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CACNA1A
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  • CACNA1A
PROTEIN STRUCTURE
ANTIBODIES
AND
VALIDATION
Protein structures
GENERAL INFORMATIONi

General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.

Gene namei

Official gene symbol, which is typically a short form of the gene name, according to HGNC.

CACNA1A
Synonyms APCA, CACNL1A4, Cav2.1, EA2, FHM, HPCA, MHP, MHP1, SCA6
Gene descriptioni

Full gene name according to HGNC.

Calcium voltage-gated channel subunit alpha1 A
Protein classi

Assigned HPA protein class(es) for the encoded protein(s).

Disease related genes
FDA approved drug targets
Human disease related genes
Plasma proteins
Transporters
Voltage-gated ion channels
Predicted locationi

All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.

  • Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.

  • Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).

The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.

Membrane, Intracellular
Protein evidence Evidence at protein level (all genes)
GENE INFORMATIONi

Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.

Chromosome 19
Cytoband p13.13
Chromosome location (bp) 13206442 - 13633025
Number of transcriptsi

Number of protein-coding transcripts from the gene as defined by Ensembl.

21
Ensembl ENSG00000141837 (version 109)
Entrez gene 773
HGNC HGNC:1388
UniProt O00555 (UniProt - Evidence at protein level)
neXtProt NX_O00555
GeneCards CACNA1A
PROTEIN BROWSERi

The Structure section provides predicted structures from the Alphafold protein structure database and includes structures corresponding to uniprot entries mapped to our gene set with at least one splice variant having 100% identity to the structure sequence.

Displaying protein features on the AlphaFold structures

Individual splice variants can be selected in the top part of the Protein Browser (see below) and both for transcripts matching the whole structure and those corresponding only to a part the full-length AlphaFold structure is shown. Different transcript-related features such as transmembrane regions, InterPro domains and antigen sequences for antibodies can be displayed in the structure by clicking on the respective features in the Protein Browser and then also the part of the structure corresponding to the selected transcript will be shown in lightblue. Clinical and population amino acid variants can be highlighted by using the sliders to the right of the structure, which can also be used to colour the entire structure by residue index or make the structure autorotate.The structures are displayed using the NGL Viewer and can also be zoomed-in and rotated manually.

The Protein Browser

The protein browser displays the antigen location on the target protein(s) and the features of the target protein. The tabs at the top of the protein view section can be used to switch between the different splice variants to which an antigen has been mapped.

At the top of the view, the position of the antigen (identified by the corresponding HPA identifier) is shown as a green bar. A yellow triangle on the bar indicates a <100% sequence identity to the protein target.

Below the antigens, the maximum percent sequence identity of the protein to all other proteins from other human genes is displayed, using a sliding window of 10 aa residues (HsID 10) or 50 aa residues (HsID 50). The region with the lowest possible identity is always selected for antigen design, with a maximum identity of 60% allowed for designing a single-target antigen (read more).

The curve in blue displays the predicted antigenicity i.e. the tendency for different regions of the protein to generate an immune response, with peak regions being predicted to be more antigenic.The curve shows average values based on a sliding window approach using an in-house propensity scale. (read more).

If a signal peptide is predicted by a majority of the signal peptide predictors SPOCTOPUS, SignalP 4.0, and Phobius (turquoise) and/or transmembrane regions (orange) are predicted by MDM, these are displayed.

Low complexity regions are shown in yellow and InterPro regions in green. Common (purple) and unique (grey) regions between different splice variants of the gene are also displayed (read more), and at the bottom of the protein view is the protein scale.
«
CACNA1A-201
CACNA1A-202
CACNA1A-206
CACNA1A-209
CACNA1A-211
CACNA1A-214
CACNA1A-217
CACNA1A-220
CACNA1A-224
CACNA1A-225
CACNA1A-226
CACNA1A-237
CACNA1A-238
CACNA1A-239
CACNA1A-245
CACNA1A-246
CACNA1A-250
CACNA1A-252
CACNA1A-256
CACNA1A-257
CACNA1A-259
»

Description:
Structure prediction of O00555 from Alphafold project, version 2

Color scheme:
Confidence
Residue index
Your selection
Variants:
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Clinical
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PROTEIN INFORMATIONi

The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.

The ENSP identifier links to the Ensembl website protein summary, while the ENST identifier links to the Ensembl website transcript summary for the selected splice variant. The data in the UniProt column can be expanded to show links to all matching UniProt identifiers for this protein.

The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.

The Gene Ontology terms assigned to this protein are listed if expanding the Gene ontology column. The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide (according to a majority of the signal peptide predictors SPOCTOPUS, SignalP 4.0, and Phobius) and the number of predicted transmembrane region(s) (according to MDM) are also reported.
Splice variant SwissProt TrEMBL Protein class Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
CACNA1A-201
O00555
Show all
Transporters
Voltage-gated ion channels
Predicted membrane proteins
Plasma proteins
Disease related genes
FDA approved drug targets
Human disease related genes
Mapped to neXtProt
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
2506 aa
282.6 kDa
No >9
CACNA1A-202
A0A1C7CYY9
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Ezkurdia et al 2014)
Show all
2508 aa
282.6 kDa
No >9
CACNA1A-206
K7EKF7
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Ezkurdia et al 2014)
Show all
881 aa
98.8 kDa
No 3
CACNA1A-209
K7EQ95
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Ezkurdia et al 2014)
Show all
981 aa
110.4 kDa
No 6
CACNA1A-211
K7EIF8
Show all
Predicted intracellular proteins
Human disease related genes
Protein evidence (Ezkurdia et al 2014)
Show all
89 aa
10.1 kDa
No 0
CACNA1A-214
A0A1B0GU81
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Ezkurdia et al 2014)
Show all
2507 aa
282.6 kDa
No >9
CACNA1A-217
A0A384DVW2
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Ezkurdia et al 2014)
Show all
2261 aa
256.9 kDa
No >9
CACNA1A-220
A0A1B0GUS3
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Ezkurdia et al 2014)
Show all
2495 aa
281.2 kDa
No >9
CACNA1A-224
A0A1B0GU74
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Ezkurdia et al 2014)
Show all
2302 aa
261.4 kDa
No >9
CACNA1A-225
A0A1B0GUM7
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Ezkurdia et al 2014)
Show all
550 aa
63.3 kDa
No 3
CACNA1A-226
B5TYJ1
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
2263 aa
257.1 kDa
No >9
CACNA1A-237
O00555
Show all
Transporters
Voltage-gated ion channels
Predicted membrane proteins
Plasma proteins
Disease related genes
FDA approved drug targets
Human disease related genes
Mapped to neXtProt
Protein evidence (Ezkurdia et al 2014)
Show all
2249 aa
255.5 kDa
No >9
CACNA1A-238
A0A1B0GTG6
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Ezkurdia et al 2014)
Show all
212 aa
24.6 kDa
No 2
CACNA1A-239
O00555
Show all
Transporters
Voltage-gated ion channels
Predicted membrane proteins
Plasma proteins
Disease related genes
FDA approved drug targets
Human disease related genes
Mapped to neXtProt
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
2266 aa
257.4 kDa
No >9
CACNA1A-245
A0A1B0GTW2
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Ezkurdia et al 2014)
Show all
2460 aa
277 kDa
No >9
CACNA1A-246
A0A1B0GTN7
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Ezkurdia et al 2014)
Show all
2507 aa
282.5 kDa
No >9
CACNA1A-250
A0A1B0GVX1
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Ezkurdia et al 2014)
Show all
459 aa
53.1 kDa
No 6
CACNA1A-252
A0A1B0GTI4
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Ezkurdia et al 2014)
Show all
2262 aa
256.9 kDa
No >9
CACNA1A-256
O00555
Show all
Transporters
Voltage-gated ion channels
Predicted membrane proteins
Plasma proteins
Disease related genes
FDA approved drug targets
Human disease related genes
Mapped to neXtProt
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
2261 aa
256.8 kDa
No >9
CACNA1A-257
A0A087WW63
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
2512 aa
283.1 kDa
No >9
CACNA1A-259
A0A590UJK2
Show all
Predicted membrane proteins
Human disease related genes
Protein evidence (Ezkurdia et al 2014)
Show all
2328 aa
264.4 kDa
No >9

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