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Yorodumi- PDB-7ezt: The structure and functional mechanism of nucleotide regulated ac... -
+Open data
-Basic information
Entry | Database: PDB / ID: 7ezt | ||||||
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Title | The structure and functional mechanism of nucleotide regulated acetylhexosaminidase Am2136 from Akkermansia muciniphila | ||||||
Components | (Beta-N-acetylhexosaminidaseHexosaminidase) x 4 | ||||||
Keywords | HYDROLASE / Akkermansia Muciniphila Glycosidase Mucin | ||||||
Function / homology | Function and homology information beta-N-acetylhexosaminidase activity / beta-N-acetylhexosaminidase / N-acetyl-beta-D-galactosaminidase activity / polysaccharide catabolic process Similarity search - Function | ||||||
Biological species | Akkermansia muciniphila (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.81 Å | ||||||
Authors | Bao, R. / Li, C.C. / Tang, X.Y. / Zhu, Y.B. / Song, Y.J. / Zhao, N.L. / Huang, Q. / Mou, X.Y. / Luo, G.H. / Liu, T.G. | ||||||
Funding support | China, 1items
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Citation | Journal: Gut Microbes / Year: 2022 Title: Nucleotide binding as an allosteric regulatory mechanism for Akkermansia muciniphila beta- N -acetylhexosaminidase Am2136. Authors: Li, C.C. / Yi, H. / Wang, Y.M. / Tang, X.Y. / Zhu, Y.B. / Song, Y.J. / Zhao, N.L. / Huang, Q. / Mou, X.Y. / Luo, G.H. / Liu, T.G. / Yang, G.L. / Zeng, Y.J. / Wang, L.J. / Tang, H. / Fan, G. / Bao, R. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7ezt.cif.gz | 1.3 MB | Display | PDBx/mmCIF format |
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PDB format | pdb7ezt.ent.gz | 940.7 KB | Display | PDB format |
PDBx/mmJSON format | 7ezt.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ez/7ezt ftp://data.pdbj.org/pub/pdb/validation_reports/ez/7ezt | HTTPS FTP |
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-Related structure data
Related structure data | 6jqfS S: Starting model for refinement |
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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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2 |
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3 |
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4 |
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Unit cell |
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-Components
-Protein , 4 types, 4 molecules ABCD
#1: Protein | Mass: 82765.852 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Akkermansia muciniphila (strain ATCC BAA-835 / Muc) (bacteria) Strain: ATCC BAA-835 / Muc / Gene: Amuc_2136 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: B2UPR7, beta-N-acetylhexosaminidase |
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#2: Protein | Mass: 81694.688 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Akkermansia muciniphila (strain ATCC BAA-835 / Muc) (bacteria) Strain: ATCC BAA-835 / Muc / Gene: Amuc_2136 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: B2UPR7, beta-N-acetylhexosaminidase |
#3: Protein | Mass: 82081.086 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Akkermansia muciniphila (strain ATCC BAA-835 / Muc) (bacteria) Strain: ATCC BAA-835 / Muc / Gene: Amuc_2136 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: B2UPR7, beta-N-acetylhexosaminidase |
#4: Protein | Mass: 82451.555 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Akkermansia muciniphila (strain ATCC BAA-835 / Muc) (bacteria) Strain: ATCC BAA-835 / Muc / Gene: Amuc_2136 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: B2UPR7, beta-N-acetylhexosaminidase |
-Non-polymers , 2 types, 206 molecules
#5: Chemical | ChemComp-MG / #6: Water | ChemComp-HOH / | |
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-Details
Has ligand of interest | Y |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.78 Å3/Da / Density % sol: 55.79 % |
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Crystal grow | Temperature: 292 K / Method: vapor diffusion, hanging drop / Details: 0.2M Li2SO4, 25% w/v PEG3350, 0.1M HEPES, pH7.5 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: SSRF / Beamline: BL18U1 / Wavelength: 0.9793 Å |
Detector | Type: ADSC QUANTUM 315r / Detector: CCD / Date: Jun 18, 2020 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9793 Å / Relative weight: 1 |
Reflection | Resolution: 2.81→30 Å / Num. obs: 86269 / % possible obs: 99.2 % / Redundancy: 13.7 % / Biso Wilson estimate: 43.94 Å2 / CC1/2: 0.89 / Rpim(I) all: 0.065 / Net I/σ(I): 11.6 |
Reflection shell | Resolution: 2.81→3.02 Å / Mean I/σ(I) obs: 3 / Num. unique obs: 8562 / Rpim(I) all: 0.244 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 6JQF Resolution: 2.81→26.44 Å / SU ML: 0.3019 / Cross valid method: FREE R-VALUE / σ(F): 0.32 / Phase error: 25.7823 Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 50.07 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.81→26.44 Å
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Refine LS restraints |
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LS refinement shell |
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Refinement TLS params. | Method: refined / Origin x: -14.6705518087 Å / Origin y: -18.3248207802 Å / Origin z: -40.076552862 Å
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Refinement TLS group | Selection details: all |