PCT™ Pre-Crystallization Test蛋白结晶试剂盒Hampton Research

Hampton Research蛋白结晶试剂盒

PCT™ Pre-Crystallization Test
PCT™ Pre-Crystallization Test

PCT™ Pre-Crystallization Test

PCT™ Pre-Crystallization Test

PCT™ Pre-Crystallization Test

PCT™ Pre-Crystallization Test

Products > Crystallization Screens > PCT Pre-Crystallization Test > PCT™ Pre-Crystallization Test

PCT™ Pre-Crystallization Test

Applications

  • Determine the appropriate sample concentration for crystallization screening

Features

  • Conserve sample
  • Optimize sample concentration prior to initial screens
  • Provide insight to sample homogeneity

Description

The PCT Pre-Crystallization Test is used to determine the appropriate protein concentration for crystallization screening. Sample concentration is a significant crystallization variable. Samples too concentrated can result in amorphous precipitate, while samples too dilute can result in clear drops. Precipitate and clear drops are typical crystallization screen results for reagent conditions which do not promote crystallization and are part of every crystallization screen. However, by optimizing protein concentration for the screen, the number of clear and precipitate results can often be reduced, which in turn results in more efficient sample utilization while at the same time enhancing the chances for crystallization. PCT can minimize or prevent situations where a screen results in an over abundance of precipitate or clear drops.

The PCT kit contains 4 unique, preformulated, sterile filtered reagents used to evaluate protein concentration for crystallization screening. Initially, the sample protein is mixed with two of the reagents to determine if the protein concentration is appropriate for crystallization screening. If the protein is very sensitive to salt and polymer concentration, based on initial PCT results, the protein may be evaluated using a second set of PCT reagents. PCT results will then provide insight to either the appropriate sample concentration or indicate that other diagnostic testing such as native gel electrophoresis or dynamic light scattering should be performed to demonstrate sample homogeneity appropriate for crystallization.

PCT Kit comparison table.

Catalog
Number
4 Unique
Reagents
Glass Siliconized
Cover Slides
24 Well Plate
with sealant
HR2-140          (50 mL each)          (22 mm Square)  
HR2-141          (10 mL each)    
HR2-142          (30 mL each)          (22 mm Square)          (5x VDX)
HR2-143          (10 mL each)          (18 mm Circle)          (4x VDXm)

 

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PCT™ Pre-Crystallization Test

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PCT™ Pre-Crystallization Test
PCT™ Pre-Crystallization Test
PCT™ Pre-Crystallization Test
PCT™ Pre-Crystallization Test
PCT™ Pre-Crystallization Test
PCT™ Pre-Crystallization Test
PCT™ Pre-Crystallization Test
PCT™ Pre-Crystallization Test

PCT™ Pre-Crystallization Test

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PCT™ Pre-Crystallization Test
PCT™ Pre-Crystallization Test
PCT™ Pre-Crystallization Test
PCT™ Pre-Crystallization Test
PCT™ Pre-Crystallization Test
PCT™ Pre-Crystallization Test
PCT™ Pre-Crystallization Test
PCT™ Pre-Crystallization Test

CAT NO

HR2-140

NAME

PCT (with slides)

DESCRIPTION

50 ml bottles (4 ea), cover slides (1 pk)

PRICE

$100.00

cart quote

CAT NO

HR2-141

NAME

PCT (reagents only)

DESCRIPTION

10 ml tubes (4 ea)

PRICE

$77.00

cart quote

CAT NO

HR2-142

NAME

PCT (with plates and slides)

DESCRIPTION

30 ml bottles (4 ea), cover slides (1 pk), VDX Plates with sealant (5 ea)

PRICE

$121.00

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CAT NO

HR2-143

NAME

PCT (with plates and slides)

DESCRIPTION

10 ml tubes (4 ea), cover slides (1 pk), VDXm Plates with sealant (4 ea)

PRICE

$99.00

cart quote

Support Material(s)

PCT™ Pre-Crystallization Test HR2-140 & HR2-141 & HR2-142 & HR2-143 PCT Kit DocumentsPCT™ Pre-Crystallization Test HR2-140 PCT Kit (with slides) SDSPCT™ Pre-Crystallization Test HR2-141 PCT Kit (reagents only) SDSPCT™ Pre-Crystallization Test HR2-142 PCT Kit (with plates and slides) SDSPCT™ Pre-Crystallization Test HR2-143 PCT Kit (with plates and slides) SDS

Related Item(S)

  • Individual PCT Reagents

References

1. Crystallization and x-ray diffraction analysis of human CLEC-2. Aleksandra A. Watson and Christopher A. O’Callaghan. Acta Cryst. (2005). F61, 1094-1096.

PCT™ Pre-Crystallization Test PCT™ Pre-Crystallization Test

Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).

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