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GENE AND PROTEIN SUMMARY

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Gene name

CREBBP

Description

CREB binding protein

Protein class

Candidate cancer biomarkers, Enzymes, Mapped to UniProt SWISS-PROT, Mutated genes in cancer, Transcription factors

Protein evidence

High

Entrez gene summary

This gene is ubiquitously expressed and is involved in the transcriptional coactivation of many different transcription factors. First isolated as a nuclear protein that binds to cAMP-response element binding protein (CREB), this gene is now known to play critical roles in embryonic development, growth control, and homeostasis by coupling chromatin remodeling to transcription factor recognition. The protein encoded by this gene has intrinsic histone acetyltransferase activity and also acts as a scaffold to stabilize additional protein interactions with the transcription complex. This protein acetylates both histone and non-histone proteins. This protein shares regions of very high sequence similarity with protein p300 in its bromodomain, cysteine-histidine-rich regions, and histone acetyltransferase domain. Mutations in this gene cause Rubinstein-Taybi syndrome (RTS). Chromosomal translocations involving this gene have been associated with acute myeloid leukemia. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Feb 2009]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

6 in total
0 with predicted TM region
0 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleus

Additional location(s)

Cytoplasm 

Staining summary

Staining of nucleus and cytoplasm in A-431 and nucleus in U-2 OS.

Reliability (Single)

Antibodies in assay

CAB004212
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Most normal tissues showed moderate to strong nuclear immunoreactivity. Inflammatory and endothelial cells were strongly stained. Hepatocytes were weakly stained.

Tissue specificity

Staining in 73 out of 77 cell types

Reliability (Single)

Antibodies in assay

CAB004212
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 11
Respiratory (lung) 4
Cardiovascular 1
Female tissues 12
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 12
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 89% of the cancers

Antibodies in assay

CAB004212
 

Tissue

Cancer staining

Normal tissue
staining

Breast cancer
 
Carcinoid
 
Cervical cancer
 
 
Colorectal cancer
 
 
Endometrial cancer
 
 
Glioma
 
Head and neck cancer
 
 
Liver cancer
 
 
Lung cancer
 
 
Lymphoma
 
 
 

Tissue

Cancer staining

Normal tissue
staining

Melanoma
 
Ovarian cancer
 
Pancreatic cancer
 
Prostate cancer
 
Renal cancer
 
Skin cancer
 
Stomach cancer
 
 
Testis cancer
 
Thyroid cancer
 
Urothelial cancer
 

Level of antibody staining





Strong
Moderate
Weak
Negative

CELL LINE SUMMARY

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RNA evidence

High
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

CAB004212

CAB004212

A-431 Skin Medium
Weak
A-549 Lung Medium
CACO-2 Colon Medium
HEK 293 Embryonal kidney Medium
HeLa Cervix Medium
Hep-G2 Liver Medium
MCF-7 Pleural effusion High
PC-3 Bone marrow Medium
RT-4 Urinary bladder Medium
U-2 OS Bone High
Weak
U-251 MG Brain Medium
Negative

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB004212 mAb