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P86450 (XYL1_MEDSA) Reviewed, UniProtKB/Swiss-Prot

Last modified April 16, 2014. Version 7. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (1) | Third-party data text xml rdf/xml gff fasta
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Names and origin

Protein namesRecommended name:
Beta-xylosidase/alpha-L-arabinofuranosidase 1
Alternative name(s):
Xylan 1,4-beta-xylosidase/Alpha-L-arabinofuranosidase 1

Including the following 2 domains:

  1. Beta-xylosidase
    EC=3.2.1.37
    Alternative name(s):
    1,4-beta-D-xylan xylohydrolase
    Xylan 1,4-beta-xylosidase
  2. Alpha-L-arabinofuranosidase
    Short name=Arabinosidase
    EC=3.2.1.55
Gene names
Name:Xyl1
OrganismMedicago sativa (Alfalfa)
Taxonomic identifier3879 [NCBI]
Taxonomic lineageEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsfabidsFabalesFabaceaePapilionoideaeTrifolieaeMedicago

Protein attributes

Sequence length45 AA.
Sequence statusFragments.
Protein existenceEvidence at protein level

General annotation (Comments)

Function

A bifunctional beta-xylosidase/alpha-L-arabinosidase, exo-enzyme that acts synergistically with endohydrolases. Releases xylose and arabinose from cell walls By similarity. UniProtKB A5JTQ2

Catalytic activity

Hydrolysis of (1->4)-beta-D-xylans, to remove successive D-xylose residues from the non-reducing termini. UniProtKB A5JTQ2

Hydrolysis of terminal non-reducing alpha-L-arabinofuranoside residues in alpha-L-arabinosides. UniProtKB A5JTQ2

Subcellular location

Secretedextracellular spaceextracellular matrix By similarity UniProtKB Q9FLG1.

Tissue specificity

Strongly expressed in young roots, significantly reduced expression in older roots. Highest expression levels seen in root tips, some expression seen in root nodules and in the flowers, but not seen in other aerial parts of the plant such as in the stems, hypocotyls or leaves. Ref.1

Sequence similarities

Belongs to the glycoside hydrolase 3 family.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain‹1 – ›45›45Beta-xylosidase/alpha-L-arabinofuranosidase 1
PRO_0000392639

Experimental info

Non-adjacent residues15 – 162
Non-adjacent residues30 – 312
Non-terminal residue11
Non-terminal residue451

Sequences

Sequence LengthMass (Da)Tools
P86450 [UniParc].

Last modified March 23, 2010. Version 1.
Checksum: 83339885B81AEA45

FASTA454,785
        10         20         30         40 
GVQRYTFDAV VSQQDTILSG LDLDCGSYLG YTSPLQGLTA FVPTS 

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References

[1]"Molecular cloning of a bifunctional beta-xylosidase/alpha-L-arabinosidase from alfalfa roots: heterologous expression in Medicago truncatula and substrate specificity of the purified enzyme."
Xiong J.S., Balland-Vanney M., Xie Z.P., Schultze M., Kondorosi A., Kondorosi E., Staehelin C.
J. Exp. Bot. 58:2799-2810(2007) [PubMed] [Europe PMC] [Abstract]
Cited for: PROTEIN SEQUENCE, TISSUE SPECIFICITY.
Strain: cv. Sitel.
Tissue: Root nodule.

Cross-references

3D structure databases

ModBaseSearch...
MobiDBSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Family and domain databases

ProtoNetSearch...

Entry information

Entry nameXYL1_MEDSA
AccessionPrimary (citable) accession number: P86450
Entry history
Integrated into UniProtKB/Swiss-Prot: March 23, 2010
Last sequence update: March 23, 2010
Last modified: April 16, 2014
This is version 7 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families