Mass: 18.015 Da / Num. of mol.: 711 / Source method: isolated from a natural source / Formula: H2O
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Details
Compound details
THE UNBOUND FORM OF THE INHIBITOR (CHAINS C,D) IS ACE-ARG-GLU-ARG-LYS-CHLOROMETHYLKETONE. UPON ...THE UNBOUND FORM OF THE INHIBITOR (CHAINS C,D) IS ACE-ARG-GLU-ARG-LYS-CHLOROMETHYLKETONE. UPON REACTION WITH PROTEIN IT FORMS TWO COVALENT BONDS: 1) A COVALENT BOND TO OG SER 385 FORMING A HEMIKETAL LYK AND 2) A COVALENT BOND TO NE2 OF HIS 213
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Experimental details
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Experiment
Experiment
Method: X-RAY DIFFRACTION / Number of used crystals: 1
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Sample preparation
Crystal
Density Matthews: 3.06 Å3/Da / Density % sol: 59.75 %
Crystal grow
Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7.4 Details: 2.4 M Ammonium Sulfate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Type: ADSC QUANTUM 315 / Detector: CCD / Date: Jun 28, 2006 Details: Bent conical Si-mirror (Rh coated) Bent Ge(111) monochromator
Radiation
Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelength
Wavelength: 0.9 Å / Relative weight: 1
Reflection
Redundancy: 14.2 % / Av σ(I) over netI: 15.1 / Number: 1517697 / Rmerge(I) obs: 0.061 / Χ2: 1.06 / D res high: 1.9 Å / D res low: 50 Å / Num. obs: 107215 / % possible obs: 96.7
Diffraction reflection shell
Highest resolution (Å)
Lowest resolution (Å)
% possible obs (%)
ID
Rmerge(I) obs
Chi squared
Redundancy
4.09
50
98.5
1
0.046
1.059
19.2
3.25
4.09
100
1
0.052
1.06
20.7
2.84
3.25
100
1
0.065
1.021
20.9
2.58
2.84
100
1
0.104
1.056
19.4
2.39
2.58
100
1
0.143
1.05
16.5
2.25
2.39
100
1
0.197
1.103
14.4
2.14
2.25
100
1
0.278
1.155
12
2.05
2.14
100
1
0.315
1.033
7.5
1.97
2.05
97.3
1
0.33
0.979
4
1.9
1.97
70.7
1
0.354
0.956
2.6
Reflection
Resolution: 1.9→50 Å / Num. obs: 107215 / % possible obs: 96.7 % / Redundancy: 14.2 % / Rmerge(I) obs: 0.061 / Net I/σ(I): 15.1
Reflection shell
Resolution (Å)
Redundancy (%)
Rmerge(I) obs
Diffraction-ID
% possible all
1.9-1.97
2.6
0.354
1
70.7
1.97-2.05
4
0.33
1
97.3
2.05-2.14
7.5
0.315
1
100
2.14-2.25
12
0.278
1
100
2.25-2.39
14.4
0.197
1
100
2.39-2.58
16.5
0.143
1
100
2.58-2.84
19.4
0.104
1
100
2.84-3.25
20.9
0.065
1
100
3.25-4.09
20.7
0.052
1
100
4.09-50
19.2
0.046
1
98.5
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Processing
Software
Name
Version
Classification
NB
DENZO
datareduction
SCALEPACK
datascaling
REFMAC
5.2.0019
refinement
PDB_EXTRACT
2
dataextraction
ADSC
QUANTUM
datacollection
HKL-2000
datareduction
Refinement
Method to determine structure: MOLECULAR REPLACEMENT Starting model: 1R64