3I95

Crystal structure of E76Q mutant PcyA-biliverdin complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	1.7M ammonium sulfate, 2% PEG 400, 0.1M HEPES (pH 7.0), vapor diffusion, hanging drop, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.57	52.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.681	α = 90
b = 95.701	β = 90
c = 42.727	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	RIGAKU JUPITER 210		2009-02-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL38B1	1.0000	SPring-8	BL38B1

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	1.4	17.98	99.4	0.055		6.7		57594

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)
	1.4	1.45	98.4		0.295		6

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	DIFFERENCE FOURIER	THROUGHOUT	PDB ENTRY 2D1E	1.4	17.98	57590	2929	99.47	0.176	0.175	0.192	RANDOM	16.171

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
r_dihedral_angle_2_deg	35.703
r_dihedral_angle_4_deg	16.342
r_dihedral_angle_3_deg	12.467
r_dihedral_angle_1_deg	5.919
r_scangle_it	2.486
r_angle_refined_deg	1.683
r_scbond_it	1.66
r_mcangle_it	1.12
r_mcbond_it	0.677
r_nbtor_refined	0.303
r_nbd_refined	0.202
r_symmetry_vdw_refined	0.201
r_symmetry_hbond_refined	0.122
r_xyhbond_nbd_refined	0.106
r_chiral_restr	0.078
r_bond_refined_d	0.008
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2072
Nucleic Acid Atoms
Solvent Atoms	334
Heterogen Atoms	44

Software

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