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AB243161

Recombinant human SPARC protein (Active)

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Recombinant human SPARC protein (Active) is a Human Fragment protein, in the 18 to 297 aa range, expressed in Escherichia coli, with >98%, < 1 EU/µg endotoxin level, suitable for SDS-PAGE, FuncS, HPLC.

View Alternative Names

ON, SPARC, Basement-membrane protein 40, Osteonectin, Secreted protein acidic and rich in cysteine, BM-40

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SDS-PAGE - Recombinant human SPARC protein (Active) (AB243161)
  • SDS-PAGE

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SDS-PAGE - Recombinant human SPARC protein (Active) (AB243161)

SDS-PAGE analysis of ab243161

Key facts

Purity

>98% SDS-PAGE

Endotoxin level

< 1 EU/µg

Expression system

Escherichia coli

Tags

Tag free

Applications

FuncS, HPLC, SDS-PAGE

applications

Biologically active

Yes

Biological activity

Fully biologically active when compared to standard. The ED50 as determined by its ability to inhibit the cell growth of Mv1Lu mink lung epithelial cells is less than 3.0 ug/mL, corresponding to a specific activity of >333 IU/mg.

Accession

P09486

Animal free

No

Carrier free

Yes

Species

Human

Reconstitution

Reconstitute in water or 0.1% BSA aqueous buffer

Storage buffer

Constituents: PBS

storage-buffer

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "SDS-PAGE": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" }, "FuncS": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" }, "HPLC": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }
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Sequence info

[{"sequence":"APQQEALPDETEVVEETVAEVTEVSVGANPVQVEVGEFDDGAEETEEEVVAENPCQNHHCKHGKVCELDENNTPMCVCQDPTSCPAPIGEFEKVCSNDNKTFDSSCHFFATKCTLEGTKKGHKLHLDYIGPCKYIPPCLDSELTEFPLRMRDWLKNVLVTLYERDEDNNLLTEKQKLRVKKIHENEKRLEAGDHPVELLARDFEKNYNMYIFPVHWQFGQLDQHPIDGYLSHTELAPLRAPLIPMEHCTTRFFETCDLDNDKYIALDEWAGCFGIKQKDI","proteinLength":"Fragment","predictedMolecularWeight":"32.7 kDa","actualMolecularWeight":null,"aminoAcidEnd":297,"aminoAcidStart":18,"nature":"Recombinant","expressionSystem":"Escherichia coli","accessionNumber":"P09486","tags":[]}]
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Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
-20°C
Appropriate long-term storage conditions
-20°C
Storage information
Avoid freeze / thaw cycle
True
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

SPARC also known as Secreted Protein Acidic and Rich in Cysteine or osteonectin is a glycoprotein with a molecular mass of approximately 32 to 43 kDa. It is widely expressed in various tissues notably within the bone skin and extracellular matrix. SPARC influences cell-matrix interactions and modulates cellular functions such as proliferation and migration. The protein plays a role in tissue remodeling and wound healing by interacting with structural components of the matrix and regulating cell adhesion.
Biological function summary

SPARC impacts processes related to cell communication and matrix dynamics. It does not form part of large complexes but functions through interactions with matrix molecules and receptors. SPARC regulates collagen fibrillogenesis and influences the bioavailability of growth factors. It further affects angiogenesis through its ability to alter cellular adhesion and spreading which impacts vascular development and repair processes.

Pathways

SPARC integrates into regulatory cascades such as the WNT signaling and TGF-β pathways. These pathways are essential for cellular growth repair and differentiation. In the context of the TGF-β signaling pathway SPARC modulates interactions with proteins like integrins and collagens impacting fibrotic processes and matrix assembly.

Alterations in SPARC expression show associations with cancer and fibrosis. The protein functions in tumor progression where it can influence tumor cell interactions with the stroma and affect cell migration and invasion. Furthermore in fibrotic diseases SPARC regulates the deposition and organization of collagen contributing to tissue stiffening. Connections are evident between SPARC and other matrix proteins like fibronectin known for their roles in these pathological conditions.
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Specifications

Form

Lyophilized

Additional notes

> 98 % by HPLC.

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General info

Function

Appears to regulate cell growth through interactions with the extracellular matrix and cytokines. Binds calcium and copper, several types of collagen, albumin, thrombospondin, PDGF and cell membranes. There are two calcium binding sites; an acidic domain that binds 5 to 8 Ca(2+) with a low affinity and an EF-hand loop that binds a Ca(2+) ion with a high affinity.

Sequence similarities

Belongs to the SPARC family.

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Product protocols

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Target data

Appears to regulate cell growth through interactions with the extracellular matrix and cytokines. Binds calcium and copper, several types of collagen, albumin, thrombospondin, PDGF and cell membranes. There are two calcium binding sites; an acidic domain that binds 5 to 8 Ca(2+) with a low affinity and an EF-hand loop that binds a Ca(2+) ion with a high affinity.
See full target information SPARC
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