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Yorodumi- PDB-1ca2: REFINED STRUCTURE OF HUMAN CARBONIC ANHYDRASE II AT 2.0 ANGSTROMS... -
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-Basic information
Entry | Database: PDB / ID: 1ca2 | |||||||||
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Title | REFINED STRUCTURE OF HUMAN CARBONIC ANHYDRASE II AT 2.0 ANGSTROMS RESOLUTION | |||||||||
Components | CARBONIC ANHYDRASE IICarbonic anhydrase | |||||||||
Keywords | LYASE(OXO-ACID) | |||||||||
Function / homology | Function and homology information positive regulation of cellular pH reduction / positive regulation of dipeptide transmembrane transport / regulation of monoatomic anion transport / secretion / cyanamide hydratase / cyanamide hydratase activity / arylesterase activity / regulation of chloride transport / Reversible hydration of carbon dioxide / angiotensin-activated signaling pathway ...positive regulation of cellular pH reduction / positive regulation of dipeptide transmembrane transport / regulation of monoatomic anion transport / secretion / cyanamide hydratase / cyanamide hydratase activity / arylesterase activity / regulation of chloride transport / Reversible hydration of carbon dioxide / angiotensin-activated signaling pathway / positive regulation of synaptic transmission, GABAergic / regulation of intracellular pH / morphogenesis of an epithelium / carbonic anhydrase / carbonate dehydratase activity / carbon dioxide transport / Erythrocytes take up oxygen and release carbon dioxide / Erythrocytes take up carbon dioxide and release oxygen / neuron cellular homeostasis / one-carbon metabolic process / apical part of cell / myelin sheath / extracellular exosome / zinc ion binding / plasma membrane / cytosol / cytoplasm Similarity search - Function | |||||||||
Biological species | Homo sapiens (human) | |||||||||
Method | X-RAY DIFFRACTION / Resolution: 2 Å | |||||||||
Authors | Eriksson, A.E. / Jones, T.A. / Liljas, A. | |||||||||
Citation | Journal: Proteins / Year: 1988 Title: Refined structure of human carbonic anhydrase II at 2.0 A resolution. Authors: Eriksson, A.E. / Jones, T.A. / Liljas, A. #1: Journal: Proteins / Year: 1988 Title: Crystallographic Studies of Inhibitor Binding Sites in Human Carbonic Anhydrase II. A Pentacoordinated Binding of the Scn-Ion to the Zinc at High Ph Authors: Eriksson, A.E. / Kylsten, P.M. / Jones, T.A. / Liljas, A. #2: Journal: Isozymes-Molecular Structure / Year: 1975 Title: Structural Relationship of Human Erythrocyte Carbonic Anhydrase Isozymes B and C Authors: Notstrand, B. / Vaara, I. / Kannan, K.K. #3: Journal: Cold Spring Harbor Symp.Quant.Biol. / Year: 1972 Title: Crystal Structure of Human Erythrocyte Carbonic Anhydrase C. Vi. The Three-Dimensional Structure at High Resolution in Relation to Other Mammalian Carbonic Anhydrases Authors: Kannan, K.K. / Liljas, A. / Waara, I. / Bergsten, P.-C. / Lovgren, S. / Strandberg, B. / Bengtsson, U. / Carlbom, U. / Fridborg, K. / Jarup, L. / Petef, M. #4: Journal: Nature New Biol. / Year: 1972 Title: Crystal Structure of Human Carbonic Anhydrase C Authors: Liljas, A. / Kannan, K.K. / Bergsten, P.-C. / Waara, I. / Fridborg, K. / Strandberg, B. / Carlbom, U. / Jarup, L. / Lovgren, S. / Petef, M. | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1ca2.cif.gz | 67.6 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1ca2.ent.gz | 48.9 KB | Display | PDB format |
PDBx/mmJSON format | 1ca2.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ca/1ca2 ftp://data.pdbj.org/pub/pdb/validation_reports/ca/1ca2 | 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: RESIDUES 30 AND 202 ARE CIS-PROLINES. / 2: SEE REMARK 5. |
-Components
#1: Protein | Mass: 29157.863 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / References: UniProt: P00918, carbonic anhydrase |
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#2: Chemical | ChemComp-ZN / |
#3: Water | ChemComp-HOH / |
Compound details | SECONDARY STRUCTURE ELEMENTS WERE DEFINED USING THE PROGRAM *DSSP* (W. KABSCH, C. SANDER, ...SECONDARY STRUCTURE ELEMENTS WERE DEFINED USING THE PROGRAM *DSSP* (W. KABSCH, C. SANDER, BIOPOLYMER |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION |
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-Sample preparation
Crystal | Density Matthews: 2.16 Å3/Da / Density % sol: 42.94 % |
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Crystal grow | *PLUS Method: other / Details: Liljas, A., (1972) Nature New Biol., 235, 131. |
-Data collection
Radiation | Scattering type: x-ray |
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Radiation wavelength | Relative weight: 1 |
Reflection | *PLUS Highest resolution: 2 Å |
-Processing
Software | Name: PROLSQ / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Refinement | Rfactor all: 0.173 / Highest resolution: 2 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Highest resolution: 2 Å
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Refine LS restraints |
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Software | *PLUS Name: PROLSQ / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Lowest resolution: 7 Å / Rfactor all: 0.173 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS |