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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.

ESPN
Synonyms DFNB36
Gene descriptioni

Full gene name according to HGNC.

Espin
Protein classi

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

Read more
Disease related genes
Human disease related genes
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
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 p36.31
Chromosome location (bp) 6424776 - 6461367
Number of transcriptsi

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

14
Ensembl ENSG00000187017 (version 103.38)
Entrez gene 83715
HGNC HGNC:13281
UniProt B1AK53 (UniProt - Evidence at protein level)
neXtProt NX_B1AK53
Antibodypedia ESPN 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: 4      # Population variants: 679

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.
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ESPN-201
ESPN-202
ESPN-203
ESPN-204
ESPN-206
ESPN-207
ESPN-208
ESPN-209
ESPN-211
ESPN-212
ESPN-213
ESPN-215
ESPN-216
ESPN-217
»


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)
ESPN-201
ENSP00000399239
ENST00000416731
A0A0A0MSQ4 [Direct mapping]
Espin
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Eye disease
   Ear disease
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003779 [actin binding]
GO:0051015 [actin filament binding]
GO:0051017 [actin filament bundle assembly]
Show all
288 aa
31.5 kDa
No 0
ESPN-202
ENSP00000401793
ENST00000418286
Q5JYL1 [Direct mapping]
Espin
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Eye disease
   Ear disease
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003779 [actin binding]
GO:0005515 [protein binding]
GO:0051015 [actin filament binding]
GO:0051017 [actin filament bundle assembly]
Show all
213 aa
22.8 kDa
No 0
ESPN-203
ENSP00000413621
ENST00000434576
H0Y7L4 [Direct mapping]
Espin
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Eye disease
   Ear disease
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003779 [actin binding]
GO:0051015 [actin filament binding]
GO:0051017 [actin filament bundle assembly]
Show all
188 aa
21.4 kDa
No 0
ESPN-204
ENSP00000465308
ENST00000461727
B1AK53 [Direct mapping]
Espin
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Disease related genes
Human disease related genes
   Nervous system diseases
   Eye disease
   Ear disease
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003779 [actin binding]
GO:0005737 [cytoplasm]
GO:0005856 [cytoskeleton]
GO:0005902 [microvillus]
GO:0005903 [brush border]
GO:0007605 [sensory perception of sound]
GO:0017124 [SH3 domain binding]
GO:0030034 [microvillar actin bundle assembly]
GO:0031941 [filamentous actin]
GO:0032420 [stereocilium]
GO:0032426 [stereocilium tip]
GO:0042995 [cell projection]
GO:0051015 [actin filament binding]
GO:0051017 [actin filament bundle assembly]
Show all
288 aa
31.6 kDa
No 0
ESPN-206
ENSP00000488721
ENST00000475228
A0A0J9YY76 [Direct mapping]
Espin
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Eye disease
   Ear disease
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003779 [actin binding]
GO:0051015 [actin filament binding]
GO:0051017 [actin filament bundle assembly]
Show all
179 aa
20.3 kDa
No 0
ESPN-207
ENSP00000496370
ENST00000475479
A0A2R8Y7L7 [Direct mapping]
Espin
Show all
   SPOCTOPUS predicted secreted proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Eye disease
   Ear disease
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003779 [actin binding]
GO:0051015 [actin filament binding]
GO:0051017 [actin filament bundle assembly]
Show all
82 aa
8.3 kDa
No 0
ESPN-208
ENSP00000495669
ENST00000477679
A0A2R8YG57 [Direct mapping]
Espin
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Eye disease
   Ear disease
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003779 [actin binding]
GO:0051015 [actin filament binding]
GO:0051017 [actin filament bundle assembly]
Show all
206 aa
23.4 kDa
No 0
ESPN-209
ENSP00000466437
ENST00000478323
K7EMB7 [Direct mapping]
Espin
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Eye disease
   Ear disease
Protein evidence (Ezkurdia et al 2014)
Show all
28 aa
2.9 kDa
No 0
ESPN-211
ENSP00000495145
ENST00000632593
A0A2R8Y6D3 [Direct mapping]
Espin
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Eye disease
   Ear disease
Protein evidence (Ezkurdia et al 2014)
Show all
84 aa
8.4 kDa
No 0
ESPN-212
ENSP00000487748
ENST00000632803
A0A0J9YW00 [Direct mapping]
Espin
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Eye disease
   Ear disease
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003779 [actin binding]
GO:0051015 [actin filament binding]
GO:0051017 [actin filament bundle assembly]
Show all
60 aa
5.9 kDa
No 0
ESPN-213
ENSP00000488071
ENST00000633239
A0A0J9YWQ8 [Direct mapping]
Espin
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Eye disease
   Ear disease
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003779 [actin binding]
GO:0051015 [actin filament binding]
GO:0051017 [actin filament bundle assembly]
Show all
237 aa
26.9 kDa
No 0
ESPN-215
ENSP00000490186
ENST00000636330
A0A1B0GUN9 [Direct mapping]
Espin
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Eye disease
   Ear disease
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003779 [actin binding]
GO:0005515 [protein binding]
GO:0051015 [actin filament binding]
GO:0051017 [actin filament bundle assembly]
Show all
1362 aa
147.4 kDa
No 0
ESPN-216
ENSP00000490230
ENST00000636644
A0A1B0GUS9 [Direct mapping]
Espin
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Eye disease
   Ear disease
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003779 [actin binding]
GO:0051015 [actin filament binding]
GO:0051017 [actin filament bundle assembly]
Show all
176 aa
19.3 kDa
No 0
ESPN-217
ENSP00000496593
ENST00000645284
B1AK53 [Direct mapping]
Espin
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Disease related genes
Human disease related genes
   Nervous system diseases
   Eye disease
   Ear disease
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003779 [actin binding]
GO:0005515 [protein binding]
GO:0005737 [cytoplasm]
GO:0005856 [cytoskeleton]
GO:0005902 [microvillus]
GO:0005903 [brush border]
GO:0007605 [sensory perception of sound]
GO:0017124 [SH3 domain binding]
GO:0030034 [microvillar actin bundle assembly]
GO:0031941 [filamentous actin]
GO:0032420 [stereocilium]
GO:0032426 [stereocilium tip]
GO:0042995 [cell projection]
GO:0051015 [actin filament binding]
GO:0051017 [actin filament bundle assembly]
Show all
854 aa
91.7 kDa
No 0

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