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ASPN Protein, Human (His-SUMO)

Cat. No.: HY-P72093
COA Handling Instructions

ASPN protein acts as a negative regulator in periodontal ligament (PDL) differentiation and mineralization, preventing ossification and maintaining homeostasis of the tooth support system. It inhibits BMP2-induced cell differentiation by blocking the binding of BMP2 to BMPR1B, thereby preventing BMP-dependent activation of SMAD proteins. ASPN Protein, Human (His-SUMO) is the recombinant human-derived ASPN protein, expressed by E. coli , with N-6*His, N-SUMO labeled tag. The total length of ASPN Protein, Human (His-SUMO) is 348 a.a., with molecular weight of ~60 kDa.

For research use only. We do not sell to patients.

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Description

ASPN protein acts as a negative regulator in periodontal ligament (PDL) differentiation and mineralization, preventing ossification and maintaining homeostasis of the tooth support system. It inhibits BMP2-induced cell differentiation by blocking the binding of BMP2 to BMPR1B, thereby preventing BMP-dependent activation of SMAD proteins. ASPN Protein, Human (His-SUMO) is the recombinant human-derived ASPN protein, expressed by E. coli , with N-6*His, N-SUMO labeled tag. The total length of ASPN Protein, Human (His-SUMO) is 348 a.a., with molecular weight of ~60 kDa.

Background

ASPN protein serves as a negative regulator in the differentiation and mineralization processes of the periodontal ligament (PDL), ensuring the prevention of ossification and maintaining the homeostasis of the tooth-supporting system. Its inhibitory action involves blocking BMP2-induced cytodifferentiation of PDL cells by preventing BMP2 binding to the BMPR1B/BMP type-1B receptor, thereby impeding BMP-dependent activation of SMAD proteins. Beyond its role in the PDL, ASPN is a critical regulator of TGF-beta in articular cartilage, where it plays a pivotal role in cartilage homeostasis and contributes to the pathogenesis of osteoarthritis (OA) by negatively regulating chondrogenesis. Furthermore, ASPN interacts with TGFB1, TGFB2, and TGFB3, inhibiting their binding, and engages in calcium binding, participating in osteoblast-driven collagen biomineralization activity. Its intricate interactions with BMP2, type II collagen, and type I collagen underscore its multifaceted involvement in cellular processes that maintain tissue integrity and regulate bone development.

Species

Human

Source

E. coli

Tag

N-6*His;N-SUMO

Accession

Q9BXN1 (D33-M380)

Gene ID
Synonyms
ASPN; ASPN protein; ASPN_HUMAN; Asporin LRR class 1; ; Asporin; Asporin proteoglycan; FLJ20129; LRR class 1; Periodontal ligament associated protein 1; Periodontal ligament-associated protein 1; PLAP 1; PLAP-1; PLAP1; SLRR 1C; SLRR1C; Small leucine rich protein 1C
AA Sequence

DMEDTDDDDDDDDDDDDDDEDNSLFPTREPRSHFFPFDLFPMCPFGCQCYSRVVHCSDLGLTSVPTNIPFDTRMLDLQNNKIKEIKENDFKGLTSLYGLILNNNKLTKIHPKAFLTTKKLRRLYLSHNQLSEIPLNLPKSLAELRIHENKVKKIQKDTFKGMNALHVLEMSANPLDNNGIEPGAFEGVTVFHIRIAEAKLTSVPKGLPPTLLELHLDYNKISTVELEDFKRYKELQRLGLGNNKITDIENGSLANIPRVREIHLENNKLKKIPSGLPELKYLQIIFLHSNSIARVGVNDFCPTVPKMKKSLYSAISLFNNPVKYWEMQPATFRCVLSRMSVQLGNFGM

Molecular Weight

Approximately 60 kDa

Purity

Greater than 90% as determined by reducing SDS-PAGE.

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.2 μm sterile filtered PBS, 6% Trehalose, pH 7.4.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O.

Storage & Stability

Stored at -20°C for 2 years. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US;may vary elsewhere.

Documentation

ASPN Protein, Human (His-SUMO) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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Product Name:
ASPN Protein, Human (His-SUMO)
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HY-P72093
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