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Zinc Finger Mini Model
Zinc Finger Mini Model
Zinc Finger Mini Model


 
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Starting at: $55.00

Grade Levels
High School
Undergraduate

Warnings
Choking Hazard
Science Education Product
California Proposition 65



Availability: Please allow 4 weeks for production and shipping.
Product Code: ZFMM
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Description Contents Teacher Resources
 

A zinc finger is a short (~30 amino acid) protein motif that is often found in proteins that bind to DNA. Use our 3-D model of a zinc finger to discuss metal cofactors and common protein motifs.

Proteins with zinc fingers are one of the largest families of proteins found in the human genome. Each zinc finger is made up of a 2-stranded beta sheet and a short alpha helix. Its structure is stabilized by 2 cysteines and 2 histidines that bind to a single zinc atom.

This particular zinc finger structure is from the protein Zif268, a DNA binding protein that contains 3 consecutive zinc fingers. Side chains are displayed in ball-and-stick format, including the 4 side chains in complex with the zinc atom. The zinc atom is shown in green spacefill format. The backbone of the zinc finger is shown in white, with the α-Helix shown in red and the β-Sheet shown in yellow.

This 3.5'' model is made of plaster by rapid prototyping and should be handled with care. Mini models will break if dropped, held tightly or handled roughly. Its PDB file is 1ZAA.pdb.


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