1nw1
From Proteopedia
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|PDB= 1nw1 |SIZE=350|CAPTION= <scene name='initialview01'>1nw1</scene>, resolution 2.02Å | |PDB= 1nw1 |SIZE=350|CAPTION= <scene name='initialview01'>1nw1</scene>, resolution 2.02Å | ||
|SITE= | |SITE= | ||
| - | |LIGAND= <scene name='pdbligand=CA:CALCIUM ION'>CA</scene> | + | |LIGAND= <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene> |
| - | |ACTIVITY= [http://en.wikipedia.org/wiki/Choline_kinase Choline kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.1.32 2.7.1.32] | + | |ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Choline_kinase Choline kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.1.32 2.7.1.32] </span> |
|GENE= | |GENE= | ||
| + | |DOMAIN= | ||
| + | |RELATEDENTRY= | ||
| + | |RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1nw1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1nw1 OCA], [http://www.ebi.ac.uk/pdbsum/1nw1 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1nw1 RCSB]</span> | ||
}} | }} | ||
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[[Category: Peisach, D.]] | [[Category: Peisach, D.]] | ||
[[Category: Xu, Z.]] | [[Category: Xu, Z.]] | ||
| - | [[Category: CA]] | ||
[[Category: choline kinase]] | [[Category: choline kinase]] | ||
[[Category: phospholipid synthesis]] | [[Category: phospholipid synthesis]] | ||
[[Category: protein kinase fold]] | [[Category: protein kinase fold]] | ||
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 22:36:23 2008'' |
Revision as of 19:36, 30 March 2008
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| , resolution 2.02Å | |||||||
|---|---|---|---|---|---|---|---|
| Ligands: | |||||||
| Activity: | Choline kinase, with EC number 2.7.1.32 | ||||||
| Resources: | FirstGlance, OCA, PDBsum, RCSB | ||||||
| Coordinates: | save as pdb, mmCIF, xml | ||||||
Crystal Structure of Choline Kinase
Overview
Choline kinase catalyzes the ATP-dependent phosphorylation of choline, the first committed step in the CDP-choline pathway for the biosynthesis of phosphatidylcholine. The 2.0 A crystal structure of a choline kinase from C. elegans (CKA-2) reveals that the enzyme is a homodimeric protein with each monomer organized into a two-domain fold. The structure is remarkably similar to those of protein kinases and aminoglycoside phosphotransferases, despite no significant similarity in amino acid sequence. Comparisons to the structures of other kinases suggest that ATP binds to CKA-2 in a pocket formed by highly conserved and catalytically important residues. In addition, a choline binding site is proposed to be near the ATP binding pocket and formed by several structurally flexible loops.
About this Structure
1NW1 is a Single protein structure of sequence from Caenorhabditis elegans. Full crystallographic information is available from OCA.
Reference
The crystal structure of choline kinase reveals a eukaryotic protein kinase fold., Peisach D, Gee P, Kent C, Xu Z, Structure. 2003 Jun;11(6):703-13. PMID:12791258
Page seeded by OCA on Sun Mar 30 22:36:23 2008
