1CSX

REPLACEMENTS IN A CONSERVED LEUCINE CLUSTER IN THE HYDROPHOBIC HEME POCKET OF CYTOCHROME C

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
1.89	34.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.5	α = 90
b = 36.5	β = 90
c = 136.63	γ = 90

Symmetry
Space Group	P 43 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

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-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.9	6	2	4223		55.3	0.192			15.4

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
p_staggered_tor	21.5
p_orthonormal_tor	19.2
p_scangle_it	4.277
p_scbond_it	3.113
p_planar_tor	2.2
p_mcangle_it	1.817
p_mcbond_it	1.281
p_xhyhbond_nbd	0.228
p_singtor_nbd	0.216
p_multtor_nbd	0.195
p_chiral_restr	0.166
p_planar_d	0.048
p_angle_d	0.039
p_bond_d	0.019
p_plane_restr	0.014
p_angle_deg
p_hb_or_metal_coord
p_xyhbond_nbd
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	849
Nucleic Acid Atoms
Solvent Atoms	77
Heterogen Atoms	48

Software

Software
Software Name	Purpose
PROLSQ	refinement