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Open data
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Basic information
Entry | Database: EMDB / ID: EMD-22360 | |||||||||
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Title | Structure of Drosophila ORC bound to GC-rich DNA and Cdc6 | |||||||||
![]() | unsharpened cryo-EM map | |||||||||
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![]() | origin recognition complex / DNA replication initiation / REPLICATION / REPLICATION-DNA complex | |||||||||
Function / homology | ![]() alpha-heterochromatin / larval feeding behavior / CDC6 association with the ORC:origin complex / septin cytoskeleton / CDK-mediated phosphorylation and removal of Cdc6 / septin cytoskeleton organization / Activation of ATR in response to replication stress / Activation of the pre-replicative complex / eggshell chorion gene amplification / Orc1 removal from chromatin ...alpha-heterochromatin / larval feeding behavior / CDC6 association with the ORC:origin complex / septin cytoskeleton / CDK-mediated phosphorylation and removal of Cdc6 / septin cytoskeleton organization / Activation of ATR in response to replication stress / Activation of the pre-replicative complex / eggshell chorion gene amplification / Orc1 removal from chromatin / DNA amplification / positive regulation of border follicle cell migration / origin recognition complex / Assembly of the ORC complex at the origin of replication / nuclear origin of replication recognition complex / olfactory learning / nuclear pre-replicative complex / DNA replication preinitiation complex / mitotic chromosome condensation / mitotic DNA replication checkpoint signaling / chromosome condensation / DNA replication origin binding / DNA replication initiation / nuclear pore / ribonucleoprotein complex binding / heterochromatin / GTPase activator activity / mitotic spindle organization / learning / DNA-templated DNA replication / mitotic cell cycle / learning or memory / DNA replication / cell division / chromatin binding / protein homodimerization activity / ATP hydrolysis activity / DNA binding / ATP binding / metal ion binding / nucleus / plasma membrane Similarity search - Function | |||||||||
Biological species | ![]() ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.4 Å | |||||||||
![]() | Schmidt JM / Bleichert F | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Structural mechanism for replication origin binding and remodeling by a metazoan origin recognition complex and its co-loader Cdc6. Authors: Schmidt JM / Bleichert F | |||||||||
History |
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Structure visualization
Movie |
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Structure viewer | EM map: ![]() ![]() ![]() |
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Downloads & links
-EMDB archive
Map data | ![]() | 80.8 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 31.3 KB 31.3 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 10.7 KB | Display | ![]() |
Images | ![]() | 138.6 KB | ||
Filedesc metadata | ![]() | 8.7 KB | ||
Others | ![]() ![]() ![]() | 10.8 MB 80.8 MB 80.7 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 1004.8 KB | Display | ![]() |
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Full document | ![]() | 1004.3 KB | Display | |
Data in XML | ![]() | 17.6 KB | Display | |
Data in CIF | ![]() | 23.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 7jk3MC ![]() 7jgrC ![]() 7jgsC ![]() 7jk2C ![]() 7jk4C ![]() 7jk5C ![]() 7jk6C C: citing same article ( M: atomic model generated by this map |
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Similar structure data |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
File | ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Annotation | unsharpened cryo-EM map | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.86 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
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-Supplemental data
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Sample components
+Entire : Drosophila ORC bound to GC-rich DNA and Cdc6
+Supramolecule #1: Drosophila ORC bound to GC-rich DNA and Cdc6
+Macromolecule #1: Origin recognition complex subunit 2
+Macromolecule #2: Origin recognition complex subunit 3
+Macromolecule #3: Origin recognition complex subunit 4
+Macromolecule #4: Origin recognition complex subunit 5
+Macromolecule #5: Origin recognition complex subunit 6
+Macromolecule #6: Origin recognition complex subunit 1
+Macromolecule #7: Cell division control protein
+Macromolecule #8: DNA (33-MER)
+Macromolecule #9: DNA (33-MER)
+Macromolecule #10: ADENOSINE-5'-TRIPHOSPHATE
+Macromolecule #11: MAGNESIUM ION
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Buffer | pH: 7.6 Component:
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Grid | Model: Quantifoil, UltrAuFoil, R1.2/1.3 / Material: GOLD / Mesh: 300 / Pretreatment - Type: PLASMA CLEANING / Pretreatment - Time: 10 sec. / Pretreatment - Atmosphere: OTHER | ||||||||||||
Vitrification | Cryogen name: ETHANE / Instrument: FEI VITROBOT MARK IV | ||||||||||||
Details | Recombinantly expressed and purified Drosophila ORC and Cdc6 were mixed with DNA and the DNA-bound ternary complex purified by size exclusion chromatography. |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | #0 - Image recording ID: 1 / #0 - Film or detector model: GATAN K2 SUMMIT (4k x 4k) / #0 - Detector mode: COUNTING / #0 - Average electron dose: 40.0 e/Å2 #0 - Details: Two different datasets were recorded for this sample. #1 - Image recording ID: 2 / #1 - Film or detector model: GATAN K2 SUMMIT (4k x 4k) / #1 - Detector mode: COUNTING / #1 - Average electron dose: 50.0 e/Å2 #1 - Details: Two different datasets were recorded for this sample. |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |