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Protein

Agglutinin beta-4 chain

Gene
N/A
Organism
Artocarpus integer (Jack fruit) (Artocarpus integrifolia)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

D-galactose-specific lectin, binds the T-antigen structure Gal-beta1,3-GalNAc (Thomsen-Friedenreich-antigen-specific lectin). Potent and selective stimulant of distinct T- and B-cell functions. Shows a unique ability to specifically recognize IgA-1 from human serum (By similarity).By similarity

GO - Molecular functioni

Keywordsi

Molecular functionIgA-binding protein
LigandLectin

Names & Taxonomyi

Protein namesi
Recommended name:
Agglutinin beta-4 chain
Alternative name(s):
Jacalin beta-4 chain
OrganismiArtocarpus integer (Jack fruit) (Artocarpus integrifolia)
Taxonomic identifieri3490 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsfabidsRosalesMoraceaeArtocarpus

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00000727991 – ›20Agglutinin beta-4 chainAdd BLAST›20

Interactioni

Subunit structurei

Tetramer of four alpha chains associated with two or four beta chains.By similarity

Structurei

Secondary structure

120
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

SMRiQ9S8T0
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the jacalin lectin family.Sequence analysis

Sequencei

Sequence statusi: Fragment.

Q9S8T0-1 [UniParc]FASTAAdd to basket
« Hide
        10         20
NEQSGISQTV IVGPWGAQVT
Length:20
Mass (Da):2,071
Last modified:May 1, 2000 - v1
Checksum:i8D5AE975F4D0E212
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Non-terminal residuei201 Publication1

Sequence databases

PIRiS29636

Similar proteinsi

Cross-referencesi

Sequence databases

PIRiS29636

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
4AK4X-ray1.65B/D/F/H/J/L/N/P1-19[»]
4AKBX-ray1.95B/D/F/H1-19[»]
4AKCX-ray2.30B/D/F/H1-19[»]
SMRiQ9S8T0
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Family and domain databases

ProtoNetiSearch...

Entry informationi

Entry nameiLECB4_ARTIN
AccessioniPrimary (citable) accession number: Q9S8T0
Entry historyiIntegrated into UniProtKB/Swiss-Prot: February 7, 2006
Last sequence update: May 1, 2000
Last modified: September 27, 2017
This is version 29 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Direct protein sequencing

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
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Main funding by: National Institutes of Health

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