2GHE

Conformational mobility in the active site of a heme peroxidase

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.3	273	0.1 M HEPES, pH 8.3, 2.25 M Lithium Sulphate, VAPOR DIFFUSION, SITTING DROP, temperature 273K

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.003	α = 90
b = 82.003	β = 90
c = 75.012	γ = 90

Symmetry
Space Group	P 42 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	100	CCD	ADSC QUANTUM 4		2006-01-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4

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	1.75	28.99	99.8	0.059	30.6	13.7		26381

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.84	100		11.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	1.75	27.05	26381	25006	1332	99.78	0.18167	0.17972	0.22034	RANDOM	20.103

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]
-0.03			-0.03		0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.121
r_dihedral_angle_4_deg	20.913
r_dihedral_angle_3_deg	13.471
r_dihedral_angle_1_deg	5.086
r_sphericity_free	3.829
r_scangle_it	3.508
r_sphericity_bonded	2.898
r_scbond_it	2.648
r_rigid_bond_restr	2.118
r_mcangle_it	1.504
r_angle_refined_deg	1.188
r_mcbond_it	0.886
r_nbtor_refined	0.308
r_xyhbond_nbd_refined	0.305
r_symmetry_vdw_refined	0.239
r_nbd_refined	0.21
r_symmetry_hbond_refined	0.19
r_chiral_restr	0.079
r_bond_refined_d	0.011
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1902
Nucleic Acid Atoms
Solvent Atoms	223
Heterogen Atoms	44

Software

Software
Software Name	Purpose
ADSC	data collection
MOSFLM	data reduction
REFMAC	refinement