+Open data
-Basic information
Entry | Database: PDB / ID: 4xpv | |||||||||
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Title | Neutron and X-ray structure analysis of xylanase: N44D at pH6 | |||||||||
Components | Endo-1,4-beta-xylanase 2Xylanase | |||||||||
Keywords | HYDROLASE / jelly roll | |||||||||
Function / homology | Function and homology information endo-1,4-beta-xylanase activity / endo-1,4-beta-xylanase / xylan catabolic process / extracellular region Similarity search - Function | |||||||||
Biological species | Hypocrea jecorina (fungus) | |||||||||
Method | X-RAY DIFFRACTION / NEUTRON DIFFRACTION / NUCLEAR REACTOR / MOLECULAR REPLACEMENT / Resolution: 1.7 Å | |||||||||
Authors | Wan, Q. / Park, J.M. / Riccardi, D.M. / Hanson, L.B. / Fisher, Z. / Smith, J.C. / Ostermann, A. / Schrader, T. / Graham, D.E. / Coates, L. ...Wan, Q. / Park, J.M. / Riccardi, D.M. / Hanson, L.B. / Fisher, Z. / Smith, J.C. / Ostermann, A. / Schrader, T. / Graham, D.E. / Coates, L. / Langan, P. / Kovalevsky, A.Y. | |||||||||
Funding support | United States, China, 2items
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Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2015 Title: Direct determination of protonation states and visualization of hydrogen bonding in a glycoside hydrolase with neutron crystallography. Authors: Wan, Q. / Parks, J.M. / Hanson, B.L. / Fisher, S.Z. / Ostermann, A. / Schrader, T.E. / Graham, D.E. / Coates, L. / Langan, P. / Kovalevsky, A. #1: Journal: Acta Crystallogr.,Sect.F / Year: 2011 Title: Preliminary joint X-ray and neutron protein crystallographic studies of endoxylanase II from the fungus Trichoderma longibrachiatum. Authors: Kovalevsky, A.Y. / Hanson, B.L. / Seaver, S. / Fisher, S.Z. / Mustyakimov, M. / Langan, P. #2: Journal: Acta Crystallogr.,Sect.D / Year: 2014 Title: X-ray crystallographic studies of family 11 xylanase Michaelis and product complexes: implications for the catalytic mechanism. Authors: Wan, Q. / Zhang, Q. / Hamilton-Brehm, S. / Weiss, K. / Mustyakimov, M. / Coates, L. / Langan, P. / Graham, D. / Kovalevsky, A. #3: Journal: Acta Crystallogr.,Sect.F / Year: 2013 Title: Heterologous expression, purification, crystallization and preliminary X-ray analysis of Trichoderma reesei xylanase II and four variants. Authors: Wan, Q. / Kovalevsky, A. / Zhang, Q. / Hamilton-Brehm, S. / Upton, R. / Weiss, K.L. / Mustyakimov, M. / Graham, D. / Coates, L. / Langan, P. | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 4xpv.cif.gz | 97 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4xpv.ent.gz | 75.2 KB | Display | PDB format |
PDBx/mmJSON format | 4xpv.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/xp/4xpv ftp://data.pdbj.org/pub/pdb/validation_reports/xp/4xpv | HTTPS FTP |
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-Related structure data
Related structure data | 4s2dC 4s2fC 4s2gC 4s2hC 4xq4C 4xqdC 4xqwC 1rx2S S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 20728.322 Da / Num. of mol.: 1 / Mutation: N44D Source method: isolated from a genetically manipulated source Source: (gene. exp.) Hypocrea jecorina (fungus) / Gene: xyn2 / Plasmid: pJexpress401 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21-Gold / References: UniProt: P36217, endo-1,4-beta-xylanase | ||
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#2: Chemical | #3: Chemical | ChemComp-DOD / | |
-Experimental details
-Experiment
Experiment |
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-Sample preparation
Crystal | Density Matthews: 2.52 Å3/Da / Density % sol: 51.24 % |
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Crystal grow | Temperature: 291 K / Method: vapor diffusion, sitting drop / pH: 7 / Details: 16% PEG8000, 0.2 M NaI, 0.1 M HEPES at pH 7.0 / PH range: 6-7 |
-Data collection
Diffraction |
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Diffraction source |
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Detector |
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Radiation |
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Radiation wavelength |
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Reflection | Entry-ID: 4XPV
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Reflection shell |
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-Processing
Software |
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Refinement | % reflection Rfree: 5 % / R Free selection details: RANDOM / Cross valid method: FREE R-VALUE
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Refinement step | Cycle: final / Resolution: 1.7→20 Å
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Refine LS restraints |
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LS refinement shell |
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