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P86535

- OXLA1_DABRR

UniProt

P86535 - OXLA1_DABRR

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Protein

L-amino-acid oxidase L1

Gene
N/A
Organism
Daboia russelii (Russel's viper) (Vipera russelii)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at protein leveli

Functioni

Catalyzes an oxidative deamination of predominantly hydrophobic and aromatic L-amino acids, thus producing hydrogen peroxide that may contribute to the diverse toxic effects of this enzyme. Exhibits diverse biological activities, such as hemorrhage, hemolysis, edema, apoptosis of vascular endothelial cells or tumor cell lines, antibacterial and antiparasitic activities, as well as regulation of platelet aggregation. Its effect on platelets is controversial, since it either induces aggregation or inhibits agonist-induced aggregation. These different effects are probably due to different experimental conditions (By similarity).By similarity

Catalytic activityi

An L-amino acid + H2O + O2 = a 2-oxo acid + NH3 + H2O2.By similarity

Cofactori

FAD1 Publication

Kineticsi

  1. KM=0.297 mM for L-Met1 Publication
  2. KM=1.44 mM for L-Ile1 Publication
  3. KM=0.750 mM for L-Leu1 Publication
  4. KM=0.066 mM for L-Phe1 Publication
  5. KM=0.210 mM for L-Trp1 Publication
  6. KM=0.052 mM for L-Tyr1 Publication

Vmax=8.96 µmol/min/mg enzyme toward L-Phe1 Publication

GO - Molecular functioni

  1. L-amino-acid oxidase activity Source: UniProtKB-EC

GO - Biological processi

  1. apoptotic process Source: UniProtKB-KW
  2. defense response to bacterium Source: UniProtKB-KW
  3. hemolysis in other organism Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

Antibiotic, Antimicrobial, Hemostasis impairing toxin, Oxidoreductase, Toxin

Keywords - Biological processi

Apoptosis, Cytolysis, Hemolysis

Keywords - Ligandi

FAD, Flavoprotein

Names & Taxonomyi

Protein namesi
Recommended name:
L-amino-acid oxidase L1 (EC:1.4.3.2)
Short name:
LAAOBy similarity
Short name:
LAAO-L1
Short name:
LAO1 Publication
OrganismiDaboia russelii (Russel's viper) (Vipera russelii)
Taxonomic identifieri31159 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiLepidosauriaSquamataBifurcataUnidentataEpisquamataToxicoferaSerpentesColubroideaViperidaeViperinaeDaboia

Subcellular locationi

Secreted 2 Publications

GO - Cellular componenti

  1. extracellular region Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – ›20›20L-amino-acid oxidase L1PRO_0000394725Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Disulfide bondi10 ↔ ?By similarity

Post-translational modificationi

N-glycosylated.1 Publication

Keywords - PTMi

Disulfide bond, Glycoprotein

Expressioni

Tissue specificityi

Expressed by the venom gland.2 Publications

Interactioni

Subunit structurei

Monomer (Probable). This is in contrast with most of its orthologs, that are non-covalently linked homodimers.1 PublicationCurated

Family & Domainsi

Sequence similaritiesi

Belongs to the flavin monoamine oxidase family. FIG1 subfamily.Sequence Analysis

Sequencei

Sequence statusi: Fragment.

P86535-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20
ADDINPKEEC FFEDDYYEFE
Length:20
Mass (Da):2,519
Last modified:September 21, 2011 - v2
Checksum:i999C77D7C86348E7
GO

Experimental Info

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sequence conflicti4 – 41I → K AA sequence (PubMed:20203422)Curated
Sequence conflicti7 – 71K → L AA sequence (PubMed:20203422)Curated
Sequence conflicti12 – 121F → R AA sequence (PubMed:20203422)Curated
Sequence conflicti17 – 171Y → E AA sequence (PubMed:20203422)Curated
Non-terminal residuei20 – 201

Cross-referencesi

3D structure databases

ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Family and domain databases

ProtoNeti Search...

Publicationsi

  1. "Two L-amino acid oxidase isoenzymes from Russell's viper (Daboia russelli russelli) venom with different mechanisms of inhibition by substrate analogs."
    Mandal S., Bhattacharyya D.
    FEBS J. 275:2078-2095(2008) [PubMed] [Europe PMC] [Abstract]
    Cited for: PROTEIN SEQUENCE, SUBCELLULAR LOCATION, TISSUE SPECIFICITY, GLYCOSYLATION, COFACTOR, BIOPHYSICOCHEMICAL PROPERTIES, SUBUNIT, INHIBITION BY SUBSTRATE ANALOGS.
    Tissue: Venom.
  2. "Molecular diversity in venom proteins of the Russell's viper (Daboia russellii russellii) and the Indian cobra (Naja naja) in Sri Lanka."
    Suzuki M., Itoh T., Bandaranayake B.M.A.I.K., Ranasinghe J.G., Athauda S.B., Moriyama A.
    Biomed. Res. 31:71-81(2010) [PubMed] [Europe PMC] [Abstract]
    Cited for: PROTEIN SEQUENCE OF 1-19, SUBCELLULAR LOCATION, TISSUE SPECIFICITY.
    Tissue: Venom1 Publication.

Entry informationi

Entry nameiOXLA1_DABRR
AccessioniPrimary (citable) accession number: P86535
Entry historyi
Integrated into UniProtKB/Swiss-Prot: June 15, 2010
Last sequence update: September 21, 2011
Last modified: November 26, 2014
This is version 18 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programAnimal Toxin Annotation Program
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Direct protein sequencing

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3