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Yorodumi- PDB-1drh: ISOMORPHOUS CRYSTAL STRUCTURES OF ESCHERICHIA COLI DIHYDROFOLATE ... -
+Open data
-Basic information
Entry | Database: PDB / ID: 1drh | ||||||
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Title | ISOMORPHOUS CRYSTAL STRUCTURES OF ESCHERICHIA COLI DIHYDROFOLATE REDUCTASE COMPLEXED WITH FOLATE, 5-DEAZAFOLATE AND 5,10-DIDEAZATETRAHYDROFOLATE: MECHANISTIC IMPLICATIONS | ||||||
Components | DIHYDROFOLATE REDUCTASE | ||||||
Keywords | OXIDOREDUCTASE | ||||||
Function / homology | Function and homology information methotrexate binding / dihydrofolic acid binding / response to methotrexate / dihydrofolate metabolic process / NADP+ binding / folic acid binding / folic acid metabolic process / glycine biosynthetic process / dihydrofolate reductase / dihydrofolate reductase activity ...methotrexate binding / dihydrofolic acid binding / response to methotrexate / dihydrofolate metabolic process / NADP+ binding / folic acid binding / folic acid metabolic process / glycine biosynthetic process / dihydrofolate reductase / dihydrofolate reductase activity / NADPH binding / tetrahydrofolate biosynthetic process / one-carbon metabolic process / NADP binding / response to xenobiotic stimulus / response to antibiotic / cytosol Similarity search - Function | ||||||
Biological species | Escherichia coli (E. coli) | ||||||
Method | X-RAY DIFFRACTION / Resolution: 2.3 Å | ||||||
Authors | Sawaya, M.R. / Kraut, J. | ||||||
Citation | Journal: Biochemistry / Year: 1995 Title: Isomorphous crystal structures of Escherichia coli dihydrofolate reductase complexed with folate, 5-deazafolate, and 5,10-dideazatetrahydrofolate: mechanistic implications. Authors: Reyes, V.M. / Sawaya, M.R. / Brown, K.A. / Kraut, J. #1: Journal: Biochemistry / Year: 1991 Title: Crystal Structure of Unliganded Escherichia Coli Dihydrofolate Reductase. Ligand Induced Conformational Changes and Cooperativity Binding Authors: Bystroff, C. / Kraut, J. #2: Journal: Biochemistry / Year: 1990 Title: Crystal Structures of Escherichia Coli Dihydrofolate Reductase and Folate.Nadp+ Ternary Complex. Substrate Binding and a Model for the Transition State Authors: Bystroff, C. / Oatley, S.J. / Kraut, J. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1drh.cif.gz | 46.5 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1drh.ent.gz | 32.5 KB | Display | PDB format |
PDBx/mmJSON format | 1drh.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/dr/1drh ftp://data.pdbj.org/pub/pdb/validation_reports/dr/1drh | HTTPS FTP |
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-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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Atom site foot note | 1: GLY 95 - GLY 96 OMEGA = 358.73 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION 2: THE FOLLOWING SIDE CHAINS HAVE MISSING ATOMS: GLU 17, LEU 28, LYS 32, ARG 52, ARG 98, GLU 120, ARG 159. |
-Components
#1: Protein | Mass: 18020.326 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli (E. coli) / References: UniProt: P0ABQ4, dihydrofolate reductase |
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#2: Chemical | ChemComp-NAP / |
#3: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION |
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-Sample preparation
Crystal | Density Matthews: 3.3 Å3/Da / Density % sol: 62.76 % | ||||||||||||||||||||||||||||||||||||
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Crystal grow | *PLUS Temperature: 4 ℃ / pH: 6.8 / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Radiation | Scattering type: x-ray |
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Radiation wavelength | Relative weight: 1 |
-Processing
Software | Name: TNT / Classification: refinement | ||||||||||||||||||||||||||||||
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Refinement | Resolution: 2.3→20 Å / σ(F): 0 /
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Refinement step | Cycle: LAST / Resolution: 2.3→20 Å
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Refine LS restraints |
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Software | *PLUS Name: TNT / Classification: refinement | ||||||||||||||||||||||||||||||
Refinement | *PLUS Rfactor obs: 0.208 | ||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS Type: t_angle_d / Dev ideal: 3 |