Main Information

Target

CHMP1A

Host Species

Rabbit

Reactivity

Human, Mouse

Applications

WB

MW

22kD (Calculated)

Conjugate/Modification

Unmodified

Detailed Information

Recommended Dilution Ratio

WB 1:500-2000

Formulation

Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.

Specificity

This antibody detects endogenous levels of CHMP1A at Human, Mouse

Purification

The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.

Storage

-15°C to -25°C/1 year(Do not lower than -25°C)

Concentration

1 mg/ml

MW(Calculated)

22kD

Modification

Unmodified

Clonality

Polyclonal

Isotype

IgG

Antigen&Target Information

Immunogen:

Synthesized peptide derived from human CHMP1A

Specificity:

This antibody detects endogenous levels of CHMP1A at Human, Mouse

Gene Name:

CHMP1A CHMP1 KIAA0047 PCOLN3 PRSM1

Protein Name:

Charged multivesicular body protein 1a (Chromatin-modifying protein 1a) (CHMP1a) (Vacuolar protein sorting-associated protein 46-1) (Vps46-1) (hVps46-1)

Database Link:

Organism	Gene ID	SwissProt
Human	5119;	Q9HD42;
Mouse	234852;	Q921W0;

Function:

Probable peripherally associated component of the endosomal sorting required for transport complex III (ESCRT-III) which is involved in multivesicular bodies (MVBs) formation and sorting of endosomal cargo proteins into MVBs. MVBs contain intraluminal vesicles (ILVs) that are generated by invagination and scission from the limiting membrane of the endosome and mostly are delivered to lysosomes enabling degradation of membrane proteins, such as stimulated growth factor receptors, lysosomal enzymes and lipids. The MVB pathway appears to require the sequential function of ESCRT-O, -I,-II and -III complexes. ESCRT-III proteins mostly dissociate from the invaginating membrane before the ILV is released. The ESCRT machinery also functions in topologically equivalent membrane fission events, such as the terminal stages of cytokinesis and the budding of enveloped viruses (HIV-1 and other lentiviruses). ESCRT-III proteins are believed to mediate the necessary vesicle extrusion and/or membrane fission activities, possibly in conjunction with the AAA ATPase VPS4. Involved in cytokinesis. Involved in recruiting VPS4A and/or VPS4B to the midbody of dividing cells. May also be involved in chromosome condensation. Targets the Polycomb group (PcG) protein BMI1/PCGF4 to regions of condensed chromatin. May play a role in stable cell cycle progression and in PcG gene silencing.

Cellular Localization:

Cytoplasm. Endosome membrane; Peripheral membrane protein. Nucleus matrix. The cytoplasmic form is partially membrane-associated and localizes to early endosomes. The nuclear form remains associated with the chromosome scaffold during mitosis. On overexpression, it localizes to nuclear bodies characterized by nuclease-resistant condensed chromatin.

Tissue Expression:

Expressed in placenta, cultured skin fibroblasts and in osteoblast cell line MG-63.