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- PDB-8z1z: Cryo-EM structure of Escherichia coli DppAR383D+D436RBCDF in pre-... -
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Open data
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Basic information
Entry | Database: PDB / ID: 8z1z | |||||||||||||||||||||
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Title | Cryo-EM structure of Escherichia coli DppAR383D+D436RBCDF in pre-catalytic state | |||||||||||||||||||||
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![]() | TRANSPORT PROTEIN / ABC importer / SBP / Peptide transporter | |||||||||||||||||||||
Function / homology | ![]() ABC-type dipeptide transporter / dipeptide transport / heme transport / dipeptide transmembrane transporter activity / heme transmembrane transporter activity / heme transmembrane transport / peptide transmembrane transporter activity / positive chemotaxis / ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing / : ...ABC-type dipeptide transporter / dipeptide transport / heme transport / dipeptide transmembrane transporter activity / heme transmembrane transporter activity / heme transmembrane transport / peptide transmembrane transporter activity / positive chemotaxis / ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing / : / peptide binding / response to radiation / protein transport / outer membrane-bounded periplasmic space / 4 iron, 4 sulfur cluster binding / heme binding / ATP hydrolysis activity / ATP binding / membrane / plasma membrane Similarity search - Function | |||||||||||||||||||||
Biological species | ![]() ![]() ![]() ![]() | |||||||||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.26 Å | |||||||||||||||||||||
![]() | Li, P. / Huang, Y. | |||||||||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Cryo-EM structure of Escherichia coli DppAR383DD436RBCDF in the catalytic intermediate state Authors: Li, P. / Huang, Y. | |||||||||||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 352.2 KB | Display | ![]() |
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PDB format | ![]() | 279.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.2 MB | Display | ![]() |
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Full document | ![]() | 1.2 MB | Display | |
Data in XML | ![]() | 57.8 KB | Display | |
Data in CIF | ![]() | 86.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 39741MC M: map data used to model this data C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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Components
-Dipeptide transport system permease protein ... , 2 types, 2 molecules AB
#1: Protein | Mass: 37531.812 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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#2: Protein | Mass: 32328.295 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
-Dipeptide transport ATP-binding protein ... , 2 types, 2 molecules CD
#3: Protein | Mass: 35886.363 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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#4: Protein | Mass: 37610.453 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() Gene: dppF, dppE, b3540, JW3509 / Production host: ![]() ![]() |
-Protein , 1 types, 1 molecules F
#5: Protein | Mass: 60366.531 Da / Num. of mol.: 1 / Mutation: R383D, D436R Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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-Non-polymers , 2 types, 4 molecules 


#6: Chemical | #7: Chemical | |
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-Details
Has ligand of interest | Y |
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Has protein modification | Y |
-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
Component | Name: DppAR383DD436RBCDF bound to ATPgammaS / Type: COMPLEX / Entity ID: #1-#5 / Source: RECOMBINANT |
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Source (natural) | Organism: ![]() ![]() |
Source (recombinant) | Organism: ![]() ![]() |
Buffer solution | pH: 7.5 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 1800 nm / Nominal defocus min: 1200 nm |
Image recording | Electron dose: 45 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k) |
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Processing
CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION |
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3D reconstruction | Resolution: 3.26 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 375658 / Symmetry type: POINT |