Human CALR Recombinant Protein (RPPB2969)
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주문- SKU:
- RPPB2969
- Product type:
- Recombinant Protein
- Size:
- 25ug
- Species:
- Human
- Target:
- CALR
- Synonyms:
- cC1qR
- Synonyms:
- CRT
- Synonyms:
- FLJ26680
- Synonyms:
- RO
- Source:
- Escherichia Coli
- Uniprot:
- P27797
Description
| Product Name: | Human CALR Recombinant Protein |
| Product Code: | RPPB2969 |
| Size: | 25µg |
| Species: | Human |
| Target: | CALR |
| Synonyms: | cC1qR, CRT, FLJ26680, RO, SSA, CRP55, Calreticulin, ERp60, CRTC, CALR. |
| Source: | Escherichia Coli |
| Physical Appearance: | Sterile filtered colorless solution. |
| Formulation: | CALR Human solution containing 20mM Tris-HCl pH-8, 1mM DTT, 0.1M NaCl and 10% glycerol. |
| 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% as determined by SDS-PAGE. |
| Amino Acid Sequence: | MGSSHHHHHH SSGLVPRGSH MEPAVYFKEQ FLDGDGWTSR WIESKHKSDF GKFVLSSGKF YGDEEKDKGL QTSQDARFYA LSASFEPFSN KGQTLVVQFT VKHEQNIDCG GGYVKLFPNS LDQTDMHGDS EYNIMFGPDI CGPGTKKVHV IFNYKGKNVL INKDIRCKDD EFTHLYTLIV RPDNTYEVKI DNSQVESGSL EDDWDFLPPK KIKDPDASKP EDWDERAKID DPTDSKPEDW DKPEHIPDPD AKKPEDWDEE MDGEWEPPVI QNPEYKGEWK PRQIDNPDYK GTWIHPEIDN PEYSPDPSIY AYDNFGVLGL DLWQVKSGTI FDNFLITNDE AYAEEFGNET WGVTKAAEKQ MKDKQDEEQR LKEEEEDKKR KEEEEAEDKE DDEDKDEDEE DEEDKEEDEE EDVPGQAKDE L |
CALR is a multifunctional protein that acts as a main Ca(2+)-binding (storage) protein in the lumen of the endoplasmic reticulum. Calreticulin is localized in the nucleus, and participates in transcription regulation. Calreticulin binds to the synthetic peptide KLGFFKR, which is nearly identical to an amino acid sequence in the DNA-binding domain of the superfamily of nuclear receptors. CALR binds to antibodies in specific sera of systemic lupus and Sjogren patients which have anti-Ro/SSA antibodies, it is well conserved among species, and it is positioned in the endoplasmic and sarcoplasmic reticulum where it binds calcium. The amino terminus of CALR interacts with the DNA-binding domain of the glucocorticoid receptor and prevents the receptor from binding to its specific glucocorticoid response element. CALR reduces the binding of androgen receptor to its hormone-responsive DNA element and inhibits androgen receptor and retinoic acid receptor transcriptional activities in vivo, as well as retinoic acid-induced neuronal differentiation. Therefore, CALR acts as a significant modulator of the regulation of gene transcription by nuclear hormone receptors.
CALR Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 421 amino acids (18-417 a.a.) and having a molecular mass of 48.7 kDa. CALR protein is fused to a 21 amino acid His-Tag at N-terminus and purified by standard chromatography.
| UniProt Protein Function: | Calreticulin: Calcium-binding chaperone that promotes folding, oligomeric assembly and quality control in the endoplasmic reticulum (ER) via the calreticulin/calnexin cycle. This lectin interacts transiently with almost all of the monoglucosylated glycoproteins that are synthesized in the ER. Interacts with the DNA-binding domain of NR3C1 and mediates its nuclear export. Involved in maternal gene expression regulation. May participate in oocyte maturation via the regulation of calcium homeostasis. Monomer. Component of an EIF2 complex at least composed of CELF1/CUGBP1, CALR, CALR3, EIF2S1, EIF2S2, HSP90B1 and HSPA5. Interacts with PDIA3/ERp57. Interacts with NR3C1 and TRIM21. Interacts with GABARAP. Belongs to the calreticulin family. |
| UniProt Protein Details: | Protein type:Calcium-binding; Motility/polarity/chemotaxis; Nuclear receptor co-regulator; Secreted; Secreted, signal peptide Chromosomal Location of Human Ortholog: 19p13.13 Cellular Component: cell surface; cytoplasm; cytosol; endoplasmic reticulum; endoplasmic reticulum lumen; extracellular region; extracellular space; focal adhesion; intracellular; membrane; nucleus; perinuclear region of cytoplasm; polysome Molecular Function:androgen receptor binding; calcium ion binding; carbohydrate binding; chaperone binding; complement component C1q binding; glycoprotein binding; integrin binding; mRNA binding; protein binding; ubiquitin protein ligase binding; unfolded protein binding; zinc ion binding Biological Process: antigen processing and presentation of peptide antigen via MHC class I; cellular calcium ion homeostasis; glucocorticoid receptor signaling pathway; negative regulation of neuron differentiation; negative regulation of retinoic acid receptor signaling pathway; negative regulation of steroid hormone receptor signaling pathway; negative regulation of transcription from RNA polymerase II promoter; negative regulation of transcription, DNA-dependent; negative regulation of translation; peptide antigen assembly with MHC class I protein complex; positive regulation of cell cycle; positive regulation of cell proliferation; positive regulation of DNA replication; positive regulation of phagocytosis; protein export from nucleus; protein folding; protein maturation via protein folding; protein stabilization; receptor-mediated endocytosis; regulation of apoptosis; regulation of transcription, DNA-dependent; sequestering of calcium ion Disease: Myelofibrosis; Thrombocythemia 1 |
| NCBI Summary: | Calreticulin is a multifunctional protein that acts as a major Ca(2+)-binding (storage) protein in the lumen of the endoplasmic reticulum. It is also found in the nucleus, suggesting that it may have a role in transcription regulation. Calreticulin binds to the synthetic peptide KLGFFKR, which is almost identical to an amino acid sequence in the DNA-binding domain of the superfamily of nuclear receptors. Calreticulin binds to antibodies in certain sera of systemic lupus and Sjogren patients which contain anti-Ro/SSA antibodies, it is highly conserved among species, and it is located in the endoplasmic and sarcoplasmic reticulum where it may bind calcium. The amino terminus of calreticulin interacts with the DNA-binding domain of the glucocorticoid receptor and prevents the receptor from binding to its specific glucocorticoid response element. Calreticulin can inhibit the binding of androgen receptor to its hormone-responsive DNA element and can inhibit androgen receptor and retinoic acid receptor transcriptional activities in vivo, as well as retinoic acid-induced neuronal differentiation. Thus, calreticulin can act as an important modulator of the regulation of gene transcription by nuclear hormone receptors. Systemic lupus erythematosus is associated with increased autoantibody titers against calreticulin but calreticulin is not a Ro/SS-A antigen. Earlier papers referred to calreticulin as an Ro/SS-A antigen but this was later disproven. Increased autoantibody titer against human calreticulin is found in infants with complete congenital heart block of both the IgG and IgM classes. [provided by RefSeq, Jul 2008] |
| UniProt Code: | P27797 |
| NCBI GenInfo Identifier: | 117501 |
| NCBI Gene ID: | 811 |
| NCBI Accession: | P27797.1 |
| UniProt Secondary Accession: | P27797,Q6IAT4, Q9UDG2, |
| UniProt Related Accession: | P27797 |
| Molecular Weight: | 48,142 Da |
| NCBI Full Name: | Calreticulin |
| NCBI Synonym Full Names: | calreticulin |
| NCBI Official Symbol: | CALRÂ Â |
| NCBI Official Synonym Symbols: | RO; CRT; SSA; cC1qR; HEL-S-99n  |
| NCBI Protein Information: | calreticulin |
| UniProt Protein Name: | Calreticulin |
| UniProt Synonym Protein Names: | CRP55; Calregulin; Endoplasmic reticulum resident protein 60; ERp60; HACBP; grp60 |
| Protein Family: | Calreticulin |
| UniProt Gene Name: | CALRÂ Â |
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