Recombinant Human Cysteine and glycine-rich protein 3 (CSRP3)

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Code CSB-EP006087HU
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Size $224
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
  • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP006087HU could indicate that this peptide derived from E.coli-expressed Homo sapiens (Human) CSRP3.
  • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP006087HU could indicate that this peptide derived from E.coli-expressed Homo sapiens (Human) CSRP3.
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Product Details

Purity
Greater than 90% as determined by SDS-PAGE.
Target Names
CSRP3
Uniprot No.
Research Area
Developmental Biology
Alternative Names
cardiac; Cardiac LIM protein; CLP; CMD1M; CMH12; CRP3; Csrp3; CSRP3_HUMAN; Cysteine and glycine-rich protein 3; Cysteine rich protein 3; Cysteine-rich protein 3; LIM domain only 4; LIM domain protein; LMO4; MLP; Muscle LIM protein
Species
Homo sapiens (Human)
Source
E.coli
Expression Region
1-194aa
Target Protein Sequence
MPNWGGGAKCGACEKTVYHAEEIQCNGRSFHKTCFHCMACRKALDSTTVAAHESEIYCKVCYGRRYGPKGIGYGQGAGCLSTDTGEHLGLQFQQSPKPARSVTTSNPSKFTAKFGESEKCPRCGKSVYAAEKVMGGGKPWHKTCFRCAICGKSLESTNVTDKDGELYCKVCYAKNFGPTGIGFGGLTQQVEKKE
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
37.0kDa
Protein Length
Full Length
Tag Info
N-terminal 6xHis-SUMO-tagged
Form
Liquid or Lyophilized powder
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.
Buffer
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, pH 8.0.
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
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.
Lead Time
3-7 business days
Notes
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.
Description

Incorporation of the gene encoding the Human CSRP3 protein (1-194aa) into a plasmid vector forms recombinant plasmid, which is then transformed into e.coli cells. baculovirus cells containing the recombinant plasmid that can survive in the presence of a specific antibiotic are selected and cultured under conditions conducive to the expression of the gene of interest. The protein features a N-terminal 6xHis-SUMO tag fusion. Following expression, the recombinant Human CSRP3 protein is isolated and purified from the cell lysate using affinity purification. Denaturing SDS-PAGE is then employed to resolve the resulting recombinant protein, demonstrating a purity greater than 90%.

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Target Background

Function
Positive regulator of myogenesis. Acts as cofactor for myogenic bHLH transcription factors such as MYOD1, and probably MYOG and MYF6. Enhances the DNA-binding activity of the MYOD1:TCF3 isoform E47 complex and may promote formation of a functional MYOD1:TCF3 isoform E47:MEF2A complex involved in myogenesis. Plays a crucial and specific role in the organization of cytosolic structures in cardiomyocytes. Could play a role in mechanical stretch sensing. May be a scaffold protein that promotes the assembly of interacting proteins at Z-line structures. It is essential for calcineurin anchorage to the Z line. Required for stress-induced calcineurin-NFAT activation. The role in regulation of cytoskeleton dynamics by association with CFL2 is reported conflictingly: Shown to enhance CFL2-mediated F-actin depolymerization dependent on the CSRP3:CFL2 molecular ratio, and also shown to reduce the ability of CLF1 and CFL2 to enhance actin depolymerization. Proposed to contribute to the maintenance of muscle cell integerity through an actin-based mechanism. Can directly bind to actin filaments, cross-link actin filaments into bundles without polarity selectivity and protect them from dilution- and cofilin-mediated depolymerization; the function seems to involve its self-association. In vitro can inhibit PKC/PRKCA activity. Proposed to be involved in cardiac stress signaling by down-regulating excessive PKC/PRKCA signaling.; May play a role in early sarcomere organization. Overexpression in myotubes negatively regulates myotube differentiation. By association with isoform 1 and thus changing the CSRP3 isoform 1:CFL2 stoichiometry is proposed to down-regulate CFL2-mediated F-actin depolymerization.
Gene References into Functions
  1. Previous results along with the newly identified homozygous CSRP3 truncating variants in two unrelated hypertrophic cardiomyopathy (HCM) patients suggest that the association of CSRP3 as a validated HCM-causing gene require additional studies and those CSRP3 variants could result in HCM with an autosomal recessive inheritance rather than with an autosomal dominant transmission as usually reported on HCM. PMID: 30012424
  2. MLP contributes to the maintenance of cardiomyocyte cytoarchitecture by a mechanism involving its self-association and actin filament cross-linking. PMID: 24934443
  3. study reports the discovery of an alternative splice variant of muscle lim protein encoded by the CSRP3 gene, designated as MLP-b, showing distinct expression in neuromuscular disease and direct roles in actin dynamics and muscle differentiation PMID: 24860983
  4. KLF5 reverses hhLIM function from anti-proliferation to pro-proliferation through its interaction with hhLIM on the cyclin E promoter. PMID: 22584587
  5. The CSRP3-W4R mutation causes cardiomyopathy and heart failure in patients and engineered knock-in animals. PMID: 20044516
  6. CSRP3 is involved in cardiac mechanosensory processes, is localized to the sarcomeric Z-disc and human mutations cause cardiomyopathy(DCM)and heart failure. PMID: 12507422
  7. Mutations in the CRP3/MLP gene can cause hypertrophic cardiomyopathy (HCM) and dilated cardiomyopathy (DCM). PMID: 12642359
  8. CSRP3, MUSTN1, SIX1, and FBXO32 expression changes in response to lengthening and shortening contractions in human muscle PMID: 17519359
  9. A myocardial actin-binding protein that increases actin cytoskeleton stability by promoting bundling of actin filaments. PMID: 18331358
  10. These findings suggest that hhLIM is a typical LIM family member with powerful transcription activation. PMID: 18393774
  11. Study used linkage analysis and identified a CSRP3 missense mutation in a large German family affected by hypertrophic cardiomyopathy. PMID: 18505755
  12. CSRP3 mutation was found involved in hypertrophic cardiomyopathy. PMID: 19035361
  13. The structure of both LIM domains of human MLP by nuclear magnetic resonance spectroscopy. PMID: 19230835
  14. CRP3/MLP is primarily expressed in arterial smooth muscle cells and that stretch is the main stimulus for CRP3/MLP induction in veins exposed to arterial haemodynamic conditions. PMID: 19351738
  15. Complete chemical shift assignment was achieved for the first LIM domain and for most of the second domain, the N-terminal and C-terminal linker and part of the intervening linker. PMID: 19636821
  16. MLP binds directly to CFL2 in human cardiac and skeletal muscles. PMID: 19752190

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Involvement in disease
Cardiomyopathy, dilated 1M (CMD1M); Cardiomyopathy, familial hypertrophic 12 (CMH12)
Subcellular Location
Nucleus. Cytoplasm. Cytoplasm, cytoskeleton. Cytoplasm, myofibril, sarcomere, Z line. Cytoplasm, myofibril, sarcomere.; [Isoform 2]: Cytoplasm, myofibril, sarcomere, Z line.
Tissue Specificity
Cardiac and slow-twitch skeletal muscles. Isoform 2 is expressed in striated muscle. Isoform 2 is specifically expressed at higher levels in patients with neuromuscular diseases, such as limb-girdle muscular dystrophy 2A (LGMD2A), Duchenne muscular dystro
Database Links

HGNC: 2472

OMIM: 600824

KEGG: hsa:8048

STRING: 9606.ENSP00000265968

UniGene: Hs.83577

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