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139555
Biological Macromolecular Structures Enabling Breakthroughs in Research and Education
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Structure Summary
3D View
Annotations
Sequence
Sequence Similarity
Structure Similarity
Experiment
1IA4
Candida albicans dihydrofolate reductase complex in which the dihydronicotinamide moiety of dihydro-nicotinamide-adenine-dinucleotide phosphate (NADPH) is displaced by 5-{[4-(4-MORPHOLINYL)PHENYL]SULFANYL}-2,4-QUINAZOLINEDIAMIN (GW2021)
Display Files
FASTA Sequence
PDB File
PDB File (Header)
mmCIF File
mmCIF File (Header)
PDBML/XML File
PDBML/XML File (Header)
Download Files
FASTA Sequence
PDB File (Text)
PDB File (gz)
PDBx/mmCIF File
PDBx/mmCIF File (gz)
PDBML/XML File
PDBML/XML File (gz)
Biological Assembly 1 (gz) (A)
Biological Assembly 2 (gz) (A)
X-RAY DIFFRACTION Experimental Data & Validation
X-ray Experimental Help
Crystallization
Crystalization Experiments
Method
Vapor Diffusion Hanging Drop
pH
6.5
Temperature
277.0
Details
DIHYDRO-NICOTINAMIDE-ADENINE- DINUCLEOTIDE PHOSPHATE (NADPH), 5-{[4-(4-MORPHOLINYL) PHENYL]SULFANYL}-2,4-QUINAZOLINEDIAMINE (GW2021), PEG-3350, POTASSIUM 4-MORPHILINEETHANESULFONIC ACID, DITHIOTHREITOL A THREE-FOLD EXCESS OF GW2021 AND THREE-FOLD EXCESS OF NADPH WAS ADDED TO THE C. ALBICANS DHFR SOLUTION AND LET STAND 277K OVERNIGHT. 17-20 MG/ML C. ALBICANS DHFR IN 50 UM GW995, 50 UM NADPH, 20 MM KMES, 1 MM DTT, PH 6.5 WAS MIXED WITH AN EQUAL PART OF 26 - 34% PEG-3350, THE RESERVOIR SOLUTION. , VAPOR DIFFUSION, HANGING DROP
Crystal Data
Unit Cell
Length (Å)
Angle (°)
a = 77.05
α = 90
b = 67.09
β = 93.43
c = 38.54
γ = 90
Symmetry
Space Group
P 1 21 1
Diffraction
Diffraction Experiment
ID #
Data Collection Temperature
1
293
Diffraction Detector
Detector
Diffraction Type
Details
Collection Date
AREA DETECTOR
XENTRONICS
Huber graphite monochromator
1989-08-11
Diffraction Radiation
Monochromator
Protocol
Huber graphite monochromator
SINGLE WAVELENGTH
Diffraction Detector Source
Source
Type
Wavelength List
Synchrotron Site
Beamline
ROTATING ANODE
ELLIOTT GX-21
--
--
--
Data Collection
Overall
Resolution (High)
Resolution (Low)
Percent Possible (Observed)
R Merge I (Observed)
R Sym I (Observed)
Net I Over Average Sigma (I)
Redundancy
Number Reflections (All)
Number Reflections (Observed)
Observed Criterion Sigma (F)
Observed Criterion Sigma (I)
B (Isotropic) From Wilson Plot
1.85
25
97.6
0.0739
0.0739
--
3.58
117195
32740
-3.0
0.0
32.64
High Resolution Shell
Resolution (High)
Resolution (Low)
Percent Possible (All)
R Merge I (Observed)
R-Sym I (Observed)
Mean I Over Sigma (Observed)
Redundancy
Number Unique Reflections (All)
1.85
1.96
91.1
0.2926
0.2926
1.3
1.98
5054
Refinement
Statistics
Structure Solution Method
Refinement High Resolution
Refinement Low Resolution
Cut-off Sigma (I)
Cut-off Sigma (F)
Number of Reflections (All)
Number of Reflections (Observed)
Number of Reflections (R-Free)
Percent Reflections (Observed)
R-Factor (All)
R-Factor (Observed)
R-Work
R-Free
R-Free Selection Details
DIRECT REPLACEMENT
1.85
10.0
0.0
2.0
32740
26626
--
97.6
0.159
0.159
0.159
--
--
High Resolution Shell
Refinement method
Shell Resolution (High)
Shell Resolution (Low)
# of Reflections (Observed)
# of Reflections (R-Free)
# of Reflections (R-Work)
R-Factor (R-Work)
R-Factor (R-Free)
R-Factor (R-Free Error)
Percent Reflections (Observed)
X Ray Diffraction
1.85
1.98
3026
--
--
0.208
--
--
--
X Ray Diffraction
1.98
2.14
4131
--
--
0.186
--
--
--
X Ray Diffraction
2.14
2.36
4527
--
--
0.169
--
--
--
X Ray Diffraction
2.36
2.7
4818
--
--
0.166
--
--
--
X Ray Diffraction
2.7
3.4
5091
--
--
0.149
--
--
--
X Ray Diffraction
3.4
10.0
5033
--
--
0.145
--
--
--
Temperature Factor Modeling
Temperature Factor
Value
Isotropic Thermal Model
Konnert, J.H. & Hendrickson, W.A. (1980) Acta Crystallogr. A A36, 344.
RMS Deviations
Key
Refinement Restraint Deviation
p_mcbond_it
4.437
p_mcangle_it
5.223
p_bond_d
0.021
p_scangle_it
7.048
p_transverse_tor
29.9
p_xyhbond_nbd
0.15
p_angle_d
0.035
p_plane_restr
0.02
p_multtor_nbd
0.15
p_singtor_nbd
0.17
p_staggered_tor
14.9
p_scbond_it
5.613
p_chiral_restr
0.258
p_planar_d
0.041
p_planar_tor
3.9
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms
Numbers
Protein Atoms
3180
Nucleic Acid Atoms
0
Heterogen Atoms
148
Solvent Atoms
331
Software
Software
Software Name
Purpose
X-GEN
data reduction
FRODO
model building
PROFFT
refinement
X-GEN
data scaling