1CM4

Motions of calmodulin-four-conformer refinement

Summary for 1CM4

• Entry DOI: 10.2210/pdb1cm4/pdb
• Related: 1CM1
• Descriptor: CALMODULIN, CALMODULIN-DEPENDENT PROTEIN KINASE II-ALPHA, CALCIUM ION, ... (4 entities in total)
• Functional Keywords: ef-hand calcium-binding protein, calcium-binding-transferase complex, calcium-binding/transferase
• Biological source: Bos taurus (cattle)
• Cellular location: Cell junction, synapse, presynaptic cell membrane: P11275
• Total number of polymer chains: 2
• Total formula weight: 20289.20

Authors

Wall, M.E.,Phillips Jr., G.N. (deposition date: 1997-09-23, release date: 1998-03-04, Last modification date: 2024-05-22)

Primary citation

Wall, M.E.,Clarage, J.B.,Phillips Jr., G.N.
Motions of calmodulin characterized using both Bragg and diffuse X-ray scattering.
Structure, 5:1599-1612, 1997

PubMed Abstract: Calmodulin is a calcium-activated regulatory protein which can bind to many different targets. The protein resembles a highly flexible dumbbell, and bends in the middle as it binds. This and other motions must be understood to formulate a realistic model of calmodulin function.

PubMed: 9438860
DOI: 10.1016/S0969-2126(97)00308-0

Experimental method

X-RAY DIFFRACTION (2 Å)