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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 49 results
1

Invitrogen™ BenchMark™ His-tagged Protein Standard  DFS Item

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

2

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

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

3

Invitrogen™ PeppermintStick™ Phosphoprotein Molecular Weight Standards  DFS Item

PeppermintStick Phosphoprotein Molecular Weight Standards are a mixture of phosphorylated and nonphosphorylated proteins ranging from 14.4 to 116 kDa.

Stain Type Fluorescent
5

MilliporeSigma™ Novagen™ Perfect Protein™ HRP Western Blot Kit

Detect markers by adding S-protein or His·Tag™ Monoclonal Antibody.

6

MP Biomedicals™ Pre-stained Molecular Weight Standard, Dual Color, 0.5 mL

Pre-stained Molecular Weight Standard, Dual Color is a ready-to-use three-color protein standard with 11 pre-stained proteins covering a wide range of molecular weights from 10 to 250 kDa.

7

MP Biomedicals™ Fluorescent Protein Marker

Obtain accurate molecular weight protein standards. Skip gel staining steps and estimate protein molecular weight using UV.

8

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
9

Invitrogen™ NativeMark™ Unstained Protein Standard  DFS Item

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

10

Invitrogen™ Mark12™ Unstained Standard  DFS Item

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

11

Invitrogen™ HiMark™ Pre-stained Protein Standard  DFS Item

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

13

Invitrogen™ BenchMark™ Pre-stained Protein Ladder  DFS Item

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

14

Thermo Scientific™ PageRuler™ Unstained Low Range Protein Ladder

Thermo Scientific PageRuler Unstained Low Range Protein Ladder is a mixture of eight purified proteins and peptides (3.4 to 100 kDa) for use as size standards in peptide and small-protein gel electrophoresis.

Number of Markers 8
Product Type Protein Ladder
Molecular Weight (g/mol) 100, 30, 25, 20, 15, 10, 5, 3.4 kDa
Ready to Load Yes
Stain Type Unstained
System Type SDS-PAGE
Size Range 3.4 to 100 kDa
Product Line PageRuler
15

Invitrogen™ SeeBlue™ Plus2 Pre-stained Protein Standard  DFS Item

Allows you to easily visualize protein molecular weight ranges during electrophoresis and quickly evaluate Western transfer efficiency