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  4. Sucrase isomaltase/SI Protein, Human (Cell-Free, His)

Sucrase isomaltase/SI Protein, Human (Cell-Free, His)

Cat. No.: HY-P702459
Handling Instructions

The sucrase isomaltase (SI) protein plays a vital role in the final stages of carbohydrate digestion, effectively breaking down complex oligosaccharides into simple sugars. The isomaltase activity of SI is specific for α-1,4- and α-1,6-oligosaccharides, emphasizing its critical role in hydrolyzing specific carbohydrate bonds. Sucrase isomaltase/SI Protein, Human (Cell-Free, His) is the recombinant human-derived Sucrase isomaltase/SI protein, expressed by E. coli Cell-free , with C-6*His labeled tag. The total length of Sucrase isomaltase/SI Protein, Human (Cell-Free, His) is 1006 a.a., with molecular weight of 115.2 kDa.

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Description

The sucrase isomaltase (SI) protein plays a vital role in the final stages of carbohydrate digestion, effectively breaking down complex oligosaccharides into simple sugars. The isomaltase activity of SI is specific for α-1,4- and α-1,6-oligosaccharides, emphasizing its critical role in hydrolyzing specific carbohydrate bonds. Sucrase isomaltase/SI Protein, Human (Cell-Free, His) is the recombinant human-derived Sucrase isomaltase/SI protein, expressed by E. coli Cell-free , with C-6*His labeled tag. The total length of Sucrase isomaltase/SI Protein, Human (Cell-Free, His) is 1006 a.a., with molecular weight of 115.2 kDa.

Background

Sucrase isomaltase (SI) protein assumes a crucial role in the concluding phase of carbohydrate digestion, marking the final stage in the breakdown of complex carbohydrates into absorbable forms. Specifically, the isomaltase activity of SI is characterized by its specificity for both alpha-1,4- and alpha-1,6-oligosaccharides, highlighting its ability to cleave bonds in these specific types of carbohydrates. This enzymatic specificity underscores the significance of SI in the efficient hydrolysis of complex oligosaccharides, contributing to the production of simpler sugars that can be readily absorbed and utilized by the body. SI's role in carbohydrate digestion emphasizes its importance in dietary nutrient absorption and metabolic processes, aligning with its central function in facilitating the breakdown of complex carbohydrates into more readily digestible forms.

Species

Human

Source

E. coli Cell-free

Tag

C-6*His

Accession

P14410 (M2-R1007)

Gene ID

6476

Molecular Construction
N-term
SI (M2-R1007)
Accession # P14410
6*His
C-term
Synonyms
Sucrase-isomaltase, intestinal
AA Sequence

MARKKFSGLEISLIVLFVIVTIIAIALIVVLATKTPAVDEISDSTSTPATTRVTTNPSDSGKCPNVLNDPVNVRINCIPEQFPTEGICAQRGCCWRPWNDSLIPWCFFVDNHGYNVQDMTTTSIGVEAKLNRIPSPTLFGNDINSVLFTTQNQTPNRFRFKITDPNNRRYEVPHQYVKEFTGPTVSDTLYDVKVAQNPFSIQVIRKSNGKTLFDTSIGPLVYSDQYLQISTRLPSDYIYGIGEQVHKRFRHDLSWKTWPIFTRDQLPGDNNNNLYGHQTFFMCIEDTSGKSFGVFLMNSNAMEIFIQPTPIVTYRVTGGILDFYILLGDTPEQVVQQYQQLVGLPAMPAYWNLGFQLSRWNYKSLDVVKEVVRRNREAGIPFDTQVTDIDYMEDKKDFTYDQVAFNGLPQFVQDLHDHGQKYVIILDPAISIGRRANGTTYATYERGNTQHVWINESDGSTPIIGEVWPGLTVYPDFTNPNCIDWWANECSIFHQEVQYDGLWIDMNEVSSFIQGSTKGCNVNKLNYPPFTPDILDKLMYSKTICMDAVQNWGKQYDVHSLYGYSMAIATEQAVQKVFPNKRSFILTRSTFAGSGRHAAHWLGDNTASWEQMEWSITGMLEFSLFGIPLVGADICGFVAETTEELCRRWMQLGAFYPFSRNHNSDGYEHQDPAFFGQNSLLVKSSRQYLTIRYTLLPFLYTLFYKAHVFGETVARPVLHEFYEDTNSWIEDTEFLWGPALLITPVLKQGADTVSAYIPDAIWYDYESGAKRPWRKQRVDMYLPADKIGLHLRGGYIIPIQEPDVTTTASRKNPLGLIVALGENNTAKGDFFWDDGETKDTIQNGNYILYTFSVSNNTLDIVCTHSSYQEGTTLAFQTVKILGLTDSVTEVRVAENNQPMNAHSNFTYDASNQVLLIADLKLNLGRNFSVQWNQIFSENERFNCYPDADLATEQKCTQRGCVWRTGSSLSKAPECYFPRQDNSYSVNSARYSSMGITADLQLNTANAR

Molecular Weight

115.2 kDa

Purity

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

Endotoxin Level

<1 EU/μg, determined by LAL method.

Documentation

Sucrase isomaltase/SI Protein, Human (Cell-Free, 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
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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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Sucrase isomaltase/SI Protein, Human (Cell-Free, His)
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HY-P702459
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