Experiment: 6K8C

Crystal structure of Helicobacter pylori folylpolyglutamate synthetase

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	295	PEG 3350, ammonium citrate

Crystal Properties
Matthews coefficient	Solvent content
2.96	58.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 131.454	α = 90
b = 61.637	β = 115.962
c = 69.743	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	100	CCD	ADSC QUANTUM 315		2013-09-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PAL/PLS BEAMLINE 5C (4A)	0.97951	PAL/PLS	5C (4A)

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	1.95	50	98.9	0.059	0.064	0.024	26.5	7.4		36178			33.8943026253

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.95	1.98	98.9		0.431	0.463	0.169	0.962	4.24	7.4

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-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1.95174964908	29.9363061017	1.33481014704	36171	1808	98.7631061599	0.185993051755	0.18422746775	0.219420757096	0.2457	41.2176693653

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
f_dihedral_angle_d	9.74040026075
f_angle_d	0.639575644596
f_chiral_restr	0.0440257098043
f_plane_restr	0.00376088054472
f_bond_d	0.00363261577191

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3029
Nucleic Acid Atoms
Solvent Atoms	314
Heterogen Atoms	19

Software

Software
Software Name	Purpose
PHENIX	refinement
ADSC	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing