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Q8LNZ5

- XTHB_PHAAN

UniProt

Q8LNZ5 - XTHB_PHAAN

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Protein
Probable xyloglucan endotransglucosylase/hydrolase protein B
Gene
XTHB, XTH2
Organism
Phaseolus angularis (Azuki bean) (Vigna angularis)
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 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

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 – 2121 Reviewed prediction
Add
BLAST
Chaini22 – 293272Probable xyloglucan endotransglucosylase/hydrolase protein B
PRO_0000011838Add
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

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.

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.

Q8LNZ5-1 [UniParc]FASTAAdd to Basket

« Hide

MASSLLILCL VLVSLASSAL CAAPRRPVDV PFGRNYIPTW AFDHIKYFNG    50
GSEIQLHLDK YTGTGFQTKG SYLFGHFSMN IKMVPGDSAG TVTAFCLSSQ 100
NAEHDEIDFE FLGNRTGQPY ILQTNVFTGG KGDREQRIYL WFDPTKAYHR 150
YSVLWNMYQI VFLVDNIPIR VFKNLKELGV KFPFNQPMKV YNSLWNADDW 200
ATRGGLEKTD WSKAPFVAEY KGFHVDGCEA SVNSRFCATQ GKRWWDQTEF 250
RDLDSFQWRR LKWVRQKFTI YNYCTDRTRY PQLPPECRRN RDI 293
Length:293
Mass (Da):34,096
Last modified:October 1, 2002 - v1
Checksum:iBD2FA9A049211CD5
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AB086396 Genomic DNA. Translation: BAC03238.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AB086396 Genomic DNA. Translation: BAC03238.1 .

3D structure databases

ProteinModelPortali Q8LNZ5.
SMRi Q8LNZ5. Positions 27-293.
ModBasei Search...
MobiDBi Search...

Protein family/group databases

CAZyi GH16. Glycoside Hydrolase Family 16.

Protocols and materials databases

Structural Biology Knowledgebase Search...

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. "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: February 19, 2014
This is version 64 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

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