2GGN

Conformational mobility in the active site of a heme peroxidase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.3	273	2.4 M lithium sulphate, 0.1 M HEPES pH 8.3, VAPOR DIFFUSION, SITTING DROP, temperature 273K

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.672	α = 90
b = 81.672	β = 90
c = 75.508	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		2005-11-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.9998	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	1.35	28.88	99.9	0.097	17.8	10.7		56193			16.6

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	1.35	1.42	99.9		4

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	1.35	26.25	53286	53286	2854	99.25	0.19042	0.19042	0.18967	0.20466	RANDOM	16.459

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
r_dihedral_angle_2_deg	35.829
r_dihedral_angle_4_deg	20.372
r_dihedral_angle_3_deg	10.697
r_dihedral_angle_1_deg	4.929
r_scangle_it	2.718
r_sphericity_free	2.481
r_sphericity_bonded	2.296
r_scbond_it	1.762
r_mcangle_it	1.218
r_angle_refined_deg	1.086
r_rigid_bond_restr	0.991
r_mcbond_it	0.705
r_nbtor_refined	0.307
r_symmetry_vdw_refined	0.235
r_nbd_refined	0.201
r_xyhbond_nbd_refined	0.106
r_symmetry_hbond_refined	0.1
r_chiral_restr	0.074
r_bond_refined_d	0.007
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1890
Nucleic Acid Atoms
Solvent Atoms	265
Heterogen Atoms	54

Software

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