Experiment: 1KJ8

Crystal Structure of PurT-Encoded Glycinamide Ribonucleotide Transformylase in Complex with Mg-ATP and GAR

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1EYZ	PDB ENTRY 1EYZ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	batch	6.7	277	PEG 5000, NaCl, MgCl2, MOPS, ATP, GAR, pH 6.7, batch at 277K

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.1	α = 90
b = 179.3	β = 90
c = 75.8	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	AREA DETECTOR	SIEMENS HI-STAR	goebel mirrors	2000-06-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.5418

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	1.6	30	97	0.044	18.9	3.1	108032	108032

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)
	1.6	1.67	92		0.212	3.4	2	12764

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB ENTRY 1EYZ	1.6	30	108032	108032	10802	97	0.182	0.182	0.181	0.228	RANDOM

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]

RMS Deviations
Key	Refinement Restraint Deviation
t_angle_deg	2.19
t_bond_d	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5917
Nucleic Acid Atoms
Solvent Atoms	846
Heterogen Atoms	133

Software

Software
Software Name	Purpose
TNT	refinement
FRAMBO	data collection
SAINT	data scaling
TNT	phasing