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MS4A1
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  • MS4A1
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.

MS4A1
Synonyms B1, Bp35, CD20, MS4A2
Gene descriptioni

Full gene name according to HGNC.

Membrane spanning 4-domains A1
Protein classi

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

Read more
CD markers
Disease related genes
FDA approved drug targets
Human disease related genes
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
Intracellular,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 11
Cytoband q12.2
Chromosome location (bp) 60455846 - 60470752
Number of transcriptsi

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

8
Ensembl ENSG00000156738 (version 103.38)
Entrez gene 931
HGNC HGNC:7315
UniProt P11836 (UniProt - Evidence at protein level)
neXtProt NX_P11836
Antibodypedia MS4A1 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: 0      # Population variants: 171

Antigens:

Off
On

Variants:

Off
Clinical
Population

Color scheme:

Confidence
Residue index
Chain name

Autorotate:

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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.
MS4A1-201
MS4A1-202
MS4A1-204
MS4A1-206
MS4A1-208
MS4A1-209
MS4A1-211
MS4A1-212


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)
MS4A1-201
ENSP00000314620
ENST00000345732
P11836 [Direct mapping]
B-lymphocyte antigen CD20
A0A024R507 [Target identity:100%; Query identity:100%]
Membrane-spanning 4-domains, subfamily A, member 1, isoform CRA_a
Show all
CD markers
Transporters
   Transporter channels and pores
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
   5TM proteins predicted by MDM
Disease related genes
FDA approved drug targets
   Biotech drugs
   Small molecule drugs
Human disease related genes
   Immune system diseases
   Primary immunodeficiency
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0002115 [store-operated calcium entry]
GO:0005154 [epidermal growth factor receptor binding]
GO:0005515 [protein binding]
GO:0005615 [extracellular space]
GO:0005654 [nucleoplasm]
GO:0005886 [plasma membrane]
GO:0005887 [integral component of plasma membrane]
GO:0006959 [humoral immune response]
GO:0009617 [response to bacterium]
GO:0009897 [external side of plasma membrane]
GO:0009986 [cell surface]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0019865 [immunoglobulin binding]
GO:0023026 [MHC class II protein complex binding]
GO:0030183 [B cell differentiation]
GO:0042100 [B cell proliferation]
GO:0042113 [B cell activation]
GO:0042802 [identical protein binding]
GO:0044853 [plasma membrane raft]
GO:0050853 [B cell receptor signaling pathway]
GO:0051262 [protein tetramerization]
GO:0070062 [extracellular exosome]
GO:1902656 [calcium ion import into cytosol]
Show all
297 aa
33.1 kDa
No 5
MS4A1-202
ENSP00000374589
ENST00000389939
P11836 [Direct mapping]
B-lymphocyte antigen CD20
A0A024R507 [Target identity:100%; Query identity:100%]
Membrane-spanning 4-domains, subfamily A, member 1, isoform CRA_a
Show all
CD markers
Transporters
   Transporter channels and pores
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
   5TM proteins predicted by MDM
Disease related genes
FDA approved drug targets
   Biotech drugs
   Small molecule drugs
Human disease related genes
   Immune system diseases
   Primary immunodeficiency
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0002115 [store-operated calcium entry]
GO:0005515 [protein binding]
GO:0005615 [extracellular space]
GO:0005654 [nucleoplasm]
GO:0005886 [plasma membrane]
GO:0005887 [integral component of plasma membrane]
GO:0006959 [humoral immune response]
GO:0009986 [cell surface]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0019865 [immunoglobulin binding]
GO:0023026 [MHC class II protein complex binding]
GO:0030183 [B cell differentiation]
GO:0042100 [B cell proliferation]
GO:0042113 [B cell activation]
GO:0042802 [identical protein binding]
GO:0044853 [plasma membrane raft]
GO:0050853 [B cell receptor signaling pathway]
GO:0051262 [protein tetramerization]
GO:0070062 [extracellular exosome]
GO:1902656 [calcium ion import into cytosol]
Show all
297 aa
33.1 kDa
No 5
MS4A1-204
ENSP00000432270
ENST00000528313
P11836 [Direct mapping]
B-lymphocyte antigen CD20
Show all
CD markers
Transporters
   Transporter channels and pores
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Disease related genes
FDA approved drug targets
   Biotech drugs
   Small molecule drugs
Human disease related genes
   Immune system diseases
   Primary immunodeficiency
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0002115 [store-operated calcium entry]
GO:0005515 [protein binding]
GO:0005615 [extracellular space]
GO:0005654 [nucleoplasm]
GO:0005886 [plasma membrane]
GO:0005887 [integral component of plasma membrane]
GO:0006959 [humoral immune response]
GO:0009986 [cell surface]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0019865 [immunoglobulin binding]
GO:0023026 [MHC class II protein complex binding]
GO:0030183 [B cell differentiation]
GO:0042100 [B cell proliferation]
GO:0042113 [B cell activation]
GO:0042802 [identical protein binding]
GO:0044853 [plasma membrane raft]
GO:0050853 [B cell receptor signaling pathway]
GO:0051262 [protein tetramerization]
GO:0070062 [extracellular exosome]
GO:1902656 [calcium ion import into cytosol]
Show all
130 aa
14.6 kDa
No 0
MS4A1-206
ENSP00000433519
ENST00000532073
E9PKH8 [Direct mapping]
B-lymphocyte antigen CD20
Show all
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
   3TM proteins predicted by MDM
Human disease related genes
   Immune system diseases
   Primary immunodeficiency
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005654 [nucleoplasm]
GO:0005886 [plasma membrane]
GO:0005887 [integral component of plasma membrane]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
Show all
284 aa
31.6 kDa
No 3
MS4A1-208
ENSP00000432219
ENST00000532491
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Immune system diseases
   Primary immunodeficiency
Protein evidence (Ezkurdia et al 2014)
Show all
6 aa
0.7 kDa
No 0
MS4A1-209
ENSP00000437002
ENST00000533306
E9PPL6 [Direct mapping]
B-lymphocyte antigen CD20
Show all
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
   2TM proteins predicted by MDM
Human disease related genes
   Immune system diseases
   Primary immunodeficiency
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005887 [integral component of plasma membrane]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
Show all
104 aa
11.3 kDa
No 2
MS4A1-211
ENSP00000433277
ENST00000534668
P11836 [Direct mapping]
B-lymphocyte antigen CD20
A0A024R507 [Target identity:100%; Query identity:100%]
Membrane-spanning 4-domains, subfamily A, member 1, isoform CRA_a
Show all
CD markers
Transporters
   Transporter channels and pores
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
   5TM proteins predicted by MDM
Disease related genes
FDA approved drug targets
   Biotech drugs
   Small molecule drugs
Human disease related genes
   Immune system diseases
   Primary immunodeficiency
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0002115 [store-operated calcium entry]
GO:0005515 [protein binding]
GO:0005615 [extracellular space]
GO:0005654 [nucleoplasm]
GO:0005886 [plasma membrane]
GO:0005887 [integral component of plasma membrane]
GO:0006959 [humoral immune response]
GO:0009986 [cell surface]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0019865 [immunoglobulin binding]
GO:0023026 [MHC class II protein complex binding]
GO:0030183 [B cell differentiation]
GO:0042100 [B cell proliferation]
GO:0042113 [B cell activation]
GO:0042802 [identical protein binding]
GO:0044853 [plasma membrane raft]
GO:0050853 [B cell receptor signaling pathway]
GO:0051262 [protein tetramerization]
GO:0070062 [extracellular exosome]
GO:1902656 [calcium ion import into cytosol]
Show all
297 aa
33.1 kDa
No 5
MS4A1-212
ENSP00000501369
ENST00000674194
A0A024R507 [Target identity:100%; Query identity:100%]
Membrane-spanning 4-domains, subfamily A, member 1, isoform CRA_a
Show all
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
   5TM proteins predicted by MDM
Human disease related genes
   Immune system diseases
   Primary immunodeficiency
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005654 [nucleoplasm]
GO:0005886 [plasma membrane]
GO:0005887 [integral component of plasma membrane]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
Show all
297 aa
33.1 kDa
No 5

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The Human Protein Atlas

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  • HELP & FAQ
The Human Protein Atlas project is funded
by the Knut & Alice Wallenberg Foundation.