2BH5

X-ray structure of the M100K variant of ferric cyt c-550 from Paracoccus versutus determined at 295 K.

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		9		3.2 M AMMONIUM SULFATE, 0.1 M BICINE PH 9

Crystal Properties
Matthews coefficient	Solvent content
2	38.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 31.457	α = 90
b = 43.011	β = 90
c = 87.954	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	295	IMAGE PLATE	MAR scanner 345 mm plate	MIRRORS	2003-08-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR78

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	1.95	43.85	99.3	0.12	13.6	6.2		9207		2

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	1.95	1.99	92.5		0.39	2.8	5

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1COT	1.95	43.85	8711	434	99.3	0.187	0.185	0.233	RANDOM	33.58

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]
1.26			1.52		-2.78

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.57
r_dihedral_angle_4_deg	16.249
r_dihedral_angle_3_deg	16.012
r_dihedral_angle_1_deg	5.07
r_scangle_it	2.558
r_mcangle_it	2.491
r_mcbond_it	2.14
r_scbond_it	1.835
r_angle_refined_deg	1.153
r_angle_other_deg	0.663
r_nbd_refined	0.277
r_symmetry_hbond_refined	0.205
r_nbtor_refined	0.185
r_nbd_other	0.183
r_xyhbond_nbd_refined	0.155
r_symmetry_vdw_refined	0.136
r_nbtor_other	0.091
r_symmetry_vdw_other	0.083
r_chiral_restr	0.066
r_bond_refined_d	0.009
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	914
Nucleic Acid Atoms
Solvent Atoms	32
Heterogen Atoms	43

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
MOLREP	phasing