2CA3

Sulfite dehydrogenase from Starkeya Novella r55m mutant

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2BLF	PDB ENTRY 2BLF

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.4		0.1M HEPES PH 7.4, 2.2M AMMONIUM SULFATE, 2% PEG200

Crystal Properties
Matthews coefficient	Solvent content
2.6	46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 97.654	α = 90
b = 93.321	β = 90
c = 56.035	γ = 90

Symmetry
Space Group	P 21 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	100	CCD	MARRESEARCH		2005-11-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX10.1		SRS	PX10.1

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	50	98.2	0.095	14.3	3.8		34463

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	2	2.07	89.1		0.29	3.8	2.7

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 (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2BLF	2	20	32619	1759	97.9	0.163	0.161	0.206	RANDOM	21.81

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]
-0.26			-0.93		1.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.377
r_dihedral_angle_4_deg	16.523
r_dihedral_angle_3_deg	12.637
r_dihedral_angle_1_deg	6.17
r_scangle_it	5.836
r_mcangle_it	4.571
r_scbond_it	4.557
r_mcbond_it	3.8
r_angle_refined_deg	1.395
r_symmetry_hbond_refined	0.408
r_nbtor_refined	0.305
r_nbd_refined	0.213
r_symmetry_vdw_refined	0.185
r_xyhbond_nbd_refined	0.16
r_chiral_restr	0.093
r_bond_refined_d	0.012
r_gen_planes_refined	0.005
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_refined
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_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	3452
Nucleic Acid Atoms
Solvent Atoms	354
Heterogen Atoms	79

Software

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