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Q9S8T0

- LECB4_ARTIN

UniProt

Q9S8T0 - LECB4_ARTIN

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Protein
Agglutinin beta-4 chain
Gene
N/A
Organism
Artocarpus integer (Jack fruit) (Artocarpus integrifolia)
Status
Reviewed - Annotation score: 2 out of 5 - 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

  1. IgA binding Source: UniProtKB
  2. carbohydrate binding Source: UniProtKB
Complete GO annotation...

Keywords - Ligandi

IgA-binding protein, Lectin

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)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – ›20›20Agglutinin beta-4 chain
PRO_0000072799Add
BLAST

Interactioni

Subunit structurei

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

Structurei

Secondary structure

Legend: HelixTurnBeta strand
Show more details
Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Beta strandi10 – 167

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
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[»]

Family & Domainsi

Sequence similaritiesi

Belongs to the jacalin lectin family.

Sequencei

Sequence statusi: Fragment.

Q9S8T0-1 [UniParc]FASTAAdd to Basket

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NEQSGISQTV IVGPWGAQVT                                    20
Length:20
Mass (Da):2,071
Last modified:May 1, 2000 - v1
Checksum:i8D5AE975F4D0E212
GO

Non-terminal residue

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Non-terminal residuei20 – 201

Sequence databases

PIRiS29636.

Cross-referencesi

Sequence databases

PIRi S29636.

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
Entry Method Resolution (Å) Chain Positions PDBsum
4AK4 X-ray 1.65 B/D/F/H/J/L/N/P 1-19 [» ]
4AKB X-ray 1.95 B/D/F/H 1-19 [» ]
4AKC X-ray 2.30 B/D/F/H 1-19 [» ]
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Family and domain databases

ProtoNeti Search...

Publicationsi

  1. "The alpha- and beta-subunits of the jacalins are cleavage products from a 17-kDa precursor."
    Ngoc L.D., Brillard M., Hoebeke J.
    Biochim. Biophys. Acta 1156:219-222(1993) [PubMed] [Europe PMC] [Abstract]
    Cited for: PROTEIN SEQUENCE.

Entry informationi

Entry nameiLECB4_ARTIN
AccessioniPrimary (citable) accession number: Q9S8T0
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 7, 2006
Last sequence update: May 1, 2000
Last modified: February 19, 2014
This is version 25 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

3D-structure, Direct protein sequencing

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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