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NPM1 Antibody (PA5-118124) in ICC/IF
Immunofluorescence staining of NPM1 in HeLa cells. Cells were fixed with 4% PFA, permeabilzed with 0.1% Triton X-100 in PBS, blocked with 10% serum, and incubated with NPM1 Polyclonal Antibody (Product # PA5-118124, 1:200) at 4°C overnight. Then cells were stained with the Alexa Fluor®488-conjugated Goat Anti-rabbit IgG secondary antibody (green) and counterstained with DAPI (blue). Positive staining was localized to nucleus.
Product Details
PA5-118124
Applications
Tested Dilution
Publications
Product Specifications
Species Reactivity
Human
Host/Isotype
Rabbit
/ IgG
Class
Polyclonal
Type
Antibody
Immunogen
E. coli-derived Human Nucleophosmin fragment
Conjugate
Form
Liquid
Purification
Antigen affinity chromatography, Protein A
Storage buffer
PBS, pH 7
Contains
0.03% ProClin 300
Storage conditions
-20° C, Avoid Freeze/Thaw Cycles
Shipping conditions
Wet ice
RRID
AB_2902724
Target Information
NPM1 (Nucleophosmin 1, B23, nutramin, NO38) is a ubiquitously expressed phosphoprotein involved in ribosome assembly/transport, cytoplasmic/nuclear trafficking, regulation of DNA polymerase alpha activity, centrosome duplication, and regulation of p53. NPM1 continuously shuttles between the nucleus, cytoplasm, nucleolus and chaperoning core histones from the nucleus to the cytoplasm. NPM1 has been shown to bind nucleic acid, prevent protein aggregation via its chaperon activities, protect enzymes during thermal denaturation, and facilitate renaturation of chemically denatured proteins. In its cellular structure role, there is evidence suggesting NPM1 is associated with the centrosome, and is the substrate of CDK2/cyclin E during duplication of centrosomes (cellular division). Due to the NPM1 gene interaction with several tumor-associated chromosome translocations, NPM1 is thought to be a portion of several fusion proteins: NPM-ALK, NPM-RAR, and NPM-MLF1. While it is not thought to be part of the transforming potential of these fusion proteins, NPM1 is believed to act as the interface for oligomerization and oncogenic conversion of these tumor promoting fusion proteins. Further, NPM1 is also known to sequester the tumor suppressor RF in the nucleolus, protecting it from degradation until it is necessary. Dysfunction of the NPM1 protein is associated with diseases such as acute myeloid leukemia and lymphomatoid papulosis.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Protein Aliases: B23 antibody; MGC104254; mNPM antibody; mNPM1 antibody; NO38 antibody; NPM; Nucleolar phosphoprotein B23; Nucleolar protein NO38; Nucleophosmin; nucleophosmin (nucleolar phosphoprotein B23, numatrin); nucleophosmin/nucleoplasmin family, member 1; Numatrin; numatrin antibody; testicular tissue protein Li 128
Gene Aliases: B23; NPM; NPM1
UniProt ID: (Human) P06748
Entrez Gene ID: (Human) 4869
transcription coactivator activity
RNA binding
protein kinase inhibitor activity
protein binding
protein kinase binding
Tat protein binding
histone binding
protein homodimerization activity
ribosomal large subunit binding
ribosomal small subunit binding
poly(A) RNA binding
protein heterodimerization activity
NF-kappaB binding
unfolded protein binding
chaperone
DNA repair
nucleosome assembly
intracellular protein transport
nucleocytoplasmic transport
response to stress
DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest
centrosome cycle
signal transduction
cell aging
protein localization
positive regulation of cell proliferation
negative regulation of cell proliferation
negative regulation of centrosome duplication
viral process
regulation of endodeoxyribonuclease activity
CENP-A containing nucleosome assembly
ribosome assembly
negative regulation of apoptotic process
negative regulation of protein kinase activity by regulation of protein phosphorylation
positive regulation of translation
positive regulation of transcription, DNA-templated
regulation of centriole replication
positive regulation of NF-kappaB transcription factor activity
protein oligomerization
regulation of endoribonuclease activity
regulation of eIF2 alpha phosphorylation by dsRNA
positive regulation of cell cycle G2/M phase transition
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