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CASR
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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.

CASR
Synonyms FHH, GPRC2A, HHC, HHC1, NSHPT
Gene descriptioni

Full gene name according to HGNC.

Calcium sensing receptor
Protein classi

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

Read more
Disease related genes
FDA approved drug targets
G-protein coupled receptors
Human disease related genes
Plasma proteins
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 3
Cytoband
Chromosome location (bp) 122183668 - 122291629
Number of transcriptsi

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

4
Ensembl ENSG00000036828 (version 103.38)
Entrez gene 846
HGNC HGNC:1514
UniProt P41180 (UniProt - Evidence at protein level)
neXtProt NX_P41180
Antibodypedia CASR 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: 68      # Population variants: 496

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.
CASR-201
CASR-202
CASR-204
CASR-205


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)
CASR-201
ENSP00000418685
ENST00000490131
A0A1X7SBX3 [Direct mapping]
Extracellular calcium-sensing receptor
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
   GPCRHMM predicted membrane proteins
   # TM segments-based
   7TM proteins predicted by MDM
Human disease related genes
   Cancers
   Cancers of endocrine organs
   Congenital disorders of metabolism
   Congenital disorders of ion transport and metabolism
   Other congenital disorders of metabolism
   Endocrine and metabolic diseases
   Parathyroid diseases
   Other endocrine and metabolic diseases
   Nervous system diseases
   Epilepsy
Show all
GO:0004930 [G protein-coupled receptor activity]
GO:0005886 [plasma membrane]
GO:0007165 [signal transduction]
GO:0007186 [G protein-coupled receptor signaling pathway]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
Show all
1001 aa
111.7 kDa
Yes 7
CASR-202
ENSP00000420194
ENST00000498619
P41180 [Direct mapping]
Extracellular calcium-sensing receptor
Show all
Transporters
G-protein coupled receptors
   GPCRs excl olfactory receptors
   Family 3 (C) receptors
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
   GPCRHMM predicted membrane proteins
   # TM segments-based
   7TM proteins predicted by MDM
Plasma proteins
Disease related genes
FDA approved drug targets
   Small molecule drugs
Human disease related genes
   Cancers
   Cancers of endocrine organs
   Congenital disorders of metabolism
   Congenital disorders of ion transport and metabolism
   Other congenital disorders of metabolism
   Endocrine and metabolic diseases
   Parathyroid diseases
   Other endocrine and metabolic diseases
   Nervous system diseases
   Epilepsy
Mapped to neXtProt
   neXtProt - Evidence at protein level
Show all
GO:0001503 [ossification]
GO:0002931 [response to ischemia]
GO:0004435 [phosphatidylinositol phospholipase C activity]
GO:0004930 [G protein-coupled receptor activity]
GO:0005178 [integrin binding]
GO:0005509 [calcium ion binding]
GO:0005513 [detection of calcium ion]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005737 [cytoplasm]
GO:0005886 [plasma membrane]
GO:0005887 [integral component of plasma membrane]
GO:0006874 [cellular calcium ion homeostasis]
GO:0006915 [apoptotic process]
GO:0007165 [signal transduction]
GO:0007186 [G protein-coupled receptor signaling pathway]
GO:0007193 [adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway]
GO:0007200 [phospholipase C-activating G protein-coupled receptor signaling pathway]
GO:0007254 [JNK cascade]
GO:0007635 [chemosensory behavior]
GO:0008284 [positive regulation of cell population proliferation]
GO:0009653 [anatomical structure morphogenesis]
GO:0009986 [cell surface]
GO:0010038 [response to metal ion]
GO:0010628 [positive regulation of gene expression]
GO:0014070 [response to organic cyclic compound]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0016323 [basolateral plasma membrane]
GO:0016324 [apical plasma membrane]
GO:0016597 [amino acid binding]
GO:0019901 [protein kinase binding]
GO:0030424 [axon]
GO:0032024 [positive regulation of insulin secretion]
GO:0032781 [positive regulation of ATPase activity]
GO:0032782 [bile acid secretion]
GO:0035729 [cellular response to hepatocyte growth factor stimulus]
GO:0042311 [vasodilation]
GO:0042803 [protein homodimerization activity]
GO:0043005 [neuron projection]
GO:0043025 [neuronal cell body]
GO:0043679 [axon terminus]
GO:0044325 [ion channel binding]
GO:0045907 [positive regulation of vasoconstriction]
GO:0046872 [metal ion binding]
GO:0048754 [branching morphogenesis of an epithelial tube]
GO:0050927 [positive regulation of positive chemotaxis]
GO:0051592 [response to calcium ion]
GO:0051924 [regulation of calcium ion transport]
GO:0060613 [fat pad development]
GO:0070374 [positive regulation of ERK1 and ERK2 cascade]
GO:0070509 [calcium ion import]
GO:0071305 [cellular response to vitamin D]
GO:0071333 [cellular response to glucose stimulus]
GO:0071404 [cellular response to low-density lipoprotein particle stimulus]
GO:0071456 [cellular response to hypoxia]
GO:0071774 [response to fibroblast growth factor]
GO:0090280 [positive regulation of calcium ion import]
GO:1901653 [cellular response to peptide]
GO:1902476 [chloride transmembrane transport]
Show all
1088 aa
121.8 kDa
Yes 7
CASR-204
ENSP00000492190
ENST00000638421
P41180 [Direct mapping]
Extracellular calcium-sensing receptor
Show all
Transporters
G-protein coupled receptors
   GPCRs excl olfactory receptors
   Family 3 (C) receptors
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
   GPCRHMM predicted membrane proteins
   # TM segments-based
   7TM proteins predicted by MDM
Plasma proteins
Disease related genes
FDA approved drug targets
   Small molecule drugs
Human disease related genes
   Cancers
   Cancers of endocrine organs
   Congenital disorders of metabolism
   Congenital disorders of ion transport and metabolism
   Other congenital disorders of metabolism
   Endocrine and metabolic diseases
   Parathyroid diseases
   Other endocrine and metabolic diseases
   Nervous system diseases
   Epilepsy
Mapped to neXtProt
   neXtProt - Evidence at protein level
Show all
GO:0001503 [ossification]
GO:0004435 [phosphatidylinositol phospholipase C activity]
GO:0004930 [G protein-coupled receptor activity]
GO:0005509 [calcium ion binding]
GO:0005513 [detection of calcium ion]
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0005887 [integral component of plasma membrane]
GO:0006874 [cellular calcium ion homeostasis]
GO:0007165 [signal transduction]
GO:0007186 [G protein-coupled receptor signaling pathway]
GO:0007635 [chemosensory behavior]
GO:0009653 [anatomical structure morphogenesis]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0016597 [amino acid binding]
GO:0042803 [protein homodimerization activity]
GO:0046872 [metal ion binding]
GO:0051924 [regulation of calcium ion transport]
GO:0070509 [calcium ion import]
Show all
1078 aa
120.7 kDa
Yes 7
CASR-205
ENSP00000491584
ENST00000639785
P41180 [Direct mapping]
Extracellular calcium-sensing receptor
Show all
Transporters
G-protein coupled receptors
   GPCRs excl olfactory receptors
   Family 3 (C) receptors
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
   GPCRHMM predicted membrane proteins
   # TM segments-based
   7TM proteins predicted by MDM
Plasma proteins
Disease related genes
FDA approved drug targets
   Small molecule drugs
Human disease related genes
   Cancers
   Cancers of endocrine organs
   Congenital disorders of metabolism
   Congenital disorders of ion transport and metabolism
   Other congenital disorders of metabolism
   Endocrine and metabolic diseases
   Parathyroid diseases
   Other endocrine and metabolic diseases
   Nervous system diseases
   Epilepsy
Mapped to neXtProt
   neXtProt - Evidence at protein level
Show all
GO:0001503 [ossification]
GO:0004435 [phosphatidylinositol phospholipase C activity]
GO:0004930 [G protein-coupled receptor activity]
GO:0005509 [calcium ion binding]
GO:0005513 [detection of calcium ion]
GO:0005515 [protein binding]
GO:0005886 [plasma membrane]
GO:0005887 [integral component of plasma membrane]
GO:0006874 [cellular calcium ion homeostasis]
GO:0007165 [signal transduction]
GO:0007186 [G protein-coupled receptor signaling pathway]
GO:0007635 [chemosensory behavior]
GO:0009653 [anatomical structure morphogenesis]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0016597 [amino acid binding]
GO:0042803 [protein homodimerization activity]
GO:0046872 [metal ion binding]
GO:0051924 [regulation of calcium ion transport]
GO:0070509 [calcium ion import]
Show all
1078 aa
120.7 kDa
Yes 7

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