Experiment: 2ECU

Crystal structure of flavin reductase component (HpaC) of 4-hydroxyphenylacetate 3-monooxygenase

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		Se-derivatazed HpaC MAD

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	20% PEG 1000, 10% PEG 8000, 10% glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.587	α = 90
b = 43.69	β = 92.88
c = 74.715	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	IMAGE PLATE	RIGAKU RAXIS V	mirrors	2001-04-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL45XU	1.02	SPring-8	BL45XU

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	1.3	41.53	94.6	0.062	19.9	2.6		62285			9.649

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	1.3	1.35	83.3		0.195	8.24	2.2	5450

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	Se-derivatazed HpaC MAD	1.3	41.53	62277	59138	3139		0.197	0.1986	0.216	0.1945	RANDOM	11.4

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]
-1.55		-1.66	0.89		0.67

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	25.9
c_angle_deg	1.3
c_improper_angle_d	0.9
c_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2260
Nucleic Acid Atoms
Solvent Atoms	400
Heterogen Atoms	53

Software

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