Human CHMP1B Recombinant Protein (RPPB3173)

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SKU:
RPPB3173
Product type:
Recombinant Protein
Size:
10ug
Species:
Human
Target:
CHMP1B
Synonyms:
Charged multivesicular body protein 1b
Synonyms:
CHMP15
Synonyms:
Chromatin-modifying protein 1b
Synonyms:
CHMP1b
Source:
Escherichia Coli
Uniprot:
Q7LBR1
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Description

Product Name:Human CHMP1B Recombinant Protein
Product Code:RPPB3173
Size:10µg
Species:Human
Target:CHMP1B
Synonyms:Charged multivesicular body protein 1b, CHMP1.5, Chromatin-modifying protein 1b, CHMP1b, Vacuolar protein sorting-associated protein 46-2, Vps46-2, hVps46-2, CHMP1B, C18orf2, Vps46B, C10orf2, C18-ORF2.
Source:Escherichia Coli
Physical Appearance:Sterile Filtered colorless solution.
Formulation:CHMP1B protein solution (0.25mg/ml) containing 20mM Tris-HCl buffer (pH8.0), 20% glycerol, 0.1M NaCl and 1mM DTT.
Stability:Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Purity:Greater than 85.0% as determined by SDS-PAGE.
Amino Acid Sequence:MGSSHHHHHH SSGLVPRGSH MGSHMSNMEK HLFNLKFAAK ELSRSAKKCD KEEKAEKAKI KKAIQKGNME VARIHAENAI RQKNQAVNFL RMSARVDAVA ARVQTAVTMG KVTKSMAGVV KSMDATLKTM NLEKISALMD KFEHQFETLD VQTQQMEDTM SSTTTLTTPQ NQVDMLLQEM ADEAGLDLNM ELPQGQTGSV GTSVASAEQD ELSQRLARLR DQV

Charged multivesicular body protein 1b (CHMP1B) is a member of the chromatin-modifying protein/charged multivesicular body protein (CHMP) family. CHMP1B is a possible peripherally associated component of the ESCRT-III (endosomal sorting required for transport complex III) which is involved in MVBs (multivesicular bodies) formation and sorting of endosomal cargo proteins into MVBs. The MVBs contain ILVs (intraluminal vesicles) which are created by invagination and scission from the limiting membrane of the endosome and generally are transported to lysosomes enabling degradation of membrane proteins, such as stimulated growth factor receptors, lysosomal enzymes and lipids.

CHMP1B Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 223 amino acids (1-199 a.a) and having a molecular mass of 24.7kDa (Molecular weight on SDS-PAGE will appear higher).CHMP1B is fused to a 24 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

UniProt Protein 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 and SPAST to the midbody of dividing cells. Involved in HIV-1 p6- and p9-dependent virus release.
NCBI Summary:CHMP1B belongs to the chromatin-modifying protein/charged multivesicular body protein (CHMP) family. These proteins are components of ESCRT-III (endosomal sorting complex required for transport III), a complex involved in degradation of surface receptor proteins and formation of endocytic multivesicular bodies (MVBs). Some CHMPs have both nuclear and cytoplasmic/vesicular distributions, and one such CHMP, CHMP1A (MIM 164010), is required for both MVB formation and regulation of cell cycle progression (Tsang et al., 2006 [PubMed 16730941]).[supplied by OMIM, Mar 2008]
UniProt Code:Q7LBR1
NCBI GenInfo Identifier:31542306
NCBI Gene ID:57132
NCBI Accession:NP_065145
UniProt Secondary Accession:Q7LBR1,Q96E89, Q9HD41,
UniProt Related Accession:Q7LBR1
Molecular Weight:24.7 kDa (223aa), confirmed by MALDI-TOF (Molecular weight on SDS-PAGE will appear higher)
NCBI Full Name:charged multivesicular body protein 1b
NCBI Synonym Full Names:charged multivesicular body protein 1B
NCBI Official Symbol:CHMP1B  
NCBI Official Synonym Symbols:Vps46B; C10orf2; C18orf2; CHMP1.5; Vps46-2; C18-ORF2; hVps46-2  
NCBI Protein Information:charged multivesicular body protein 1b
UniProt Protein Name:Charged multivesicular body protein 1b
UniProt Synonym Protein Names:CHMP1.5; Chromatin-modifying protein 1b; CHMP1b; Vacuolar protein sorting-associated protein 46-2; Vps46-2; hVps46-2
Protein Family:Charged multivesicular body protein
UniProt Gene Name:CHMP1B  
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