2BLA | pdb_00002bla

SP21 double mutant P. vivax Dihydrofolate reductase in complex with pyrimethamine

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				30%PEG4000, 100MM MES, PH 6.0, 10%GLYCEROL

Crystal Properties
Matthews coefficient	Solvent content
2.86	56.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 135.27	α = 90
b = 54.4	β = 108.13
c = 46.09	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110		RIGAKU R-AXIS IV	MIRRORS	2003-10-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.5	32.14	99.7	0.09	10.1	4.85		11057		2	22.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.5	2.59	99.7		0.38	3.8	4.88

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.5	6	2	11057	560	99.1	0.1939	0.1939	0.2	0.2818	0.19	RANDOM	47.3

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
7.86		-0.08	3.89		-11.75

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	23.4
c_scangle_it	9.88
c_scbond_it	8.66
c_mcangle_it	7.42
c_mcbond_it	5.82
c_angle_deg	1.3
c_improper_angle_d	0.95
c_bond_d	0.011
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1781
Nucleic Acid Atoms
Solvent Atoms	151
Heterogen Atoms	77

Software

Software
Software Name	Purpose
CNS	refinement
CrystalClear	data reduction
CrystalClear	data scaling
AMoRE	phasing