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HLA-B
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  • HLA-B
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.

HLA-B
Synonyms AS
Gene descriptioni

Full gene name according to HGNC.

Major histocompatibility complex, class I, B
Protein classi

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

Read more
Cancer-related genes
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,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 6
Cytoband p21.33
Chromosome location (bp) 31353872 - 31357188
Number of transcriptsi

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

3
Ensembl ENSG00000234745 (version 103.38)
Entrez gene 3106
HGNC HGNC:4932
UniProt P01889 (UniProt - Evidence at protein level)
neXtProt NX_P01889
Antibodypedia HLA-B 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: 523

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.
HLA-B-249
HLA-B-250
HLA-B-256


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)
HLA-B-249
ENSP00000399168
ENST00000412585
P01889 [Direct mapping]
HLA class I histocompatibility antigen, B alpha chain
E5FQ95 [Target identity:100%; Query identity:100%]
HLA class I histocompatibility antigen; HLA class I histocompatibility antigen B alpha chain; MHC class I antigen; MHC class I protein
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
   1TM proteins predicted by MDM
Cancer-related genes
   Mutated cancer genes
   Mutational cancer driver genes
Disease related genes
Human disease related genes
   Immune system diseases
   Allergies and autoimmune diseases
   Musculoskeletal diseases
   Skeletal diseases
   Other musculoskeletal diseases
   Respiratory diseases
   Tracheobronchial diseases
   Skin diseases
   Skin and soft tissue diseases
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000139 [Golgi membrane]
GO:0001916 [positive regulation of T cell mediated cytotoxicity]
GO:0002250 [adaptive immune response]
GO:0002376 [immune system process]
GO:0002474 [antigen processing and presentation of peptide antigen via MHC class I]
GO:0002479 [antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-dependent]
GO:0002480 [antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-independent]
GO:0002486 [antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-independent]
GO:0002667 [regulation of T cell anergy]
GO:0005102 [signaling receptor binding]
GO:0005515 [protein binding]
GO:0005783 [endoplasmic reticulum]
GO:0005789 [endoplasmic reticulum membrane]
GO:0005794 [Golgi apparatus]
GO:0005886 [plasma membrane]
GO:0005887 [integral component of plasma membrane]
GO:0006952 [defense response]
GO:0006955 [immune response]
GO:0009986 [cell surface]
GO:0012507 [ER to Golgi transport vesicle membrane]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0016032 [viral process]
GO:0016045 [detection of bacterium]
GO:0019882 [antigen processing and presentation]
GO:0030667 [secretory granule membrane]
GO:0030670 [phagocytic vesicle membrane]
GO:0031901 [early endosome membrane]
GO:0032655 [regulation of interleukin-12 production]
GO:0032675 [regulation of interleukin-6 production]
GO:0042270 [protection from natural killer cell mediated cytotoxicity]
GO:0042605 [peptide antigen binding]
GO:0042612 [MHC class I protein complex]
GO:0043312 [neutrophil degranulation]
GO:0045087 [innate immune response]
GO:0046977 [TAP binding]
GO:0050776 [regulation of immune response]
GO:0051087 [chaperone binding]
GO:0055038 [recycling endosome membrane]
GO:0060333 [interferon-gamma-mediated signaling pathway]
GO:0060337 [type I interferon signaling pathway]
GO:0070062 [extracellular exosome]
GO:0071556 [integral component of lumenal side of endoplasmic reticulum membrane]
GO:2001198 [regulation of dendritic cell differentiation]
Show all
362 aa
40.5 kDa
Yes 1
HLA-B-250
ENSP00000405931
ENST00000434333
F6U0H7 [Direct mapping]
HLA class I histocompatibility antigen, B alpha chain
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Cancer-related genes
   Mutated cancer genes
   Mutational cancer driver genes
Human disease related genes
   Immune system diseases
   Allergies and autoimmune diseases
   Musculoskeletal diseases
   Skeletal diseases
   Other musculoskeletal diseases
   Respiratory diseases
   Tracheobronchial diseases
   Skin diseases
   Skin and soft tissue diseases
Protein evidence (Ezkurdia et al 2014)
Show all
246 aa
27.8 kDa
No 0
HLA-B-256
ENSP00000491275
ENST00000640094
A0A1W2PP29 [Direct mapping]
HLA class I histocompatibility antigen, B alpha chain
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Cancer-related genes
   Mutated cancer genes
   Mutational cancer driver genes
Human disease related genes
   Immune system diseases
   Allergies and autoimmune diseases
   Musculoskeletal diseases
   Skeletal diseases
   Other musculoskeletal diseases
   Respiratory diseases
   Tracheobronchial diseases
   Skin diseases
   Skin and soft tissue diseases
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0006955 [immune response]
GO:0019882 [antigen processing and presentation]
Show all
49 aa
5.1 kDa
No 0

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