7DLQ

CRYSTAL STRUCTURE OF THE COMPLEX OF LACTOPEROXIDASE WITH HYDROGEN PEROXIDE AT 1.77A RESOLUTION

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3GC1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.8	298	Ammonium Iodide, PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 6.8

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.231	α = 90
b = 79.837	β = 102.67
c = 77.548	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	MARRESEARCH	mirror	2010-05-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.97	ESRF	BM14

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.77	34.57	98.9	0.06	6.9	4.2		62590

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.77	1.8	96		0.42	2.9	3.1

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	3GC1	1.773	34.569	61488	3107	98.177	0.189	0.1869	0.2257	31.73

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]
-0.005		0.005	-0.02		0.021

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.7
r_dihedral_angle_4_deg	15.467
r_dihedral_angle_3_deg	14.179
r_lrange_it	8.556
r_lrange_other	8.555
r_dihedral_angle_1_deg	6.792
r_mcangle_it	5.423
r_mcangle_other	5.423
r_scangle_it	4.83
r_scangle_other	4.83
r_mcbond_it	3.43
r_mcbond_other	3.406
r_scbond_it	3.166
r_scbond_other	3.165
r_chiral_restr_other	2.965
r_angle_other_deg	2.678
r_angle_refined_deg	1.922
r_xyhbond_nbd_other	0.677
r_nbd_other	0.395
r_symmetry_xyhbond_nbd_refined	0.363
r_symmetry_nbd_refined	0.354
r_symmetry_nbd_other	0.225
r_nbd_refined	0.22
r_xyhbond_nbd_refined	0.207
r_nbtor_refined	0.174
r_chiral_restr	0.125
r_metal_ion_refined	0.116
r_symmetry_nbtor_other	0.084
r_bond_other_d	0.034
r_symmetry_xyhbond_nbd_other	0.027
r_gen_planes_other	0.017
r_bond_refined_d	0.013
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4813
Nucleic Acid Atoms
Solvent Atoms	657
Heterogen Atoms	115

Software

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