Experiment: 2ICV

Kinetic and Crystallographic Studies of a Redesigned Manganese-Binding Site in Cytochrome c Peroxidase

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1BES	PDB Entry: 1BES

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	277	1.0 M hexanediol in 0.1 M sodium acetate trihydrate, VAPOR DIFFUSION, HANGING DROP, temperature 277K, pH 4.6

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.958	α = 90
b = 52.477	β = 90
c = 136.25	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	95	CCD	ADSC QUANTUM 210		2003-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X12C	1.1	NSLS	X12C

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	1.6	30	83.1	0.048		6.1	35391	34426

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.6	30	83.1		0.302		4.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB Entry: 1BES	1.6	10	2	4	31396	29839	1557		0.223	0.223	0.2171	0.257	0.249

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
s_angle_d	1.913
s_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2348
Nucleic Acid Atoms
Solvent Atoms	97
Heterogen Atoms	44

Software

Software
Software Name	Purpose
ADSC	data collection
AMoRE	phasing
SHELXL-97	refinement
HKL-2000	data reduction
SCALEPACK	data scaling