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- PDB-6cha: STRUCTURE OF A TETRAHEDRAL TRANSITION STATE COMPLEX OF ALPHA-*CHY... -
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Open data
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Basic information
Entry | Database: PDB / ID: 6cha | ||||||
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Title | STRUCTURE OF A TETRAHEDRAL TRANSITION STATE COMPLEX OF ALPHA-*CHYMOTRYPSIN AT 1.8-*ANGSTROMS RESOLUTION | ||||||
![]() | (ALPHA-CHYMOTRYPSIN A) x 3 | ||||||
![]() | HYDROLASE (SERINE PROTEINASE) | ||||||
Function / homology | ![]() chymotrypsin / serpin family protein binding / serine protease inhibitor complex / digestion / serine-type endopeptidase activity / proteolysis / extracellular region Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() | ||||||
![]() | Tulinsky, A. / Blevins, R.A. | ||||||
![]() | ![]() Title: Structure of a tetrahedral transition state complex of alpha-chymotrypsin dimer at 1.8-A resolution. Authors: Tulinsky, A. / Blevins, R.A. #1: ![]() Title: Least-Squares Refinement of Two Protein Molecules Per Asymmetric Unit with and without Non-Crystallographic Symmetry Restrained Authors: Tulinsky, A. / Blevins, R.A. #2: ![]() Title: The Refinement and the Structure of the Dimer of Alpha-Chymotrypsin at 1.67-Angstroms Resolution Authors: Blevins, R.A. / Tulinsky, A. #3: ![]() Title: Comparison of the Independent Solvent Structures of Dimeric Alpha-Chymotrypsin with Themselves and with Gamma-Chymotrypsin Authors: Blevins, R.A. / Tulinsky, A. #4: ![]() Title: The Structure of Alpha-Chymotrypsin. II. Fourier Phase Refinement and Extension of the Dimeric Modification Authors: Raghavan, N.V. / Tulinsky, A. #5: ![]() Title: The Structure of Alpha-Chymotrypsin. I. The Refinement of the Heavy-Atom Isomorphous Derivatives at 2.8 Angstroms Resolution Authors: Tulinsky, A. / Mani, N.V. / Morimoto, C.N. / Vandlen, R.L. #6: ![]() Title: Variability in the Tertiary Structure of Alpha-Chymotrypsin at 2.8-Angstroms Resolution Authors: Tulinsky, A. / Vandlen, R.L. / Morimoto, C.N. / Mani, N.V. / Wright, L.H. #7: ![]() Title: Asymmetrical Changes in the Tertiary Structure of Alpha-Chymotrypsin with Change in Ph Authors: Mavridis, A. / Tulinsky, A. / Liebman, M.N. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 103.3 KB | Display | ![]() |
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PDB format | ![]() | 79.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 |
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS oper: (Code: given Matrix: (0.91789, 0.00797, 0.39675), Vector: Details | 6CHA THE TRANSFORMATION PROVIDED ON THE *MTRIX* RECORDS BELOW 6CHA YIELDS APPROXIMATE COORDINATES FOR CHAIN *A* WHEN APPLIED 6CHA TO CHAIN *B*. 6CHA | |
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Components
#1: Protein/peptide | Mass: 1253.511 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #2: Protein | Mass: 13934.556 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #3: Protein | Mass: 10074.495 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #4: Chemical | #5: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.11 Å3/Da / Density % sol: 41.78 % |
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Crystal grow | *PLUS Method: other / Details: Blevins, R.A., (1985) J. Mol. Biol., 260, 4264. |
-Data collection
Radiation | Scattering type: x-ray |
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Radiation wavelength | Relative weight: 1 |
Reflection | *PLUS Highest resolution: 1.8 Å / Num. all: 26342 / Num. obs: 22428 / % possible obs: 59.5 % / Num. measured all: 37693 / Rmerge(I) obs: 0.18 |
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Processing
Software | Name: PROLSQ / Classification: refinement | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Refinement | Resolution: 1.8→5 Å / Rfactor obs: 0.2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.8→5 Å
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Refine LS restraints |
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