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Protein Molecular Weight Markers

Individual or ladder series of specific mass (kilodalton, kDa) markers for use as approximate sizing standards in protein gel electrophoresis (especially SDS-PAGE); available preformulated in loading buffer, prestained, and unstained.
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1 – 15 of 22 results
1

Invitrogen™ iBright™ Prestained Protein Ladder  DFS Item

For visualization and protein sizing during Electrophoresis and confirmation of Western blot detection.

Shipping Condition Dry Ice
Content And Storage Storage buffer: 62.5 mM Tris-H3PO4 (pH 7.5 at 25°C), 1 mM EDTA, 2% (w/v) SDS, 10 mM DTT, 1 mM NaN3 and 33% glycerol

Upon receipt, store at –20°C. Product is shipped on ice.
Number of Markers 12
Product Type Protein Ladder
Molecular Weight (g/mol) 250, 130, 95, 80, 70, 55, 43, 34, 30, 26, 15, 11 kDa
Ready to Load Yes
Color Blue
Size Range 11 to 250 kDa
Gel Compatibility Novex™ Midi Gels, Novex™ Mini Gels, Novex™Tris-Glycine Gels, NuPAGE™ Bis-Tris Gels, NuPAGE™ Gels, NuPAGE™ MES Gels, NuPAGE™ MOPS Gels, NuPAGE™ Tris-Acetate Gels, Precise™ Tris-Glycine Gels, SDS-PAGE Gels, Precise™ Tris-HEPES Gels
Product Line iBright
2

Invitrogen™ NuPAGE™ Large Protein Staining Kit  DFS Item

Specifically designed for large protein analysis on NuPAGE Novex Tris-Acetate Gels under denaturing conditions

5

Invitrogen™ E-PAGE™ SeeBlue™ Pre-stained Standard  DFS Item

Designed for use with pre-cast E-PAGE™ Electrophoresis System

6

Invitrogen™ NuPAGE™ Large Protein Sensitive Staining Kit  DFS Item

Specifically designed for large protein analysis on NuPAGE Novex Tris-Acetate Gels under denaturing conditions

7

Invitrogen™ BenchMark™ Fluorescent Protein Standard  DFS Item

Consists of fluorescent dye-conjugated proteins, ranging in size from approx. 11-155kDa

8

Invitrogen™ HiMark™ Unstained Protein Standard  DFS Item

Designed for analysis of high molecular weight proteins on Novex™ NuPAGE™ Tris-Acetate Gels

9

Invitrogen™ HiMark™ Pre-stained Protein Standard  DFS Item

Designed for analysis of high molecular weight proteins on NuPAGE™ Novex™ Tris-Acetate gels

10

Invitrogen™ BenchMark™ Pre-stained Protein Ladder  DFS Item

Standard used to monitor electrophoresis or electrophoretic transfer from gel to membrane in Western blots

11

Invitrogen™ NativeMark™ Unstained Protein Standard  DFS Item

Ready-to-use protein standard designed for molecular weight estimation of proteins using native gel electrophoresis

12

Invitrogen™ BenchMark™ His-tagged Protein Standard  DFS Item

Used as a positive control and for molecular weight sizing in his-tagged fusion protein detection

13

Invitrogen™ Mark12™ Unstained Standard  DFS Item

Allows the closest estimation of molecular weight of your sample protein over a wide molecular weight range.

14

Invitrogen™ MagicMark™ XP Western Protein Standard  DFS Item

Specifically designed for easy and convenient protein molecular weight estimation directly on Western blots

Shipping Condition Dry Ice
Number of Markers 9
Molecular Weight (g/mol) 220, 120, 100, 80, 60, 50, 40, 30, 20 kDa
Ready to Load Yes
Stain Type Unstained
System Type Western Blotting, SDS-PAGE
Size Range 20 to 220 kDa
Product Line MagicMark
Detection Method User defined detection system
15
Promotions Available

Fisher BioReagents™ EZ-Run™ Prestained Rec Protein Ladder, Fisher BioReagents

Comprised of 10 recombinant proteins covalently coupled to a blue chromophore plus 10 and 72kDa reference bands tagged with green and orange dyes, respectively

Product Type Protein Molecular Weight Marker
Form Liquid
Formulation Supplied in gel-loading buffer
Color Blue
Storage Requirements −20°C
Range 10-170 kDa
For Use With (Application) Monitoring protein separation during SDS-PAGE