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SSB Protein, Human (His)

Cat. No.: HY-P73630
Handling Instructions

SSB Protein crucially binds to the 3' poly(U) terminus of RNA polymerase III transcripts, safeguarding against exonuclease digestion and aiding proper folding. In Coxsackievirus B3 infection, SSB binds to the viral internal ribosome entry site (IRES), enhancing IRES-mediated translation. Interactions with DDX15 and potential interactions with RUFY1 underscore SSB's involvement in diverse cellular processes, emphasizing its multifunctional nature. SSB Protein, Human (His) is the recombinant human-derived SSB protein, expressed by E. coli, with N-His labeled tag. The total length of SSB Protein, Human (His) is 408 a.a., with molecular weight of ~47.8 kDa.

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

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Description

SSB Protein crucially binds to the 3' poly(U) terminus of RNA polymerase III transcripts, safeguarding against exonuclease digestion and aiding proper folding. In Coxsackievirus B3 infection, SSB binds to the viral internal ribosome entry site (IRES), enhancing IRES-mediated translation. Interactions with DDX15 and potential interactions with RUFY1 underscore SSB's involvement in diverse cellular processes, emphasizing its multifunctional nature. SSB Protein, Human (His) is the recombinant human-derived SSB protein, expressed by E. coli, with N-His labeled tag. The total length of SSB Protein, Human (His) is 408 a.a., with molecular weight of ~47.8 kDa.

Background

The SSB protein plays a crucial role by binding to the 3' poly(U) terminus of nascent RNA polymerase III transcripts, providing protection against exonuclease digestion and facilitating their proper folding and maturation, as evidenced by various studies. Additionally, in the context of Coxsackievirus B3 infection, SSB binds to the viral internal ribosome entry site (IRES), thereby stimulating IRES-mediated translation. The protein further engages in interactions with DDX15 and may potentially interact with RUFY1, indicating its involvement in diverse cellular processes and highlighting its multifunctional nature.

Species

Human

Source

E. coli

Tag

N-His

Accession

P05455 (M1-Q408)

Gene ID
Molecular Construction
N-term
His
SSB (M1-Q408)
Accession # P05455
C-term
Synonyms
Lupus La protein; Sjoegren syndrome type B antigen; SS-B
Molecular Weight

Approximately 47.8 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Documentation

SSB Protein, Human (His) 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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SSB Protein, Human (His)
Cat. No.:
HY-P73630
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