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- PDB-4cpa: REFINED CRYSTAL STRUCTURE OF THE POTATO INHIBITOR COMPLEX OF CARB... -
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Open data
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Basic information
Entry | Database: PDB / ID: 4cpa | ||||||||||||
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Title | REFINED CRYSTAL STRUCTURE OF THE POTATO INHIBITOR COMPLEX OF CARBOXYPEPTIDASE A AT 2.5 ANGSTROMS RESOLUTION | ||||||||||||
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![]() | HYDROLASE (C-TERMINAL PEPTIDASE) | ||||||||||||
Function / homology | ![]() carboxypeptidase A / leukotriene metabolic process / endopeptidase inhibitor activity / metallocarboxypeptidase activity / proteolysis / extracellular space / zinc ion binding Similarity search - Function | ||||||||||||
Biological species | ![]() ![]() ![]() ![]() | ||||||||||||
Method | ![]() | ||||||||||||
![]() | Lipscomb, W.N. / Rees, D.C. | ||||||||||||
![]() | ![]() Title: Refined crystal structure of the potato inhibitor complex of carboxypeptidase A at 2.5 A resolution. Authors: Rees, D.C. / Lipscomb, W.N. #1: ![]() Title: Refined Crystal Structure of Carboxypeptidase a at 1.54 Angstroms Resolution. Authors: Rees, D.C. / Lewis, M. / Lipscomb, W.N. #2: ![]() Title: Structure of the Potato Inhibitor Complex of Carboxypeptidase a at 2.5-Angstroms Resolution Authors: Rees, D.C. / Lipscomb, W.N. #3: ![]() Title: Structure of Potato Inhibitor Complex of Carboxypeptidase a at 5.5-Angstroms Resolution Authors: Rees, D.C. / Lipscomb, W.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 | ![]() | 145.2 KB | Display | ![]() |
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PDB format | ![]() | 110.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 408.7 KB | Display | ![]() |
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Full document | ![]() | 496.9 KB | Display | |
Data in XML | ![]() | 26.9 KB | Display | |
Data in CIF | ![]() | 35.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-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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2 | ![]()
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Unit cell |
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Atom site foot note | 1: SEE REMARK 6. | ||||||||
Noncrystallographic symmetry (NCS) | NCS oper: (Code: given Matrix: (-0.500272, 0.865852, -0.005458), Vector: Details | THERE ARE TWO COPIES OF THE CPA-CPI COMPLEX IN THE ASYMMETRIC UNIT. THE SECOND COPY MAY BE GENERATED FROM THIS ENTRY BY APPLYING THE TRANSFORMATION GIVEN BY THE *MTRIX* RECORDS BELOW. | |
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Components
#1: Protein | Mass: 34442.461 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #2: Protein/peptide | Mass: 4183.710 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #3: Chemical | #4: Chemical | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.32 Å3/Da / Density % sol: 46.93 % |
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Crystal grow | *PLUS Method: otherDetails: Rees, D.C., (1980) Proc.Natl.Acad.Sci.USA, 77, 4633. |
-Data collection
Reflection | *PLUS Highest resolution: 2.5 Å / Num. all: 23869 / Num. obs: 20550 / % possible obs: 85 % / Num. measured all: 63512 / Rmerge(I) obs: 0.074 |
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Processing
Software | Name: PROLSQ / Classification: refinement | ||||||||||||||||||||
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Refinement | Highest resolution: 2.5 Å | ||||||||||||||||||||
Refinement step | Cycle: LAST / Highest resolution: 2.5 Å
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Refinement | *PLUS Rfactor obs: 0.196 | ||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||
Refine LS restraints | *PLUS
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