3M2A

Crystallographic and Single Crystal Spectral Analysis of the Peroxidase Ferryl Intermediate

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6	277.2	10uL (350-400uM protein), 22% MPD, 50mM tris phoshate buffer pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 277.2K

Crystal Properties
Matthews coefficient	Solvent content
2.65	59.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 107.069	α = 90
b = 74.755	β = 90
c = 50.904	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	65	CCD	MARMOSAIC 325 mm CCD		2009-11-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2		SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.4	50	95.6	0.093	0.093	12.6	3.1		77754

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.4	1.42	95.2		0.52	0.52	2.3	3.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	AB INITIO	FREE R	NONE	1.4	50	73864		91	0.1158	0.1158		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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
7	2206.92	2964

RMS Deviations
Key	Refinement Restraint Deviation
s_approx_iso_adps	0.104
s_zero_chiral_vol	0.067
s_non_zero_chiral_vol	0.064
s_similar_adp_cmpnt	0.047
s_anti_bump_dis_restr	0.044
s_angle_d	0.031
s_from_restr_planes	0.0286
s_bond_d	0.02
s_rigid_bond_adp_cmpnt	0.004
s_similar_dist

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2356
Nucleic Acid Atoms
Solvent Atoms	630
Heterogen Atoms	48

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SHELX	model building
SHELXL-97	refinement
HKL-2000	data scaling
SHELX	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.