2B7S

R381K mutant of flavocytochrome c3

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1QJD

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	277	0.1M TrisHCl, 80mM NaCl, 10mM Na fumarate, 15% PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.61	52.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.228	α = 90
b = 91.362	β = 91.26
c = 78.193	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 4		2001-06-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.2	1.488	SRS	PX14.2

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	2.1	35	99.2	0.115	12.6		35764	35478			15.504

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.1	2.14	98.3		4.7		1765

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	1QJD	2.12	35	33702	1763	98.53	0.14678	0.14412	0.19671	RANDOM	15.472

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]
0.16		-0.03	0.74		-0.9

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.906
r_dihedral_angle_4_deg	17.115
r_dihedral_angle_3_deg	14.075
r_dihedral_angle_1_deg	6.579
r_scangle_it	3.524
r_scbond_it	2.325
r_angle_refined_deg	1.514
r_mcangle_it	1.294
r_mcbond_it	0.716
r_nbtor_refined	0.294
r_symmetry_vdw_refined	0.283
r_nbd_refined	0.236
r_xyhbond_nbd_refined	0.167
r_symmetry_hbond_refined	0.167
r_chiral_restr	0.116
r_metal_ion_refined	0.061
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4185
Nucleic Acid Atoms
Solvent Atoms	773
Heterogen Atoms	234

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing