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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

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
2

Invitrogen™ NuPAGE™ Large Protein Staining Kit  DFS Item

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

3

Invitrogen™ BenchMark™ Pre-stained Protein Ladder  DFS Item

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

4

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
5

MilliporeSigma™ Novagen™ Perfect Protein™ Markers, 10-225 kd

Designed for routine use in SDS-polyacrylamide gel electrophoresis, the Perfect Protein Markers enable highly accurate size determination of unknown samples.

6

Invitrogen™ BenchMark™ His-tagged Protein Standard  DFS Item

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

7

Invitrogen™ iBright Prestained Protein Ladder  DFS Item

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

8

Invitrogen™ Mark12™ Unstained Standard  DFS Item

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

9

Invitrogen™ HiMark™ Unstained Protein Standard  DFS Item

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

10

Invitrogen™ NuPAGE™ Large Protein Sensitive Staining Kit  DFS Item

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

11

Invitrogen™ Novex™ Sharp Unstained Protein Standard  DFS Item

Designed for accurate, easy and convenient molecular weight estimation of a wide range of molecular weight proteins during SDS-PAGE and western blotting

12

Invitrogen™ BenchMark™ Fluorescent Protein Standard  DFS Item

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

13

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

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

15

Thermo Scientific™ PageRuler™ Plus Prestained Protein Ladder, 10 to 250 kDa

Thermo Scientific™ PageRuler Plus Prestained Protein Ladder is a mixture of nine (9) blue-, orange- and green-stained proteins (10 to 250 kDa) for use as size standards in protein electrophoresis (SDS-PAGE) and Western blotting.

Shipping Condition Approved for shipment on Wet or Dry Ice
Number of Markers 9
Product Type Protein Ladder
Molecular Weight (g/mol) 250, 130, 100, 70, 55, 35, 25, 15, 10 kDa
Ready to Load Yes
Stain Type Blue, Orange, Green
Size Range 10 to 250 kDa
Gel Compatibility Bolt™ Bis-Tris Plus Gels, Novex™ Tricine Gels, Novex™ Tris-Glycine Gels, NuPAGE™ Bis-Tris Gels, NuPAGE™ Tris-Acetate Gels, SDS-PAGE Gels
Product Line PageRuler
Detection Method Colorimetric, NIR Fluorescence (700 nm), RGB Fluorescence (555 nm)