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ABCA4
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  • ABCA4
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.

ABCA4
Synonyms ABCR, ARMD2, CORD3, FFM, RP19, STGD, STGD1
Gene descriptioni

Full gene name according to HGNC.

ATP binding cassette subfamily A member 4
Protein classi

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

Read more
Disease related genes
Enzymes
Human disease related genes
Metabolic proteins
Plasma proteins
Potential drug targets
Transporters
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.

Read more
Membrane
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 1
Cytoband p22.1
Chromosome location (bp) 93992834 - 94121148
Number of transcriptsi

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

3
Ensembl ENSG00000198691 (version 103.38)
Entrez gene 24
HGNC HGNC:34
UniProt P78363 (UniProt - Evidence at protein level)
neXtProt NX_P78363
Antibodypedia ABCA4 antibodies


PROTEIN STRUCTUREi

The Structure section provides predicted structures from the Alphafold protein structure database and available experimental structures from Protein Data Bank (PDB).

In the Structure drop-down menu all experimental structures from PDB are available for selection and display. The structures are displayed using the NGL Viewer and can be zoomed-in and rotated either manually or by checking the Autorotate box. The Color scheme can be selected to show the residue index, chain name or confidence score (as B-factors and pLDDT score for experimental and predicted structures, respectively). The positions for available antigen sequences in the structure are shown if Antigens is turned to ON, and the Variants slider can be used to show the positions of clinical and population variants.https://github.com/nglviewer/ngl

Read more

Predicted


Description: Structure prediction from Alphafold project. Structure version 2

# Chains: 1      # Clinical variants: 211      # Population variants: 1539

Experimental

Description: Structure of ATP-free human ABCA4 (Electron microscopy)

# Chains: 1      # Clinical variants: 211      # Population variants: 1539

Antigens:

Off
On

Variants:

Off
Clinical
Population

Color scheme:

Confidence
Residue index
Chain name

Autorotate:

Off
On



PROTEIN BROWSERi

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.
ABCA4-201
ABCA4-207
ABCA4-208


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 UniProt Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
ABCA4-201
ENSP00000359245
ENST00000370225
P78363 [Direct mapping]
Retinal-specific phospholipid-transporting ATPase ABCA4
Show all
Enzymes
   ENZYME proteins
Metabolic proteins
Transporters
   Primary Active Transporters
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   >9TM proteins predicted by MDM
Plasma proteins
Disease related genes
Potential drug targets
Human disease related genes
   Nervous system diseases
   Eye disease
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Show all
GO:0000166 [nucleotide binding]
GO:0001523 [retinoid metabolic process]
GO:0001750 [photoreceptor outer segment]
GO:0005215 [transporter activity]
GO:0005319 [lipid transporter activity]
GO:0005524 [ATP binding]
GO:0005548 [phospholipid transporter activity]
GO:0005783 [endoplasmic reticulum]
GO:0005887 [integral component of plasma membrane]
GO:0006649 [phospholipid transfer to membrane]
GO:0006869 [lipid transport]
GO:0007601 [visual perception]
GO:0007603 [phototransduction, visible light]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0016887 [ATPase activity]
GO:0042626 [ATPase-coupled transmembrane transporter activity]
GO:0043231 [intracellular membrane-bounded organelle]
GO:0045332 [phospholipid translocation]
GO:0045494 [photoreceptor cell maintenance]
GO:0050896 [response to stimulus]
GO:0055085 [transmembrane transport]
GO:0090555 [phosphatidylethanolamine flippase activity]
GO:0097381 [photoreceptor disc membrane]
GO:0140326 [ATPase-coupled intramembrane lipid transporter activity]
GO:0140327 [flippase activity]
GO:0140347 [N-retinylidene-phosphatidylethanolamine flippase activity]
Show all
2273 aa
255.9 kDa
No >9
ABCA4-207
ENSP00000439707
ENST00000536513
F6TT59 [Direct mapping]
Retinal-specific phospholipid-transporting ATPase ABCA4
Show all
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   7TM proteins predicted by MDM
Human disease related genes
   Nervous system diseases
   Eye disease
Show all
GO:0000166 [nucleotide binding]
GO:0005524 [ATP binding]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0016887 [ATPase activity]
GO:0042626 [ATPase-coupled transmembrane transporter activity]
GO:0055085 [transmembrane transport]
Show all
1065 aa
118.1 kDa
No 7
ABCA4-208
ENSP00000496882
ENST00000649773
A0A3B3IRV8 [Direct mapping]
Retinal-specific phospholipid-transporting ATPase ABCA4
Show all
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   4TM proteins predicted by MDM
Human disease related genes
   Nervous system diseases
   Eye disease
Show all
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0042626 [ATPase-coupled transmembrane transporter activity]
GO:0055085 [transmembrane transport]
Show all
979 aa
112.3 kDa
No 4

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