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KRAS
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  • KRAS
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.

KRAS
Synonyms KRAS1, KRAS2
Gene descriptioni

Full gene name according to HGNC.

KRAS proto-oncogene, GTPase
Protein classi

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

Read more
Cancer-related genes
Disease related genes
Enzymes
Human disease related genes
Potential drug targets
RAS pathway related proteins
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 12
Cytoband p12.1
Chromosome location (bp) 25205246 - 25250936
Number of transcriptsi

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

4
Ensembl ENSG00000133703 (version 103.38)
Entrez gene 3845
HGNC HGNC:6407
UniProt P01116 (UniProt - Evidence at protein level)
neXtProt NX_P01116
Antibodypedia KRAS 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: 45      # Population variants: 55

Experimental

Description: Wild-type K-Ras(GNP)/R11.1.6 complex (X-ray)

# Chains: 2      # Clinical variants: 0      # Population variants: 0

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.
KRAS-201
KRAS-202
KRAS-203
KRAS-204


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)
KRAS-201
ENSP00000256078
ENST00000256078
P01116 [Direct mapping]
GTPase KRas GTPase KRas, N-terminally processed
L7RSL8 [Target identity:100%; Query identity:100%]
V-Ki-ras2 Kirsten rat sarcoma viral oncogene homolog; V-Ki-ras2 Kirsten rat sarcoma viral oncogene homolog, isoform CRA_a
Show all
Enzymes
   ENZYME proteins
   Hydrolases
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
RAS pathway related proteins
Cancer-related genes
   Candidate cancer biomarkers
   Mutated cancer genes
   Mutational cancer driver genes
   COSMIC somatic mutations in cancer genes
   COSMIC Somatic Mutations
   COSMIC Missense Mutations
Disease related genes
Potential drug targets
Human disease related genes
   Cancers
   Head and neck cancers
   Cancers of the digestive system
   Cancers of the lung and pleura
   Skin cancers
   Cancers of soft tissues and bone
   Cancers of the breast and female genital organs
   Cancers of endocrine organs
   Cancers of haematopoietic and lymphoid tissues
   Congenital malformations
   Other congenital malformations
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000165 [MAPK cascade]
GO:0000166 [nucleotide binding]
GO:0001889 [liver development]
GO:0001934 [positive regulation of protein phosphorylation]
GO:0002223 [stimulatory C-type lectin receptor signaling pathway]
GO:0003924 [GTPase activity]
GO:0005515 [protein binding]
GO:0005525 [GTP binding]
GO:0005737 [cytoplasm]
GO:0005739 [mitochondrion]
GO:0005829 [cytosol]
GO:0005886 [plasma membrane]
GO:0005925 [focal adhesion]
GO:0007165 [signal transduction]
GO:0007265 [Ras protein signal transduction]
GO:0007565 [female pregnancy]
GO:0008284 [positive regulation of cell population proliferation]
GO:0008542 [visual learning]
GO:0010628 [positive regulation of gene expression]
GO:0016020 [membrane]
GO:0016787 [hydrolase activity]
GO:0019002 [GMP binding]
GO:0019003 [GDP binding]
GO:0019221 [cytokine-mediated signaling pathway]
GO:0021897 [forebrain astrocyte development]
GO:0030036 [actin cytoskeleton organization]
GO:0030275 [LRR domain binding]
GO:0031234 [extrinsic component of cytoplasmic side of plasma membrane]
GO:0031647 [regulation of protein stability]
GO:0032228 [regulation of synaptic transmission, GABAergic]
GO:0035022 [positive regulation of Rac protein signal transduction]
GO:0035900 [response to isolation stress]
GO:0038002 [endocrine signaling]
GO:0043406 [positive regulation of MAP kinase activity]
GO:0043524 [negative regulation of neuron apoptotic process]
GO:0044877 [protein-containing complex binding]
GO:0045121 [membrane raft]
GO:0045596 [negative regulation of cell differentiation]
GO:0048169 [regulation of long-term neuronal synaptic plasticity]
GO:0048873 [homeostasis of number of cells within a tissue]
GO:0051000 [positive regulation of nitric-oxide synthase activity]
GO:0051092 [positive regulation of NF-kappaB transcription factor activity]
GO:0051146 [striated muscle cell differentiation]
GO:0051384 [response to glucocorticoid]
GO:0051385 [response to mineralocorticoid]
GO:0060441 [epithelial tube branching involved in lung morphogenesis]
GO:2000774 [positive regulation of cellular senescence]
Show all
189 aa
21.7 kDa
No 0
KRAS-202
ENSP00000308495
ENST00000311936
P01116 [Direct mapping]
GTPase KRas GTPase KRas, N-terminally processed
A0A024RAV5 [Target identity:100%; Query identity:100%]
V-Ki-ras2 Kirsten rat sarcoma viral oncogene homolog, isoform CRA_b
Show all
Enzymes
   ENZYME proteins
   Hydrolases
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
RAS pathway related proteins
Cancer-related genes
   Candidate cancer biomarkers
   Mutated cancer genes
   Mutational cancer driver genes
   COSMIC somatic mutations in cancer genes
   COSMIC Somatic Mutations
   COSMIC Missense Mutations
Disease related genes
Potential drug targets
Human disease related genes
   Cancers
   Head and neck cancers
   Cancers of the digestive system
   Cancers of the lung and pleura
   Skin cancers
   Cancers of soft tissues and bone
   Cancers of the breast and female genital organs
   Cancers of endocrine organs
   Cancers of haematopoietic and lymphoid tissues
   Congenital malformations
   Other congenital malformations
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000165 [MAPK cascade]
GO:0000166 [nucleotide binding]
GO:0001934 [positive regulation of protein phosphorylation]
GO:0002223 [stimulatory C-type lectin receptor signaling pathway]
GO:0003924 [GTPase activity]
GO:0005515 [protein binding]
GO:0005525 [GTP binding]
GO:0005737 [cytoplasm]
GO:0005829 [cytosol]
GO:0005886 [plasma membrane]
GO:0005925 [focal adhesion]
GO:0007165 [signal transduction]
GO:0007265 [Ras protein signal transduction]
GO:0008284 [positive regulation of cell population proliferation]
GO:0010628 [positive regulation of gene expression]
GO:0016020 [membrane]
GO:0016787 [hydrolase activity]
GO:0019003 [GDP binding]
GO:0031234 [extrinsic component of cytoplasmic side of plasma membrane]
GO:0031647 [regulation of protein stability]
GO:0042802 [identical protein binding]
GO:0044877 [protein-containing complex binding]
Show all
188 aa
21.4 kDa
No 0
KRAS-203
ENSP00000451856
ENST00000556131
G3V4K2 [Direct mapping]
GTPase KRas
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
RAS pathway related proteins
Cancer-related genes
   Mutated cancer genes
   Mutational cancer driver genes
   COSMIC somatic mutations in cancer genes
   COSMIC Somatic Mutations
   COSMIC Missense Mutations
Human disease related genes
   Cancers
   Head and neck cancers
   Cancers of the digestive system
   Cancers of the lung and pleura
   Skin cancers
   Cancers of soft tissues and bone
   Cancers of the breast and female genital organs
   Cancers of endocrine organs
   Cancers of haematopoietic and lymphoid tissues
   Congenital malformations
   Other congenital malformations
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000166 [nucleotide binding]
GO:0003924 [GTPase activity]
GO:0005525 [GTP binding]
GO:0007165 [signal transduction]
GO:0016020 [membrane]
Show all
43 aa
4.7 kDa
No 0
KRAS-204
ENSP00000452512
ENST00000557334
G3V5T7 [Direct mapping]
GTPase KRas
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
RAS pathway related proteins
Cancer-related genes
   Mutated cancer genes
   Mutational cancer driver genes
   COSMIC somatic mutations in cancer genes
   COSMIC Somatic Mutations
   COSMIC Missense Mutations
Human disease related genes
   Cancers
   Head and neck cancers
   Cancers of the digestive system
   Cancers of the lung and pleura
   Skin cancers
   Cancers of soft tissues and bone
   Cancers of the breast and female genital organs
   Cancers of endocrine organs
   Cancers of haematopoietic and lymphoid tissues
   Congenital malformations
   Other congenital malformations
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000166 [nucleotide binding]
GO:0003924 [GTPase activity]
GO:0005525 [GTP binding]
GO:0007165 [signal transduction]
GO:0016020 [membrane]
Show all
75 aa
8.5 kDa
No 0

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