3EXB

Crystal structure of Cytochrome C Peroxidase with a Proposed Electron Pathway Excised in a Complex with a Peptide Wire

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6	282	200 mM KPi, 25% MPD, pH 6.0, VAPOR DIFFUSION, temperature 282K

Crystal Properties
Matthews coefficient	Solvent content
3.05	59.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 107.029	α = 90
b = 75.07	β = 90
c = 50.79	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	100	IMAGE PLATE	MARRESEARCH		2002-12-15		SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-1	1.08	SSRL	BL9-1

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	1.6	23.47	99.2	0.074	0.074	18.4	3.4	54795	54328		2	26.9

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	1.6	1.64	96.3		0.302	0.302	2.5	3.2	3857

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1KXN	1.6	10	54758	54073	2739	99.2	0.169	0.168	0.19	RANDOM	17.819

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]
-0.26			0.29		-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.26
r_dihedral_angle_4_deg	26.474
r_dihedral_angle_3_deg	11.842
r_dihedral_angle_1_deg	5.475
r_scangle_it	2.697
r_scbond_it	1.762
r_angle_refined_deg	1.344
r_mcangle_it	0.942
r_mcbond_it	0.581
r_chiral_restr	0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.26
r_dihedral_angle_4_deg	26.474
r_dihedral_angle_3_deg	11.842
r_dihedral_angle_1_deg	5.475
r_scangle_it	2.697
r_scbond_it	1.762
r_angle_refined_deg	1.344
r_mcangle_it	0.942
r_mcbond_it	0.581
r_chiral_restr	0.09
r_bond_refined_d	0.012
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2356
Nucleic Acid Atoms
Solvent Atoms	386
Heterogen Atoms	43

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection
AMoRE	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.