What are protein markers?

A protein marker (also called a protein molecular weight marker, a protein MW marker, or a protein ladder) is used to estimate the size of proteins resolved by gel electrophoresis. All markers are optimized for use with LI-COR imaging systems but can be used with other imagers.

What is a marker in Western blot?

Western Blot Marker Pen ab166858 is used to annotate the blot and/or to mark the positions of (pre-stained) molecular weight standard markers on a PVDF or nitrocellulose membrane during western blotting. The pen is used after the transfer of proteins from the gel to the membrane.

How does molecular weight affect electrophoresis?

The electrophoretic migration rate of DNA through agarose gels is dependent upon four main parameters: 1. The molecular size of the DNA. Molecules of linear duplex DNA travel through agarose gels at a rate which is inversely proportional to the log of their molecular weight.

What role do protein markers play?

Cell Membrane – Function – Marker Proteins Marker proteins extend across the cell membrane and serve to identify the cell. The immune system uses these proteins to tell friendly cells from foreign invaders. They are as unique as fingerprints. They play an important role in organ transplants.

What is molecular marker technology?

Introduction. Molecular markers are commonly used in genetic diversity analysis, genetic map construction, gene mapping and cloning, and marker assisted selection in plant breeding. Based on detection procedure, most molecular marker technologies can be classified into hybridization-based or PCR-based systems.

What is a high molecular weight marker for protein?

Protein Molecular Weight Marker (High) 200 Lanes. USD $149.00. Takara’s Protein Molecular Weight Markers are designed for use in SDS Polyacrylamide gel electrophoresis. These markers come in three ranges: Low (Molecular weight range: 14.3–97.2 kDa), High (Molecular weight range: 44.3–200 kDa) and Broad (Molecular weight range: 6.5–200 kDa).

What are the molecular weight markers used in SDS?

Protein molecular weight markers. Takara’s Protein Molecular Weight Markers are designed for use in SDS Polyacrylamide gel electrophoresis. These markers come in three ranges: Low (Molecular weight range: 14.3–97.2 kDa), High (Molecular weight range: 44.3–200 kDa) and Broad (Molecular weight range: 6.5–200 kDa).

How much does a molecular weight marker cost?

Protein Molecular Weight Marker (Broad) 200 Lanes. USD $149.00. Takara’s Protein Molecular Weight Markers are designed for use in SDS Polyacrylamide gel electrophoresis. These markers come in three ranges: Low (Molecular weight range: 14.3–97.2 kDa), High (Molecular weight range: 44.3–200 kDa) and Broad (Molecular weight range: 6.5–200 kDa).

What is molecular weight marker in gel electrophoresis?

Protein molecular weight markers contain peptide or protein molecules of several pre-defined molecular weights for use as size standards in gel electrophoresis. Products include kits, markers, and ladders containing low-range and high-range standards, available unstained or pre-stained.