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Protein

Alpha-conotoxin-like 289

Gene
N/A
Organism
Conus ammiralis (Admiral cone)
Status
Reviewed-Annotation score: Annotation score: 2 out of 5-Experimental evidence at transcript leveli

Functioni

Alpha-conotoxins act on postsynaptic membranes, they bind to the nicotinic acetylcholine receptors (nAChR) and thus inhibit them.By similarity

GO - Molecular functioni

Keywordsi

Molecular functionAcetylcholine receptor inhibiting toxin, Ion channel impairing toxin, Neurotoxin, Postsynaptic neurotoxin, Toxin

Names & Taxonomyi

Protein namesi
Recommended name:
Alpha-conotoxin-like 289
OrganismiConus ammiralis (Admiral cone)
Taxonomic identifieri97188 [NCBI]
Taxonomic lineageiEukaryotaMetazoaLophotrochozoaMolluscaGastropodaCaenogastropodaHypsogastropodaNeogastropodaConoideaConidaeConus

Organism-specific databases

ConoServeri2943. Ai1.1 precursor.
3454. Sequence 289 from Patent EP1852440.

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 16Sequence analysisAdd BLAST16
PropeptideiPRO_000038062617 – 42By similarityAdd BLAST26
PeptideiPRO_000038062743 – 59Alpha-conotoxin-like 289Add BLAST17

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei43Pyrrolidone carboxylic acidBy similarity1
Disulfide bondi45 ↔ 51By similarity
Disulfide bondi46 ↔ 59By similarity
Modified residuei59Cysteine amideBy similarity1

Keywords - PTMi

Amidation, Cleavage on pair of basic residues, Disulfide bond, Pyrrolidone carboxylic acid

Expressioni

Tissue specificityi

Expressed by the venom duct.

Structurei

3D structure databases

ProteinModelPortaliP0CB12.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domaini

The cysteine framework is I (CC-C-C). Alpha4/7 pattern.

Sequence similaritiesi

Belongs to the conotoxin A superfamily.Curated

Keywords - Domaini

Signal

Family and domain databases

InterProiView protein in InterPro
IPR009958. Conotoxin_a-typ.
IPR018072. Conotoxin_a-typ_CS.
PfamiView protein in Pfam
PF07365. Toxin_8. 1 hit.
PROSITEiView protein in PROSITE
PS60014. ALPHA_CONOTOXIN. 1 hit.

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P0CB12-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MFTVFLLVVL ATTVVSFTSD RAFRGRNAAA KASGLVGLTD KRQECCSYPA
60
CNLDHPELCG
Length:60
Mass (Da):6,452
Last modified:July 28, 2009 - v1
Checksum:i4EE463147E28A69B
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
FB300119 Unassigned DNA. Translation: CAR81591.1.

Similar proteinsi

Entry informationi

Entry nameiCA89_CONAJ
AccessioniPrimary (citable) accession number: P0CB12
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 28, 2009
Last sequence update: July 28, 2009
Last modified: November 22, 2017
This is version 24 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programAnimal Toxin Annotation Program

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families