2EFB

Crystal structure of the complex of goat lactoperoxidase with phosphate at 2.94 A resolution

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	298	0.1M AMMONIUM DIHYDROGEN PHOSPHATE, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.57	52.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.199	α = 79.93
b = 75.587	β = 77.86
c = 83.808	γ = 72.5

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	278	IMAGE PLATE	MARRESEARCH	Mirror	2006-09-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.5418

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	2.94	20	96	0.122	4		27189	27189

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	2.94	2.99	95.3		0.253	2

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-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2GJ1	2.94	20	27180	25814	1366	95.26	0.18441	0.18319	0.18023	0.21871	RANDOM	15.661

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]
0.41	1.11	-0.36	-0.31	0.51	-0.8

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.049
r_dihedral_angle_3_deg	18.33
r_dihedral_angle_4_deg	16.408
r_dihedral_angle_1_deg	6.262
r_scangle_it	3.008
r_scbond_it	1.662
r_angle_refined_deg	1.485
r_mcangle_it	1.316
r_mcbond_it	0.681
r_nbtor_refined	0.314
r_nbd_refined	0.235
r_symmetry_vdw_refined	0.201
r_xyhbond_nbd_refined	0.162
r_symmetry_hbond_refined	0.143
r_metal_ion_refined	0.105
r_chiral_restr	0.097
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
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	9508
Nucleic Acid Atoms
Solvent Atoms	359
Heterogen Atoms	420

Software

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