3nmd

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Crystal structure of the leucine zipper domain of cGMP dependent protein kinase I betaCrystal structure of the leucine zipper domain of cGMP dependent protein kinase I beta

Structural highlights

3nmd is a 5 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:,
NonStd Res:
Gene:PRKG1 (Homo sapiens)
Resources:FirstGlance, OCA, RCSB, PDBsum

Publication Abstract from PubMed

Cyclic GMP-dependent protein kinase (PKG) is a key mediator of the nitric oxide/cGMP signaling pathway and plays a central role in regulating cardiovascular and neuronal functions. The N-terminal approximately 50 amino acids of the kinase are required for homodimerization and association with isoform-specific PKG-anchoring proteins (GKAPs), which target the kinase to specific substrates. To understand the molecular details of PKG dimerization and gain insight into its association with GKAPs, we solved a crystal structure of the PKG Ibeta dimerization/docking domain. Our structure provides molecular details of this unique leucine/isoleucine zipper, revealing specific hydrophobic and ionic interactions that mediate dimerization and demonstrating the topology of the GKAP interaction surface.

A crystal structure of the cyclic GMP-dependent protein kinase I{beta} dimerization/docking domain reveals molecular details of isoform-specific anchoring.,Casteel DE, Smith-Nguyen EV, Sankaran B, Roh SH, Pilz RB, Kim C J Biol Chem. 2010 Oct 22;285(43):32684-8. Epub 2010 Sep 8. PMID:20826808[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

  1. Casteel DE, Smith-Nguyen EV, Sankaran B, Roh SH, Pilz RB, Kim C. A crystal structure of the cyclic GMP-dependent protein kinase I{beta} dimerization/docking domain reveals molecular details of isoform-specific anchoring. J Biol Chem. 2010 Oct 22;285(43):32684-8. Epub 2010 Sep 8. PMID:20826808 doi:10.1074/jbc.C110.161430

3nmd, resolution 2.27Å

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