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2CXG

CYCLODEXTRIN GLYCOSYLTRANSFERASE COMPLEXED TO THE INHIBITOR ACARBOSE

Replaces:  1CXG
Experimental procedure
Source typeROTATING ANODE
Source detailsELLIOTT GX-21
Temperature [K]293
Detector technologyDIFFRACTOMETER
Collection date1992-06
DetectorENRAF-NONIUS FAST
Spacegroup nameP 21 21 21
Unit cell lengths120.887, 111.903, 65.748
Unit cell angles90.00, 90.00, 90.00
Refinement procedure
Resolution8.000 - 2.500
R-factor0.187
Rwork0.182
R-free0.23000
Structure solution methodMOLECULAR REPLACEMENT
Starting model (for MR)1cdg
RMSD bond length0.004
RMSD bond angle1.147
Data reduction softwareBIOMOL
Data scaling softwareBIOMOL
Phasing softwareTNT
Refinement softwareTNT
Data quality characteristics
 OverallOuter shell
Low resolution limit [Å]29.0002.580
High resolution limit [Å]2.5002.500
Rmerge0.086
Number of reflections59552
Completeness [%]73.940.3
Redundancy2.42
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
1Vapor diffusion

*

5.5

*

PROTEIN WAS CRYSTALLIZED FROM OTHER LIQUOR CONTAINING 60% V/V METHYL-PENTANEDIOL (MPD) 100 MM SODIUM-HEPES PH 7.55 AND 0.5% W/V MALTOSE THEN SOAKED IN MOTHER LIQUOR WITH 0.1 % ACARBOSE AND 0.5 % MALTOSE FOR 5 DAYS
Crystallization Reagents in Literatures
IDcrystal IDsolutionreagent nameconcentration (unit)details
11dropprotein28.7 (mg/ml)
21dropammonium acetate50 (mM)
31dropalpha-cyclodextrin50 (mg/ml)
41reservoirMPD60 (%(v/v))
51reservoirsodium Hepes100 (mM)

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PDB entries from 2024-04-17

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