBank L46792-derived protein GI 950299 /Xyloglucan endotransglycosylase (Actinia deliciosa strain Hayward pericarp clone AdXET-5 gene XET precursor)
SUBSTRATE
PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
donor xyloglucan + Xylalpha(1-6)Glcbeta(1-4)(Xylalpha(1-6))Glcbeta(1-4)(Xylalpha(1-6))Glcbeta(1-4)Glc-ol
?
donor xyloglucan + xyloglucan acceptor
?
NtXET-1 is involved in the incorporation of small xyloglucan molecules into the cell wall by transglycosylation, role during differentation and growth of the vascular tissue, reduced NtXET-1 expression and increase in the MW of xyloglucans in older leaves might be associated with strengthening of cell walls by reduced turnover and hydrolysis of xyloglucan, control of NtXET-1 expression in leaves
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-
?
donor xyloglucan + acceptor xyloglucan
?
NtXET-1 has a prefence for smaller xyloglucan molecules as acceptors
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-
?
donor xyloglucan + acceptor xyloglucan
?
donor: pine or tobacco xyloglucan
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-
?
donor xyloglucan + Xylalpha(1-6)Glcbeta(1-4)(Xylalpha(1-6))Glcbeta(1-4)(Xylalpha(1-6))Glcbeta(1-4)Glc-ol
?
pine or tobacco xyloglucan as donor
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-
?
donor xyloglucan + Xylalpha(1-6)Glcbeta(1-4)(Xylalpha(1-6))Glcbeta(1-4)(Xylalpha(1-6))Glcbeta(1-4)Glc-ol
?
XXXG-ol
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-
?
donor xyloglucan + acceptor xyloglucan
?
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acceptors: xyloglucan oligosaccharide-SR mixture
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-
?
donor xyloglucan + xyloglucan acceptor
?
-
acts in root development, necessary for root hair growth
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?
donor xyloglucan + xyloglucan acceptor
?
-
key enzyme responsible for forming and rearranging the cellulose/xyloglucan network of the cell wall, commitment to the construction of both cell plate and cell wall
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-
?
additional information
?
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usage of xyloglucan heptasaccharide XXXG and its reduced form XXXGol as donor substrates
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-
?
NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
donor xyloglucan + xyloglucan acceptor
?
NtXET-1 is involved in the incorporation of small xyloglucan molecules into the cell wall by transglycosylation, role during differentation and growth of the vascular tissue, reduced NtXET-1 expression and increase in the MW of xyloglucans in older leaves might be associated with strengthening of cell walls by reduced turnover and hydrolysis of xyloglucan, control of NtXET-1 expression in leaves
-
-
?
donor xyloglucan + xyloglucan acceptor
?
-
acts in root development, necessary for root hair growth
-
-
?
donor xyloglucan + xyloglucan acceptor
?
-
key enzyme responsible for forming and rearranging the cellulose/xyloglucan network of the cell wall, commitment to the construction of both cell plate and cell wall
-
-
?
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
ORGANISM
COMMENTARY
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
cv. Samsun NN, NtXET-1, belongs to group I of XET-related subfamilies
SwissProt
SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
SOURCE
source leaf, levels of NtXET-1 mRNA decreases in midribs with increasing age of leaves
additional information
-
high XET activity in the epidermis cell wall of the elongation zone and in trichoblasts in the differentation zone
additional information
tissue-specific NtXET-1 expression pattern, highest mRNA levels in organs highly enriched in vascular tissues
additional information
-
tissue-specific NtXET-1 expression pattern, highest mRNA levels in organs highly enriched in vascular tissues
LOCALIZATION
ORGANISM
UNIPROT
COMMENTARY
GeneOntology No.
LITERATURE
SOURCE
the same gene encodes a protein, that may be both soluble and bound to the cell wall
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additional information
the same gene encodes a protein, that may be both soluble and bound to the cell wall
additional information
the extensibility and xyloglucan endotransglucosylase activity in transgenic tomato plant hypocotyls is increased in the apical zone compared to the basal, overview
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additional information
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during interphase EXGT is extensively secreted into the apoplast via the endoplasmic reticulum-Golgi apparatus network, during cytokinesis it is exclusively located in the phragmoblast and eventually transported to the cell plate
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UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION
The reliability class of the localization prediction ranges from 1 (very reliable) to 5 (not reliable).
The reliability class of the localization prediction ranges from 1 (very reliable) to 5 (not reliable). XTH_TOBAC
295
0
33882
Swiss-Prot
Secretory Pathway (Reliability: 3)
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
SUBUNIT
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
POSTTRANSLATIONAL MODIFICATION
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
glycoprotein
two putative glycosylation sites at amino acid positions 14 and 114
proteolytic modification
contains a hydrophobic N-terminus indicating a signal peptide
PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
expression in Solanum lycopersicum cv. Money Maker via transfection by Agrobacterium tumefaciens strain C58C1:pGV2260 under control of promoter CaMV-35S. Expression analysis of SlXTH1 tomato gene by real-time quantitative PCR from apical and basal hypocotyls segments of wild-type and transgenic tomato lines, and extensibility of cell walls from apical and basal hypocotyls segments of wild type and transgenic tomato lines
NtXET-1 is cloned and expressed in Escherichia coli, ORF encodes a 295 amino acids protein, cDNA is cloned in sense and antisense orientation, creation of transgenic tobacco plants with reduced NtXET-1 expression: 2 independent lines with reduced total XET activity by 56% and 37%, respectively, in midribs of tobacco plants transformed with an antisense construct, which exhibit an at least 20% increase in the average MW of xyloglucan
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Yokoyama, R.; Nishitani, K.
Endoxyloglucan transferase is localized both in the cell plate and in the secretory pathway destined for the apoplast in tobacco cells
Plant Cell Physiol.
42
292-300
2001
Nicotiana tabacum
Herbers, K.; Lorences, E.P.; Barrachina, C.; Sonnewald, U.
Functional characterisation of Nicotiana tabacum xyloglucan endotransglycosylase (NtXET-1): Generation of transgenic tobacco plants and changes in cell wall xyloglucan
Planta
212
279-287
2001
Nicotiana tabacum (P93349), Nicotiana tabacum
Rose, J.K.C.; Braam, J.; Fry, S.C.; Nishitani, K.
The XTH family of enzymes involved in xyloglucan endotransglucosylation and endohydrolysis: Current perspectives and a new unifying nomenclature
Plant Cell Physiol.
43
1421-1435
2002
Apium sp., Arabidopsis thaliana, Solanum lycopersicum, Nicotiana tabacum, Vigna angularis, Pisum sativum, Spinacia oleracea, Tropaeolum majus
Vissenberg, K.; Van Sandt, V.; Fry, S.C.; Verbelen, J.P.
Xyloglucan endotransglucosylase action is high in the root elongation zone and in the trichoblasts of all vascular plants from Selaginella to Zea mays
J. Exp. Bot.
54
335-344
2003
Adiantum capillus-veneri, Aloe sp., Anthurium upalaense, Anthurium willdenowii, Arabidopsis thaliana, Asphodelus fistulosus, Azolla sp., Beckmannia syzigachne, Blumenbachia hieronymi, Briza maxima, Cistanthe grandiflora, Callistephus chinensis, Canna indica, Carex flacca, Cedrus atlantica, Cenchrus ciliaris, Chaenorhinum minus, Chamaecyparis sp., Chamaecyparis thyoides, Chamaedorea elegans, Centaurea benedicta, Cochlearia officinalis, Commelina nilagirica, Convallaria majalis, Crocus vernus, Cyperus prolifer, Dracaena draco, Elsholtzia ciliata, Euphorbia helioscopia, Helianthus annuus, Ipomoea purpurea, Iris pseudacorus, Juncus effusus, Lactuca perennis, Lemna minor, Linum usitatissimum, Luzula luzuloides, Leptochilus pteropus, Musa x paradisiaca, Nicotiana tabacum, Peperomia rotundifolia, Picea abies, Pinus parviflora, Pinus radiata, Pitcairnia imbricata, Pothomorphe petalta, Pteris cretica, Scabiosa atropurpurea, Selaginella sp., Taxus baccata, Tradescantia zebrina, Tragopodon pratensis, Trigonella caerulea, Triticum dicoccum, Typha angustifolia, Typha latifolia, Festuca myuros, Zea mays, Pinus parviflora Glauca, Ipomoea purpurea Bojer, Trigonella caerulea Ser., Beckmannia syzigachne Fernald, Nicotiana tabacum SR-1, Cedrus atlantica Carr., Crocus vernus Hill
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