+Open data
-Basic information
Entry | Database: PDB / ID: 1m23 | ||||||
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Title | STRUCTURE OF THE DIMERIZED CYTOPLASMIC DOMAIN OF P23 IN SOLUTION | ||||||
Components | PROTEIN (P23) | ||||||
Keywords | MEMBRANE PROTEIN / TRANSPORT / PROTEIN TRANSPORT / TRANSMEMBRANE / GLYCOPROTEIN / VESICULAR TRANSPORT / COP / COATOMER / GOLGI STACK / SOLUTION STRUCTURE / P23 FAMILY | ||||||
Function / homology | Function and homology information COPI-coated vesicle budding / protein localization to ERGIC / cytosol to ERGIC protein transport / regulation of amyloid-beta formation / COPI-coated vesicle / gamma-secretase complex / positive regulation of interleukin-1 production / trans-Golgi network transport vesicle / retrograde vesicle-mediated transport, Golgi to endoplasmic reticulum / transport vesicle membrane ...COPI-coated vesicle budding / protein localization to ERGIC / cytosol to ERGIC protein transport / regulation of amyloid-beta formation / COPI-coated vesicle / gamma-secretase complex / positive regulation of interleukin-1 production / trans-Golgi network transport vesicle / retrograde vesicle-mediated transport, Golgi to endoplasmic reticulum / transport vesicle membrane / protein transmembrane transporter activity / endoplasmic reticulum-Golgi intermediate compartment / endoplasmic reticulum-Golgi intermediate compartment membrane / secretory granule membrane / positive regulation of protein secretion / melanosome / Golgi membrane / endoplasmic reticulum membrane / plasma membrane Similarity search - Function | ||||||
Method | SOLUTION NMR / SIMULATED ANNEALING, RESTRAINED MOLECULAR DYNAMICS | ||||||
Authors | Weidler, M. / Reinhard, C. / Wieland, F. / Roesch, P. | ||||||
Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 1999 Title: Receptor-induced polymerization of coatomer. Authors: Reinhard, C. / Harter, C. / Bremser, M. / Brugger, B. / Sohn, K. / Helms, J.B. / Wieland, F. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1m23.cif.gz | 48.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1m23.ent.gz | 35.2 KB | Display | PDB format |
PDBx/mmJSON format | 1m23.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/m2/1m23 ftp://data.pdbj.org/pub/pdb/validation_reports/m2/1m23 | HTTPS FTP |
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-Related structure data
Similar structure data |
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-Links
-Assembly
Deposited unit |
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1 |
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NMR ensembles |
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-Components
#1: Protein/peptide | Mass: 1717.129 Da / Num. of mol.: 1 / Fragment: CYTOPLASMIC DOMAIN / Source method: obtained synthetically Details: THE PROTEIN WAS CHEMICALLY SYNTHESIZED FROM THE GOLGI STACK OF THE ER (ENDOPLASMIC RETICULUM) OF NEW ZEALAND WHITE RABBIT (ORYCTOLAGUS CUNICULUS) LIVER CELLS. References: UniProt: Q28735 |
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-Experimental details
-Experiment
Experiment | Method: SOLUTION NMR | ||||||||||||||||
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NMR experiment |
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-Sample preparation
Sample conditions | Ionic strength: 650 mM / pH: 3.6 / Pressure: 10E+5 PA atm / Temperature: 280 K |
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Crystal grow | *PLUS Method: other / Details: NMR |
-NMR measurement
NMR spectrometer | Type: Bruker DRX 600 / Manufacturer: Bruker / Model: DRX 600 / Field strength: 600 MHz |
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-Processing
NMR software |
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Refinement | Method: SIMULATED ANNEALING, RESTRAINED MOLECULAR DYNAMICS / Software ordinal: 1 Details: STRATEGY USED FOR NMR STRUCTURE CALCULATION: EXPERIMENTAL RESTRAINTS FOR THE STRUCTURE CALCULATIONS INITIALLY, FREQUENCY DEGENERATED NOESY CROSS-PEAKS WERE INCORPORATED INTO THE STRUCTURE ...Details: STRATEGY USED FOR NMR STRUCTURE CALCULATION: EXPERIMENTAL RESTRAINTS FOR THE STRUCTURE CALCULATIONS INITIALLY, FREQUENCY DEGENERATED NOESY CROSS-PEAKS WERE INCORPORATED INTO THE STRUCTURE CALCULATION AS 'AMBIGUOUS'. SUBSEQUENTLY, THE PROTON-PROTON DISTANCES IN THE CALCULATED STRUCTURES WERE DETERMINED USING THE PROGRAM 'BACKCALC_DB 2.0' (SOFTWARE SYMBIOSE, INC., BAYREUTH, GERMANY) AND COMPARED WITH THE COMBINATIONS OF DISTANCES POSSIBLE FOR EACH FREQUENCY DEGENERATED NOESY CROSS-PEAK. IF ONLY ONE OF THE POSSIBLE DISTANCE COMBINATIONS WAS FULFILLED IN MORE THAN 50% OF THE CALCULATED STRUCTURES, THE DISTANCE INFORMATION WAS USED IN FURTHER STRUCTURE CALCULATIONS. THIS PROCEDURE WAS REPEATED SEVERAL TIMES, LEADING TO A TOTAL OF 223 INTRARESIDUAL AND 249 INTERRESIDUAL NOE CONNECTIVITIES. STRUCTURE CALCULATIONS STRUCTURES CALCULATIONS WERE PERFORMED USING A MODIFIED AB INITIO SIMULATED ANNEALING PROTOCOL (NILGES, UNPUBLISHED) WITH X-PLOR V3.840. THE CALCULATION STRATEGY INCLUDES FLOATING ASSIGNMENT OF PROCHIRAL GROUPS AND A REDUCED PRESENTATION FOR NON-BONDED INTERACTIONS FOR PART OF THE CALCULATION TO INCREASE EFFICIENCY. A MORE DETAILED DESCRIPTION OF THE PROTOCOL IS GIVEN IN KHARRAT ET AL. (EMBO J. 14 (1995) 3572-84). STRUCTURE PARAMETERS WERE EXTRACTED FROM THE STANDARD FILES PARALLHDG.PRO AND TOPALLHDG.PRO OF X-PLOR V3.840. IN EACH ROUND OF THE STRUCTURE CALCULATION 100 STRUCTURES WERE CALCULATED. OF THE 100 STRUCTURES RESULTING FROM THE FINAL ROUND OF STRUCTURE CALCULATION, THOSE 30 STRUCTURES THAT SHOWED THE LOWEST TOTAL ENERGY VALUES WERE SELECTED FOR FURTHER CHARACTERIZATION. | ||||||||||||||||
NMR ensemble | Conformer selection criteria: ENERGY, AGREEMENT WITH EXPERIMENTAL DATA Conformers calculated total number: 30 / Conformers submitted total number: 10 |