Unstained Natural Protein Standards

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Unstained Natural Protein Standards

Overview

Specifications
Natural Unstained Standards Specifications

  Volume Applications*
(Number of Mini Gels)

SDS-PAGE standards 200 µl 800–1,600
Polypeptide standards 200 µl 800

* Number of applications depends on staining method.

Discontinued Products for Unstained SDS-PAGE Standards
Discontinued Silver Stain SDS-PAGE Standards   
Recommended Options for Replacement     
161-0314 Low Range 161-0363  
161-0304  
161-0317  
Precision Plus Protein™ Unstained
SDS-PAGE Unstained Low Range
SDS-PAGE Unstained Broad Range
161-0315 High Range
161-0363  
161-0303  
161-0317  
Precision Plus Protein™ Unstained
SDS-PAGE Unstained High Range
SDS-PAGE Unstained Broad Range

Unstained SDS-PAGE Standards

Unstained natural SDS-PAGE standards are available in broad, low, high, and polypeptide MW ranges, allowing calibration in almost any percentage gel.


Natural unstained standards


Natural unstained standards.


Constituent proteins of natural unstained SDS-PAGE standards.
  Ranges Available*
Protein Source MW (kD) Broad Low High Polypeptide
Myosin Rabbit skeletal muscle 200.0    
β-Galactosidase E. coli 116.3    
Phosphorylase b Rabbit muscle 97.4  
Serum albumin Bovine 66.2  
Ovalbumin Hen egg white 45.0
 
Carbonic anhydrase Bovine 31.0    
Triosephosphate isomerase Rabbit 26.6      
Trypsin inhibitor Soybean 21.5    
Myoglobin Equine 17.0      
a-Lactalbumin Bovine 14.5      
Lysozyme Hen egg white 14.4    
Aprotinin Bovine pancreas 6.5    
Insulin B chain, oxidized Bovine 3.5      
Bacitracin Bacillus licheniformis 1.4        •


* SDS-PAGE — high, low, broad, and polypeptide.

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Free Protein Standards Selection Magnet

Free Protein Standards Selection Magnet

Place this handy selection guide magnet on your refrigerator or lab bench to eliminate the guesswork and make protein standard selection simple.

Request a Magnet

Unstained Natural Protein Standards allow accurate MW determination on SDS-PAGE gels. Every batch is tested for proper mobility, providing a reliable control for gel-to-gel variability.

SDS-PAGE Standards

Unstained Natural Protein Standards for SDS-PAGE are blended to give uniform band intensities when stained with Coomassie Blue R-250 or zinc stains. Natural SDS-PAGE Standards are available in broad, low, high, and polypeptide molecular weight ranges, allowing calibration in almost any percentage gel.

Polypeptide SDS-PAGE Standards are for molecular weight determination of peptides and small proteins resolved on Tricine gels. Consisting of six polypeptides with molecular masses ranging from ~1.4 to ~26.6 kD, Polypeptide SDS-PAGE Standards stain uniformly with Coomassie Blue G-250 stain.

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Unstained SDS-PAGE Standards, high range, 200 μl

1610303
200 μl, high range standards (45,000–200,000 MW), unstained mixture of five proteins

This product is not available for sale online. Please contact customer service for more information.

The following replacement is recommended:

  • Precision Plus Protein™ All Blue Prestained Protein Standards (1610373)
Unstained SDS-PAGE Standards, low range, 200 μl

1610304
200 μl, low range standards (14,400–97,400 MW), unstained mixture of six proteins

This product is not available for sale online. Please contact customer service for more information.

The following replacement is recommended:

  • Precision Plus Protein™ Unstained Protein Standards, Strep-tagged recombinant, 1 ml (1610363)
Unstained SDS-PAGE Standards, broad range, 200 µl

1610317
200 μl, broad range standards (6,500–200,000 MW), unstained mixture of nine proteins

This product is not available for sale online. Please contact customer service for more information.

The following replacement is recommended:

  • Precision Plus Protein™ Unstained Protein Standards, Strep-tagged recombinant, 1 ml (1610363)
Unstained Polypeptide SDS-PAGE Standards, 200 µl

1610326
200 μl, ~1,400–~26,600 MW range, unstained mixture of six polypeptides

This product is not available for sale online. Please contact customer service for more information.
Number Description Options
2032 Western Blotting Detection Reagents Brochure, Rev F Click to download
2000 Polypeptide Standards: SDS-PAGE and Kaleidoscope Standards PIS, Rev B Click to download
2414 The Little Book of Standards, Rev D Click to download
2998 Protein Standards Application Guide, Rev G Click to download [ Add to Cart (Free) ]
3118 Protein Standards for Electrophoresis and Blotting Brochure, Rev D Click to download
5561 Precision Plus Protein™ WesternC™ Standards, Rev E Click to download
4006047 Instruction Manual, Silver Stain SDS-PAGE Standards, Low Range, Rev C Click to download
4006048 Instruction Manual, Silver Stain SDS-PAGE Standards, High Range, Rev D Click to download
4006046 Instruction Manual, Polypeptide SDS-PAGE Molecular Weight Standards, Rev B Click to download
4006035 Instruction Manual, SDS-PAGE Molecular Weight Standards, Broad Range, Rev E Click to download
4006034 Instruction Manual, SDS-PAGE Molecular Weight Standards, High Range, Rev C Click to download
LIT442 Instruction Manual, Silver Stain Plus™, Rev E Click to download
6148 Transfer of High Molecular Weight Proteins to Membranes: A Comparison of Transfer Efficiency Between Blotting Systems, Rev B Click to download

This product contains electrical or electronic material. Learn more about Bio-Rad's EU Recycle Program

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