1BES

INTERACTION BETWEEN PROXIMAL AND DISTALS REGIONS OF CYTOCHROME C PEROXIDASE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6		30% MPD, 20 MM TRIS/MES PH 6.0, 150 MM NACL

Crystal Properties
Matthews coefficient	Solvent content
2.66	54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.295	α = 90
b = 74.256	β = 90
c = 45.107	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	273				1997-11-19	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2		90	0.065				21914

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		2	20	2	21970		90

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
t_dihedral_angle_d	17.46
t_it	4.36
t_angle_deg	2.317
t_nbd	0.021
t_bond_d	0.009
t_trig_c_planes	0.009
t_gen_planes	0.007
t_incorr_chiral_ct
t_pseud_angle

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2324
Nucleic Acid Atoms
Solvent Atoms	169
Heterogen Atoms	56

Software

Software
Software Name	Purpose
TNT	refinement