+Open data
-Basic information
Entry | Database: PDB / ID: 8imb | ||||||
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Title | Filament interface structure of GAC with phosphate | ||||||
Components | Glutaminase kidney isoform, mitochondrial | ||||||
Keywords | HYDROLASE / Glutaminase / phosphate / filament / PROTEIN FIBRIL | ||||||
Function / homology | Function and homology information glutamine catabolic process / glutamate biosynthetic process / regulation of respiratory gaseous exchange by nervous system process / Glutamate and glutamine metabolism / intracellular glutamate homeostasis / Glutamate Neurotransmitter Release Cycle / glutaminase / glutaminase activity / suckling behavior / TP53 Regulates Metabolic Genes ...glutamine catabolic process / glutamate biosynthetic process / regulation of respiratory gaseous exchange by nervous system process / Glutamate and glutamine metabolism / intracellular glutamate homeostasis / Glutamate Neurotransmitter Release Cycle / glutaminase / glutaminase activity / suckling behavior / TP53 Regulates Metabolic Genes / chemical synaptic transmission / protein homotetramerization / mitochondrial matrix / synapse / mitochondrion / cytosol Similarity search - Function | ||||||
Biological species | Homo sapiens (human) | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.9 Å | ||||||
Authors | Guo, C.J. / Liu, J.L. | ||||||
Funding support | China, 1items
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Citation | Journal: Cell Res / Year: 2024 Title: Structural basis for activation and filamentation of glutaminase. Authors: Chen-Jun Guo / Zi-Xuan Wang / Ji-Long Liu / | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 8imb.cif.gz | 877.7 KB | Display | PDBx/mmCIF format |
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PDB format | pdb8imb.ent.gz | Display | PDB format | |
PDBx/mmJSON format | 8imb.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/im/8imb ftp://data.pdbj.org/pub/pdb/validation_reports/im/8imb | HTTPS FTP |
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-Related structure data
Related structure data | 35574MC 8imaC M: map data used to model this data C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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1 |
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-Components
#1: Protein | Mass: 53083.738 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: GLS, GLS1, KIAA0838 Production host: Escherichia coli 'BL21-Gold(DE3)pLysS AG' (bacteria) References: UniProt: O94925, glutaminase #2: Chemical | ChemComp-PO4 / Has ligand of interest | Y | |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: FILAMENT / 3D reconstruction method: single particle reconstruction |
-Sample preparation
Component | Name: GAC filament with phosphate / Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT |
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Source (natural) | Organism: Homo sapiens (human) |
Source (recombinant) | Organism: Escherichia coli 'BL21-Gold(DE3)pLysS AG' (bacteria) |
Buffer solution | pH: 8.5 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE |
-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: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
Electron lens | Mode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 1800 nm / Nominal defocus min: 1200 nm |
Image recording | Electron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) |
-Processing
Software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
3D reconstruction | Resolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 321414 / Symmetry type: POINT | ||||||||||||||||||||||||
Refinement | Cross valid method: NONE Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2 | ||||||||||||||||||||||||
Displacement parameters | Biso mean: 922.14 Å2 | ||||||||||||||||||||||||
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