"DFFA" Related Products

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Recombinant Human DNA Fragmentation Factor, 45kDa, Alpha Polypeptide, His-tagged

Cat. No.: DFFA-4316H
Product Overview: DFFA Human Recombinant fused with 20 amino acid His tag at N-terminus produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 351 amino acids (1- 331 a.a.) and having a molecular mass of 38.7kDa.The DFFA is purified by proprietary chromatographic techniques.
Description: DFF is a heterodimeric protein of 40kDa (DFFB) and 45kDa (DFFA) subunits. DFFA (DNA fragmentation factor subunit alpha) is the substrate for caspase-3 and triggers DNA fragmentation during apoptosis. DFF is activated once DFFA is cleaved by caspase-3. The cleaved fragments of DFFA detach from DFFB (the active component of DFF), which in turn triggers DNA fragmentation as well as chromatin condensation during apoptosis. Apoptosis is accompanied by shrinkage and fragmentation of the cells and nuclei and degradation of the chromosomal DNA into nucleosomal units. A reduced level of DFFA detected in ovarian endometriosis may be a part of an apoptosis-resistant mechanism enhancing the disease progression. DFFA at chromosome 1 shows rare allelic variants in neuroblastoma tumors.
Source: Human
Host: Escherichia Coli.
Form: The DFFA solution contains 20mM Tris-HCl buffer (pH 8.0), 10% glycerol and 1mM DTT.
Purity: Greater than 90.0% as determined by SDS-PAGE.
Physical Appearance: Sterile Filtered colorless solution.
Amino acid sequence: MGSSHHHHHH SSGLVPRGSH MEVTGDAGVP ESGEIRTLKP CLLRRNYSRE QHGVAASCLE DLRSKACDIL AIDKSLTPVT LVLAEDGTIV DDDDYFLCLP SNTKFVALAS NEKWAYNNSD GGTAWISQES FDVDETDSGA GLKWKNVARQ LKEDLSSIIL LSEEDLQMLV DAPCSDLAQE LRQSCATVQR LQHTLQQVLD QREEVRQSKQ LLQLYLQALE KEGSLLSKQE ESKAAFGEEV DAVDTGISRE TSSDVALASH ILTALREKQA PELSLSSQDL ELVTKEDPKA LAVALNWDIK KTETVQEACE WELALRLQQT QSLHSLRSIS ASKASPPGDL QNPKRARQDP T.
Storage: DFFA although stable 4°C for 4 weeks, should be stored desiccated below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
Pathways: Apoptosis
Gene Name: DFFA DNA fragmentation factor, 45kDa, alpha polypeptide [ Homo sapiens ]
Official Symbol: DFFA
Synonyms: DFFA; DNA fragmentation factor, 45kDa, alpha polypeptide; DFF1; ICAD; DFF-45; DFF45; ICAD; DFF1; DNA fragmentation factor subunit alpha; DNA fragmentation factor 45 kDa subunit; Inhibitor of CAD; DFF45; H13; OTTHUMP00000001903; OTTHUMP00000001904; DNA fragmentation factor, 45 kD, alpha subunit
Gene ID: 1676
mRNA Refseq: NM_004401
Protein Refseq: NP_004392
MIM: 601882
UniProt ID: O00273
Chromosome Location: 1p36.3-p36.2
Function: caspase-activated deoxyribonuclease activity; identical protein binding

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