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GENE AND PROTEIN SUMMARY

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Gene name

ESPL1

Description

extra spindle pole bodies homolog 1 (S. cerevisiae)

Protein class

Enzymes, Mapped to UniProt SWISS-PROT, Peptidases, Potential transmembrane proteins

Protein evidence

Medium

Entrez gene summary

Stable cohesion between sister chromatids before anaphase and their timely separation during anaphase are critical for chromosome inheritance. In vertebrates, sister chromatid cohesion is released in 2 steps via distinct mechanisms. The first step involves phosphorylation of STAG1 (MIM 604358) or STAG2 (MIM 300826) in the cohesin complex. The second step involves cleavage of the cohesin subunit SCC1 (RAD21; MIM 606462) by ESPL1, or separase, which initiates the final separation of sister chromatids (Sun et al., 2009 [PubMed 19345191]).[supplied by OMIM, Nov 2010]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

4 in total
2 with predicted TM region
0 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Vesicles

Additional location(s)

Nucleus but not nucleoli 

Staining summary

Staining of vesicles in all three cell lines, with additional staining of nucleus in A-431 and U-251 MG.

Reliability (Single)

Antibodies in assay

CAB012185
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Normal tissues demonstrated moderate to strong cytoplasmic and nuclear immunoreactivity.

Tissue specificity

Staining in 75 out of 82 cell types

Reliability (Single)

Antibodies in assay

CAB012185
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 13
Respiratory (lung) 4
Cardiovascular 1
Female tissues 13
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 14
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 99% of the cancers

Antibodies in assay

CAB012185
 

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

CAB012185

CAB012185

A-431 Skin Medium
Strong
A-549 Lung High
CACO-2 Colon High
HEK 293 Embryonal kidney High
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 Medium
Weak
U-251 MG Brain Medium
Moderate

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB012185 msAb