Gyrase

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'''3D Structure of Gyrase''' <br />
'''3D Structure of Gyrase''' <br />

Revision as of 06:53, 23 July 2010

Image:3L6V.jpg

Crystal Structure of the Xanthomonas campestris Gyrase A C-terminal Domain, 3l6v

Drag the structure with the mouse to rotate

3D Structure of Gyrase
The image at the left is a Crystal Structure of the Gyrase A C-terminal Domain(3l6v)

Contents

Gyrase

Gyrase (Gyr) is a type of topoisomerase II in prokaryotes which unwinds double stranded DNA. The DNA Gyr cutting allows the formation of a negative DNA supercoil which enables replication of DNA. Gyr consists of 2 subunits: GyrA and GyrB. Reverse gyrase (Top-RG) is a type of topoisomerase I which catalyses the formation of positive DNA supercoil.


3D Structure of Gyrase

Gyrase Subunit A

3l6v – GyrA C-terminal – Xanthomonas campestris
2wl2 – EcGyrA N-terminal+simocylinone – Escherichia coli
1ajb - EcGyrA N-terminal+novobiocin
1zi0, 1ab4 - EcGyrA C-terminal
1x75 – EcGyrA14+CcdB
3ilw - MtGyrA N-terminal – Mycobacterium tuberculosis
1suu - GyrA C-terminal – Borrelia burgdorferi

Gyrase Subunit B

[3g75]], 3g7b, 3g7e – GyrB+thiazole inhibitor – Staphylococcus aureus
2cjt - MtGyrB C-terminal
3cwv – GyrB truncated – Myxococcus xanthus
1kzn, 1ei1 - EcGyrB N-terminal+clorobiocin
1kij – GyrB domain+novobiocin – Thermus thermophilus

Reverse Gyrase

1gku – AfTop-RG – Archaeoglobus fulgidus
1gl9 - AfTop-RG+ADPNP

Proteopedia Page Contributors and Editors (what is this?)

Michal Harel, Alexander Berchansky, David Canner, Joel L. Sussman

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