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- PDB-1sk6: Crystal structure of the adenylyl cyclase domain of anthrax edema... -

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Basic information

Entry
Database: PDB / ID: 1sk6
TitleCrystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin, 3',5' cyclic AMP (cAMP), and pyrophosphate
Components
  • Calmodulin-sensitive adenylate cyclase
  • Calmodulin
KeywordsToxin / Lyase/Metal Binding Protein / EF3 cAMP PPi CaM / Lyase-Metal Binding Protein COMPLEX
Function / homology
Function and homology information


calmodulin dependent kinase signaling pathway / calcium- and calmodulin-responsive adenylate cyclase activity / regulation of store-operated calcium channel activity / establishment of protein localization to mitochondrial membrane / negative regulation of calcium ion transmembrane transporter activity / adenylate cyclase / regulation of high voltage-gated calcium channel activity / cAMP biosynthetic process / regulation of synaptic vesicle endocytosis / regulation of response to tumor cell ...calmodulin dependent kinase signaling pathway / calcium- and calmodulin-responsive adenylate cyclase activity / regulation of store-operated calcium channel activity / establishment of protein localization to mitochondrial membrane / negative regulation of calcium ion transmembrane transporter activity / adenylate cyclase / regulation of high voltage-gated calcium channel activity / cAMP biosynthetic process / regulation of synaptic vesicle endocytosis / regulation of response to tumor cell / positive regulation of autophagic cell death / DAPK1-calmodulin complex / adenylate cyclase activity / CaM pathway / response to corticosterone / Sodium/Calcium exchangers / Cam-PDE 1 activation / establishment of protein localization to membrane / Calmodulin induced events / Reduction of cytosolic Ca++ levels / Glycogen breakdown (glycogenolysis) / CREB1 phosphorylation through the activation of CaMKII/CaMKK/CaMKIV cascasde / Loss of phosphorylation of MECP2 at T308 / Activation of Ca-permeable Kainate Receptor / PKA activation / CLEC7A (Dectin-1) induces NFAT activation / CREB1 phosphorylation through the activation of Adenylate Cyclase / CaMK IV-mediated phosphorylation of CREB / organelle localization by membrane tethering / regulation of cardiac muscle cell action potential / Activation of RAC1 downstream of NMDARs / negative regulation of high voltage-gated calcium channel activity / autophagosome membrane docking / mitochondrion-endoplasmic reticulum membrane tethering / N-terminal myristoylation domain binding / negative regulation of calcium ion export across plasma membrane / Phase 0 - rapid depolarisation / nitric-oxide synthase binding / Negative regulation of NMDA receptor-mediated neuronal transmission / negative regulation of peptidyl-threonine phosphorylation / regulation of cell communication by electrical coupling involved in cardiac conduction / Unblocking of NMDA receptors, glutamate binding and activation / Synthesis of IP3 and IP4 in the cytosol / positive regulation of ryanodine-sensitive calcium-release channel activity / protein phosphatase activator activity / Ion transport by P-type ATPases / RHO GTPases activate PAKs / adenylate cyclase binding / Long-term potentiation / positive regulation of cyclic-nucleotide phosphodiesterase activity / activation of adenylate cyclase activity / Calcineurin activates NFAT / detection of calcium ion / Uptake and function of anthrax toxins / Regulation of MECP2 expression and activity / Smooth Muscle Contraction / catalytic complex / negative regulation of ryanodine-sensitive calcium-release channel activity / regulation of cardiac muscle contraction / DARPP-32 events / regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion / Activation of AMPK downstream of NMDARs / calcium channel inhibitor activity / RHO GTPases activate IQGAPs / host cell cytosol / potassium ion transmembrane transport / Protein methylation / positive regulation of phosphoprotein phosphatase activity / adenylate cyclase activator activity / Ion homeostasis / regulation of calcium-mediated signaling / regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / eNOS activation / response to amphetamine / substantia nigra development / titin binding / voltage-gated potassium channel complex / positive regulation of protein dephosphorylation / sarcomere / calcium channel complex / Tetrahydrobiopterin (BH4) synthesis, recycling, salvage and regulation / regulation of ryanodine-sensitive calcium-release channel activity / nitric-oxide synthase regulator activity / regulation of heart rate / Ras activation upon Ca2+ influx through NMDA receptor / positive regulation of protein autophosphorylation / enzyme regulator activity / protein serine/threonine kinase activator activity / Inactivation, recovery and regulation of the phototransduction cascade / regulation of synaptic vesicle exocytosis / FCERI mediated Ca+2 mobilization / VEGFR2 mediated vascular permeability / FCGR3A-mediated IL10 synthesis / positive regulation of peptidyl-threonine phosphorylation / calcium-mediated signaling / Antigen activates B Cell Receptor (BCR) leading to generation of second messengers / VEGFR2 mediated cell proliferation / Translocation of SLC2A4 (GLUT4) to the plasma membrane / regulation of cytokinesis / positive regulation of protein serine/threonine kinase activity
Similarity search - Function
Butyryl-CoA Dehydrogenase, subunit A; domain 3 - #60 / Anthrax toxin, edema factor, central domain / Adenylylcyclase toxin fold / Anthrax toxin LF subunit / Anthrax toxin, edema factor, central domain superfamily / Anthrax toxin, edema factor, C-terminal / Anthrax toxin, edema factor, central / Anthrax toxin, lethal/endema factor / Anthrax toxin lethal factor, N- and C-terminal domain / Anthrax toxin, lethal/endema factor, N-/C-terminal ...Butyryl-CoA Dehydrogenase, subunit A; domain 3 - #60 / Anthrax toxin, edema factor, central domain / Adenylylcyclase toxin fold / Anthrax toxin LF subunit / Anthrax toxin, edema factor, central domain superfamily / Anthrax toxin, edema factor, C-terminal / Anthrax toxin, edema factor, central / Anthrax toxin, lethal/endema factor / Anthrax toxin lethal factor, N- and C-terminal domain / Anthrax toxin, lethal/endema factor, N-/C-terminal / Butyryl-CoA Dehydrogenase, subunit A; domain 3 / Metallopeptidase, catalytic domain superfamily / EF-hand / Recoverin; domain 1 / EF-hand domain pair / EF-hand, calcium binding motif / EF-Hand 1, calcium-binding site / EF-hand calcium-binding domain. / EF-hand calcium-binding domain profile. / EF-hand domain / EF-hand domain pair / Alpha-Beta Complex / Up-down Bundle / Orthogonal Bundle / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
Calmodulin-2 / Calmodulin-1 / ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE / PYROPHOSPHATE 2- / YTTERBIUM (III) ION / Calmodulin-sensitive adenylate cyclase
Similarity search - Component
Biological speciesBacillus anthracis (anthrax bacterium)
Homo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 3.2 Å
AuthorsGuo, Q. / Shen, Y. / Zhukovskaya, N.L. / Tang, W.J.
CitationJournal: J.Biol.Chem. / Year: 2004
Title: Structural and kinetic analyses of the interaction of anthrax adenylyl cyclase toxin with reaction products cAMP and pyrophosphate.
Authors: Guo, Q. / Shen, Y. / Zhukovskaya, N.L. / Florian, J. / Tang, W.J.
History
DepositionMar 4, 2004Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 8, 2004Provider: repository / Type: Initial release
Revision 1.1Apr 29, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Nov 20, 2019Group: Advisory / Derived calculations
Category: database_PDB_caveat / pdbx_struct_conn_angle ...database_PDB_caveat / pdbx_struct_conn_angle / pdbx_validate_close_contact / struct_conn
Remark 999SEQUENCE Residue (B ASN 521 ) and Residue (B GLU 524 ) are linked together. Residue (C PHE 773 ) ...SEQUENCE Residue (B ASN 521 ) and Residue (B GLU 524 ) are linked together. Residue (C PHE 773 ) and Residue (C LYS 774 ) are not linked, distance of C-N bond is 1.80.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Calmodulin-sensitive adenylate cyclase
D: Calmodulin
B: Calmodulin-sensitive adenylate cyclase
E: Calmodulin
C: Calmodulin-sensitive adenylate cyclase
F: Calmodulin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)229,90927
Polymers226,5966
Non-polymers3,31321
Water0
1
A: Calmodulin-sensitive adenylate cyclase
D: Calmodulin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)76,6369
Polymers75,5322
Non-polymers1,1047
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6960 Å2
ΔGint-61 kcal/mol
Surface area30960 Å2
MethodPISA
2
B: Calmodulin-sensitive adenylate cyclase
E: Calmodulin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)76,6369
Polymers75,5322
Non-polymers1,1047
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6080 Å2
ΔGint-60 kcal/mol
Surface area32060 Å2
MethodPISA
3
C: Calmodulin-sensitive adenylate cyclase
F: Calmodulin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)76,6369
Polymers75,5322
Non-polymers1,1047
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area7110 Å2
ΔGint-65 kcal/mol
Surface area31180 Å2
MethodPISA
Unit cell
Length a, b, c (Å)116.870, 166.453, 342.393
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number23
Space group name H-MI222

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Components

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Protein , 2 types, 6 molecules ABCDEF

#1: Protein Calmodulin-sensitive adenylate cyclase / ATP pyrophosphate-lyase / Adenylyl cyclase / Edema factor / EF / Anthrax edema toxin adenylate ...ATP pyrophosphate-lyase / Adenylyl cyclase / Edema factor / EF / Anthrax edema toxin adenylate cyclase component


Mass: 58810.605 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bacillus anthracis (anthrax bacterium) / Gene: CYA, PXO1-122 / Plasmid: ProEx-H6-EF3 / Production host: Escherichia coli (E. coli) / Strain (production host): BL(21)DE3 pUBS520 / References: UniProt: P40136, adenylate cyclase
#2: Protein Calmodulin /


Mass: 16721.350 Da / Num. of mol.: 3 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P02593, UniProt: P0DP23*PLUS

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Non-polymers , 4 types, 21 molecules

#3: Chemical
ChemComp-YB / YTTERBIUM (III) ION / Ytterbium


Mass: 173.040 Da / Num. of mol.: 9 / Source method: obtained synthetically / Formula: Yb
#4: Chemical ChemComp-CMP / ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE / CYCLIC AMP / CAMP / Cyclic adenosine monophosphate


Mass: 329.206 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C10H12N5O6P
#5: Chemical ChemComp-POP / PYROPHOSPHATE 2- / Pyrophosphate


Mass: 175.959 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: H2O7P2
#6: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: Ca

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 3.95 Å3/Da / Density % sol: 68.63 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 19-ID / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Nov 28, 2003
RadiationMonochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 3.2→50 Å / Num. all: 50041 / Num. obs: 48122 / % possible obs: 96.2 % / Observed criterion σ(F): 1 / Observed criterion σ(I): 1 / Redundancy: 5.5 % / Biso Wilson estimate: 13.5 Å2 / Rmerge(I) obs: 0.112 / Rsym value: 0.13 / Net I/σ(I): 16.6
Reflection shellResolution: 3.2→3.3 Å / Redundancy: 4.3 % / Rmerge(I) obs: 0.502 / Mean I/σ(I) obs: 2.3 / Num. unique all: 6739 / Rsym value: 0.484 / % possible all: 96.1

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Processing

Software
NameClassification
HKL-2000data collection
SCALEPACKdata scaling
CNSrefinement
HKL-2000data reduction
CNSphasing
RefinementMethod to determine structure: FOURIER SYNTHESIS
Starting model: pdb entry 1k90

1k90


Resolution: 3.2→50 Å / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.3067 4829 -10%
Rwork0.2497 ---
all0.251 50041 --
obs0.2497 48122 96.2 %-
Refinement stepCycle: LAST / Resolution: 3.2→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms14942 0 108 0 15050
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.0089
X-RAY DIFFRACTIONc_angle_deg1.34
LS refinement shellHighest resolution: 3.2 Å / Rfactor Rfree error: 0.005
RfactorNum. reflection% reflection
Rfree0.3067 4829 -
Rwork0.2497 --
obs-43293 96.5 %

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