製品: CHMP4B Antibody
カタログ: DF12256
タンパク質の説明: Rabbit polyclonal antibody to CHMP4B
アプリケーション: WB IHC IF/ICC
反応性: Human, Mouse, Rat
予測: Pig, Zebrafish, Bovine, Sheep, Rabbit, Dog, Chicken, Xenopus
分子量: 29-33 kDa; 25kD(Calculated).
ユニプロット: Q9H444
RRID: AB_2845061

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製品説明

ソース:
Rabbit
アプリケーション:
WB 1:500-1:2000, IHC 1:50-1:200, IF/ICC 1:100-1:500
*The optimal dilutions should be determined by the end user.
*Tips:

WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.

反応性:
Human,Mouse,Rat
予測:
Pig(100%), Zebrafish(91%), Bovine(100%), Sheep(100%), Rabbit(100%), Dog(92%), Chicken(92%), Xenopus(83%)
クローナリティ:
Polyclonal
特異性:
CHMP4B Antibody detects endogenous levels of total CHMP4B.
RRID:
AB_2845061
引用形式: Affinity Biosciences Cat# DF12256, RRID:AB_2845061.
コンジュゲート:
Unconjugated.
精製:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).
保存:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
別名:

折りたたみ/展開

Charged multivesicular body protein 4b; CHM4B_HUMAN; chmp4b; Chromatin-modifying protein 4b; hSnf7-2; hVps32-2; SNF7 homolog associated with Alix 1; SNF7-2; Vacuolar protein sorting-associated protein 32-2; Vps32-2;

免疫原

免疫原:
Uniprot:
遺伝子(ID):
発現特異性:
Q9H444 CHM4B_HUMAN:

Widely expressed. Expressed at higher level in heart and skeletal muscle. Also expressed in brain, colon, thymus, spleen, kidney, liver, small intestine, placenta, lung and peripheral blood lymphocytes.

タンパク質配列:
MSVFGKLFGAGGGKAGKGGPTPQEAIQRLRDTEEMLSKKQEFLEKKIEQELTAAKKHGTKNKRAALQALKRKKRYEKQLAQIDGTLSTIEFQREALENANTNTEVLKNMGYAAKAMKAAHDNMDIDKVDELMQDIADQQELAEEISTAISKPVGFGEEFDEDELMAELEELEQEELDKNLLEISGPETVPLPNVPSIALPSKPAKKKEEEDDDMKELENWAGSM

種類予測

種類予測:

Score>80(red) has high confidence and is suggested to be used for WB detection. *The prediction model is mainly based on the alignment of immunogen sequences, the results are for reference only, not as the basis of quality assurance.

Species
Results
Score
Pig
100
Bovine
100
Sheep
100
Rabbit
100
Dog
92
Chicken
92
Zebrafish
91
Xenopus
83
Horse
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

PTMs - Q9H444 基板として

Site PTM Type Enzyme
S2 Acetylation
S2 Phosphorylation
K6 Acetylation
K6 Ubiquitination
K14 Ubiquitination
K17 Acetylation
K17 Ubiquitination
K38 Ubiquitination
K55 Ubiquitination
K70 Ubiquitination
S87 Phosphorylation
T103 Phosphorylation
K107 Ubiquitination
K114 Acetylation
K114 Ubiquitination
K117 Methylation
S184 Phosphorylation
T188 Phosphorylation
S196 Phosphorylation
S201 Phosphorylation
K202 Acetylation
K202 Ubiquitination
S223 Phosphorylation

研究背景

機能:

Probable core 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. Together with SPAST, the ESCRT-III complex promotes nuclear envelope sealing and mitotic spindle disassembly during late anaphase. Plays a role in the endosomal sorting pathway. ESCRT-III proteins are believed to mediate the necessary vesicle extrusion and/or membrane fission activities, possibly in conjunction with the AAA ATPase VPS4. When overexpressed, membrane-assembled circular arrays of CHMP4B filaments can promote or stabilize negative curvature and outward budding. CHMP4A/B/C are required for the exosomal release of SDCBP, CD63 and syndecan.

(Microbial infection) The ESCRT machinery also functions in topologically equivalent membrane fission events, such as the budding of enveloped viruses (HIV-1 and other lentiviruses). Via its interaction with PDCD6IP involved in HIV-1 p6- and p9-dependent virus release.

PTMs:

ISGylated. Isgylation weakens its interaction with VPS4A.

細胞の位置付け:

Cytoplasm>Cytosol. Late endosome membrane>Peripheral membrane protein. Midbody. Nucleus envelope.
Note: Recruited to the nuclear envelope by CHMP7 during late anaphase (PubMed:26040712). Localizes transiently to the midbody arms immediately before abscission (PubMed:22422861).

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
組織特異性:

Widely expressed. Expressed at higher level in heart and skeletal muscle. Also expressed in brain, colon, thymus, spleen, kidney, liver, small intestine, placenta, lung and peripheral blood lymphocytes.

サブユニット構造:

Probable core component of the endosomal sorting required for transport complex III (ESCRT-III). ESCRT-III components are thought to multimerize to form a flat lattice on the perimeter membrane of the endosome. Several assembly forms of ESCRT-III may exist that interact and act sequentially. Interacts with CHMP6 and CHMP4C. Interacts with PDCD6IP; the interaction is direct. Interacts with VPS4A; the interaction is direct. Interacts with VPS4B; the interaction is direct. Interacts with CHMP7. Interacts with CFTR; the interaction requires misfolded CFTR. Interacts with PTPN23.

タンパク質ファミリー:

The acidic C-terminus and the basic N-termminus are thought to render the protein in a closed, soluble and inactive conformation through an autoinhibitory intramolecular interaction. The open and active conformation, which enables membrane binding and oligomerization, is achieved by interaction with other cellular binding partners, probably including other ESCRT components.

Belongs to the SNF7 family.

研究領域

· Cellular Processes > Transport and catabolism > Endocytosis.   (View pathway)

· Cellular Processes > Cell growth and death > Necroptosis.   (View pathway)

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