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Open data
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Basic information
Entry | Database: PDB / ID: 9b3o | ||||||||||||||||||
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Title | NorA in inward-occluded conformation (NorA-BRIL fusion) | ||||||||||||||||||
![]() | NorA-BRIL(3A) fusion | ||||||||||||||||||
![]() | TRANSPORT PROTEIN / membrane protein / Staphylococcus aureus / antibiotic resistance / efflux pump | ||||||||||||||||||
Function / homology | ![]() | ||||||||||||||||||
Biological species | ![]() ![]() | ||||||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.18 Å | ||||||||||||||||||
![]() | Xie, P. / Li, Y. / Kuang, H. / Wang, D.N. / Traaseth, N.J. | ||||||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: A shared helix approach to solve small membrane transporter structures using cryo-EM Authors: Xie, P. / Li, Y. / Kuang, H. / Wang, D.N. / Traaseth, N.J. | ||||||||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 80.8 KB | Display | ![]() |
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PDB format | ![]() | 57 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 44147MC ![]() 9b3kC ![]() 9b3lC ![]() 9b3mC 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
#1: Protein | Mass: 53388.516 Da / Num. of mol.: 1 Fragment: NorA domain (1-380) + 3A linker (381-383) + Bril domain (384-490) Source method: isolated from a genetically manipulated source Details: NorA-BRIL(3A) fusion details: M1 to R380 is NorA domain; A381 to A383 is the 3A linker; A384 to L490 is Bril domain (most residues for Bril domain were not built since a mask was added only ...Details: NorA-BRIL(3A) fusion details: M1 to R380 is NorA domain; A381 to A383 is the 3A linker; A384 to L490 is Bril domain (most residues for Bril domain were not built since a mask was added only around NorA domain during data processing) Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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Has protein modification | N |
-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: NorA-BRIL(3A)-FabBRIL / Type: COMPLEX Details: FabBRIL was added but not built in model due to masking. Here is its sequence: Heavy chain: ...Details: FabBRIL was added but not built in model due to masking. Here is its sequence: Heavy chain: SEVQLVESGGGLVQPGGSLRLSCAASGFNVVDFSLHWVRQAPGKGLEWVAYISSSSGSTSYADSVKGRFTISADTSKNTAYLQMNSLRAEDTAVYYCARWGYWPGEPWWKAFDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKS Light chain: DIQMTQSPSSLSASVGDRVTITCRASQSVSSAVAWYQQKPGKAPKLLIYSASSLYSGVPSRFSGSRSGTDFTLTISSLQPEDFATYYCQQYLYYSLVTFGQGTKVEIKRTVAAPSVFIFPPSDSQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRG Entity ID: all / Source: RECOMBINANT | |||||||||||||||
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Source (natural) | Organism: ![]() ![]() | |||||||||||||||
Source (recombinant) | Organism: ![]() ![]() | |||||||||||||||
Buffer solution | pH: 5 / Details: 400 mM NaCl, 50 mM sodium acetate, pH 5.0 | |||||||||||||||
Buffer component |
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Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | |||||||||||||||
Specimen support | Details: hold for 10 sec before 25sec glow discharging / Grid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R1.2/1.3 | |||||||||||||||
Vitrification | Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 281 K |
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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 magnification: 105000 X / Nominal defocus max: 1800 nm / Nominal defocus min: 1000 nm / Cs: 2.7 mm / C2 aperture diameter: 100 µm |
Specimen holder | Cryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Temperature (max): 77 K / Temperature (min): 77 K |
Image recording | Average exposure time: 1.2 sec. / Electron dose: 55.54 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) |
Image scans | Sampling size: 5 µm / Width: 5760 / Height: 4092 |
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Processing
EM software |
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CTF correction | Details: Patch CTF estimation (multi) was used for CTF correction Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | |||||||||||||||||||||||||||||||||||||||||||||
Particle selection | Num. of particles selected: 1812072 / Details: Topaz training | |||||||||||||||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 3.18 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 117232 / Num. of class averages: 2 / Symmetry type: POINT | |||||||||||||||||||||||||||||||||||||||||||||
Atomic model building | Protocol: RIGID BODY FIT / Space: REAL | |||||||||||||||||||||||||||||||||||||||||||||
Atomic model building | Details: Alphafold2 prediction / Source name: Other / Type: other | |||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints |
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