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Open data
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Basic information
Entry | Database: PDB / ID: 1cll | ||||||
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Title | CALMODULIN STRUCTURE REFINED AT 1.7 ANGSTROMS RESOLUTION | ||||||
![]() | CALMODULIN | ||||||
![]() | CALCIUM-BINDING PROTEIN | ||||||
Function / homology | ![]() : / : / positive regulation of cyclic-nucleotide phosphodiesterase activity / positive regulation of ryanodine-sensitive calcium-release channel activity / : / positive regulation of protein autophosphorylation / negative regulation of peptidyl-threonine phosphorylation / establishment of protein localization to mitochondrial membrane / type 3 metabotropic glutamate receptor binding / CaM pathway ...: / : / positive regulation of cyclic-nucleotide phosphodiesterase activity / positive regulation of ryanodine-sensitive calcium-release channel activity / : / positive regulation of protein autophosphorylation / negative regulation of peptidyl-threonine phosphorylation / establishment of protein localization to mitochondrial membrane / type 3 metabotropic glutamate receptor binding / CaM pathway / Cam-PDE 1 activation / Sodium/Calcium exchangers / Calmodulin induced events / positive regulation of peptidyl-threonine phosphorylation / Reduction of cytosolic Ca++ levels / Activation of Ca-permeable Kainate Receptor / CREB1 phosphorylation through the activation of CaMKII/CaMKK/CaMKIV cascasde / positive regulation of DNA binding / Loss of phosphorylation of MECP2 at T308 / CREB1 phosphorylation through the activation of Adenylate Cyclase / CaMK IV-mediated phosphorylation of CREB / PKA activation / negative regulation of high voltage-gated calcium channel activity / Glycogen breakdown (glycogenolysis) / CLEC7A (Dectin-1) induces NFAT activation / Activation of RAC1 downstream of NMDARs / response to corticosterone / negative regulation of ryanodine-sensitive calcium-release channel activity / organelle localization by membrane tethering / mitochondrion-endoplasmic reticulum membrane tethering / autophagosome membrane docking / negative regulation of calcium ion export across plasma membrane / regulation of cardiac muscle cell action potential / presynaptic endocytosis / nitric-oxide synthase binding / Synthesis of IP3 and IP4 in the cytosol / regulation of cell communication by electrical coupling involved in cardiac conduction / Phase 0 - rapid depolarisation / regulation of synaptic vesicle exocytosis / calcineurin-mediated signaling / Negative regulation of NMDA receptor-mediated neuronal transmission / Unblocking of NMDA receptors, glutamate binding and activation / RHO GTPases activate PAKs / Ion transport by P-type ATPases / Uptake and function of anthrax toxins / regulation of ryanodine-sensitive calcium-release channel activity / Long-term potentiation / protein phosphatase activator activity / Calcineurin activates NFAT / adenylate cyclase binding / Regulation of MECP2 expression and activity / DARPP-32 events / catalytic complex / Smooth Muscle Contraction / regulation of synaptic vesicle endocytosis / detection of calcium ion / regulation of cardiac muscle contraction / positive regulation of protein serine/threonine kinase activity / RHO GTPases activate IQGAPs / regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion / cellular response to interferon-beta / activation of adenylate cyclase activity / Protein methylation / calcium channel inhibitor activity / presynaptic cytosol / phosphatidylinositol 3-kinase binding / Activation of AMPK downstream of NMDARs / Ion homeostasis / regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / eNOS activation / positive regulation of nitric-oxide synthase activity / titin binding / enzyme regulator activity / Tetrahydrobiopterin (BH4) synthesis, recycling, salvage and regulation / sperm midpiece / regulation of calcium-mediated signaling / voltage-gated potassium channel complex / calcium channel complex / substantia nigra development / FCERI mediated Ca+2 mobilization / response to amphetamine / Ras activation upon Ca2+ influx through NMDA receptor / regulation of heart rate / FCGR3A-mediated IL10 synthesis / calyx of Held / nitric-oxide synthase regulator activity / Antigen activates B Cell Receptor (BCR) leading to generation of second messengers / adenylate cyclase activator activity / sarcomere / VEGFR2 mediated cell proliferation / regulation of cytokinesis / protein serine/threonine kinase activator activity / VEGFR2 mediated vascular permeability / spindle microtubule / calcium channel regulator activity / Translocation of SLC2A4 (GLUT4) to the plasma membrane / positive regulation of receptor signaling pathway via JAK-STAT / Stimuli-sensing channels / RAF activation / Transcriptional activation of mitochondrial biogenesis Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() | ||||||
![]() | Chattopadhyaya, R. / Quiocho, F.A. | ||||||
![]() | ![]() Title: Calmodulin structure refined at 1.7 A resolution. Authors: Chattopadhyaya, R. / Meador, W.E. / Means, A.R. / Quiocho, F.A. #1: ![]() Title: Target Enzyme Recognition by Calmodulin: 2.4 Angstroms Structure of a Calmodulin-Peptide Complex Authors: Meador, W.E. / Means, A.R. / Quiocho, F.A. #2: ![]() Title: Structure of Calmodulin Refined at 2.2 Angstroms Resolution Authors: Babu, Y.S. / Bugg, C.E. / Cook, W.J. | ||||||
History |
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Remark 700 | SHEET THE ANTI-PARALLEL BETA SHEETS ARE EXTREMELY SHORT IN THIS STRUCTURE. THERE IS ADDITIONAL ...SHEET THE ANTI-PARALLEL BETA SHEETS ARE EXTREMELY SHORT IN THIS STRUCTURE. THERE IS ADDITIONAL CONNECTIVITY VIA WATERS BETWEEN THE TWO STRANDS OF EACH SHEET. |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 45.5 KB | Display | ![]() |
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PDB format | ![]() | 31.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 430.7 KB | Display | ![]() |
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Full document | ![]() | 437.3 KB | Display | |
Data in XML | ![]() | 10.5 KB | Display | |
Data in CIF | ![]() | 14.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 |
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Unit cell |
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Components
#1: Protein | Mass: 16721.350 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() | ||||
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#2: Chemical | ChemComp-CA / #3: Chemical | ChemComp-EOH / | #4: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.41 Å3/Da / Density % sol: 48.89 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | *PLUS pH: 5 / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Radiation | Scattering type: x-ray |
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Radiation wavelength | Relative weight: 1 |
Reflection | *PLUS Highest resolution: 1.7 Å / Num. all: 46091 / Num. obs: 15417 / Rmerge(I) obs: 0.329 / Biso Wilson estimate: 25 Å2 |
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Processing
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Refinement | Resolution: 1.7→10 Å / σ(F): 0.5 Details: CRYSTAL PACKING IS EXTENSIVELY STUDIED IN THE CHATTOPADHYAYA ET AL. PAPER ON CALMODULIN, AND FACILE CRYSTAL GROWTH ALONG THE Z-DIRECTION EXPLAINED. THE AUTHORS ALSO HAVE REPORTED IN DETAIL ...Details: CRYSTAL PACKING IS EXTENSIVELY STUDIED IN THE CHATTOPADHYAYA ET AL. PAPER ON CALMODULIN, AND FACILE CRYSTAL GROWTH ALONG THE Z-DIRECTION EXPLAINED. THE AUTHORS ALSO HAVE REPORTED IN DETAIL ABOUT THE HYDROGEN BONDING WITHIN VARIOUS STRUCTURAL ELEMENTS IN THAT PUBLICATION. HYDRATION IS ALSO DESCRIBED. THESE ARE AREAS WHICH WERE NOT DEALT WITH IN THE BABU ET AL. (1988) PUBLICATION.
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Refinement step | Cycle: LAST / Resolution: 1.7→10 Å
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Refine LS restraints |
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Software | *PLUS Name: PROLSQ / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Highest resolution: 1.7 Å / Lowest resolution: 10 Å / Num. reflection obs: 14469 / σ(F): 0.5 / Rfactor obs: 0.225 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS |