3V6Q

Crystal structure of the complex of bovine lactoperoxidase with Carbon monoxide at 2.0 A resolution

X-RAY DIFFRACTION

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, PEG3350, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.39	48.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.3	α = 90
b = 80.004	β = 103.02
c = 76.551	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	77	CCD	MARRESEARCH	MIRROR	2011-11-05	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	2	44.13	99.9	0.05	21		42787	42787

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	2.03	100		0.361	2.2

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	3GC1	2	44.13	42787	40558	2158	99.62	0.19544	0.19422	0.19078	0.24818	RANDOM	36.272

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]
0.61		3.28	-2.03		2.9

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.649
r_dihedral_angle_4_deg	19.268
r_dihedral_angle_3_deg	18.713
r_dihedral_angle_1_deg	7.811
r_scangle_it	4.422
r_scbond_it	3.486
r_angle_refined_deg	2.14
r_mcangle_it	2
r_mcbond_it	1.186
r_chiral_restr	0.151

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.649
r_dihedral_angle_4_deg	19.268
r_dihedral_angle_3_deg	18.713
r_dihedral_angle_1_deg	7.811
r_scangle_it	4.422
r_scbond_it	3.486
r_angle_refined_deg	2.14
r_mcangle_it	2
r_mcbond_it	1.186
r_chiral_restr	0.151
r_bond_refined_d	0.021
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4774
Nucleic Acid Atoms
Solvent Atoms	512
Heterogen Atoms	131

Software

Software
Software Name	Purpose
HKL-2000	data collection
AMoRE	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.