Recombinant Human Charged multivesicular body protein 4b (CHMP4B)

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中文名稱：

Recombinant Human Charged multivesicular body protein 4b(CHMP4B)
貨號：

CSB-EP887976HU
說明書：

MSDS Datasheet
規格：

￥1836
圖片：
(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
其他：

產品詳情
產品評價
相關產品
靶點詳情

產品詳情

純度：

Greater than 90% as determined by SDS-PAGE.
基因名：

CHMP4B
Uniprot No.：

Q9H444
別名：

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
種屬：

Homo sapiens (Human)
蛋白長度：

Full Length
來源：

E.coli
分子量：

51.8kDa
表達區域：

1-224aa
氨基酸序列

SVFGKLFGAGGGKAGKGGPTPQEAIQRLRDTEEMLSKKQEFLEKKIEQELTAAKKHGTKNKRAALQALKRKKRYEKQLAQIDGTLSTIEFQREALENANTNTEVLKNMGYAAKAMKAAHDNMDIDKVDELMQDIADQQELAEEISTAISKPVGFGEEFDEDELMAELEELEQEELDKNLLEISGPETVPLPNVPSIALPSKPAKKKEEEDDDMKELENWAGSM
Note: The complete sequence may include tag sequence, target protein sequence, linker sequence and extra sequence that is translated with the protein sequence for the purpose(s) of secretion, stability, solubility, etc.
If the exact amino acid sequence of this recombinant protein is critical to your application, please explicitly request the full and complete sequence of this protein before ordering.
蛋白標簽：

N-terminal GST-tagged
產品提供形式：

Liquid or Lyophilized powder Warning: in_array() expects parameter 2 to be array, null given in /www/web/cusabio_cn/public_html/caches/caches_template/default/content/show_product_protein.php on line 662
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
緩沖液：

If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose.
儲存條件：

Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
保質期：

The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
貨期：

Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
注意事項：

Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA：

Please contact us to get it.

產品評價

靶點詳情

功能：

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.
基因功能參考文獻：
1. Data (including data from studies using transgenic mice) suggest that the process leading to microparticle release from cardiac myocytes involves recruitment of CHMP4B protein to the forming microparticle membrane which also contains cBIN1; plasma cBIN1 is reduced in patients with heart failure as compared to control subjects. (CHMP4B = charged multivesicular body protein 4B; cBIN1 = cardiac bridging integrator 1) PMID: 28806752
2. homologous domain of human Bro1 domain-containing proteins, Alix and Brox, binds CHMP4B but not STAM2, despite their high structural similarity PMID: 26866605
3. our results implied that CHMP4B could be a promising prognostic biomarker as well as a potential therapeutic target of HCC. PMID: 25874485
4. CHMP4B, through its association with chromatin, may participate in the autophagolysosomal degradation of micronuclei and other extranuclear chromatin. PMID: 24741567
5. hSnf7-1 and hSnf7-2 are preferentially associated with CHMP2A and CHMP2B, respectively, and regulate the turnover of distinct transmembrane cargos such as neurotransmitter receptors in human neurons. PMID: 21975012
6. CHMP4b and Alix participate in formation of multivesicular bodies by cooperating with SKD1 PMID: 12860994
7. ALIX can have a dramatic effect on HIV-1 release by binding at the CHMP4B site; the ability to use ALIX may allow HIV-1 to replicate in cells that express only low levels of Tsg101 PMID: 17428861
8. These data provide the first evidence that CHMP4B plays a vital role the maintenance of lens transparency. PMID: 17701905
9. Results suggest that efficient interaction between CHMP4s and Brox requires Brox farnesylation. PMID: 18190528
10. Study demonstrates that CHMP4A and CHMP4B proteins form novel membrane-attached filaments that can promote or stabilize negative curvature and outward budding. PMID: 18209100
11. The Bro1 domain of ALIX binds specifically to C-terminal residues of the human CHMP4B. PMID: 18511562
12. The CHMP4b- and Src-docking sites in the Bro1 domain are autoinhibited in the native state of Alix. PMID: 19016654
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相關疾病：

Cataract 31, multiple types (CTRCT31)
亞細胞定位：

Cytoplasm, cytosol. Late endosome membrane; Peripheral membrane protein. Midbody. Nucleus envelope.
蛋白家族：

SNF7 family
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.
數據庫鏈接：

HGNC: 16171

OMIM: 605387

KEGG: hsa:128866

STRING: 9606.ENSP00000217402

UniGene: Hs.472471