3LB4

Two-site competitive inhibition in dehaloperoxidase-hemoglobin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.9	277	0.2 M AMMONIUM SULFATE, 32% PEG 4000, PH 5.9, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.783	α = 90
b = 67.495	β = 90
c = 67.836	γ = 90

Symmetry
Space Group	P 21 21 21

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	MARMOSAIC 300 mm CCD		2008-11-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.0000	APS	22-ID

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	1.56	35	94	0.061	10.88	3.1	37389	35486		2	10.5

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)
	1.56	1.6	95.3		0.383	3.91	3.3	2740

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2QFK	1.56	35	2	37389	35486	1903	94	0.197	0.195	0.236	RANDOM	17.18

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]
1.39			-0.84		-0.56

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.402
r_dihedral_angle_4_deg	23.488
r_dihedral_angle_3_deg	16.578
r_dihedral_angle_1_deg	4.198
r_scangle_it	2.741
r_scbond_it	1.85
r_angle_refined_deg	1.384
r_mcangle_it	1.236
r_mcbond_it	0.781
r_nbtor_refined	0.308
r_nbd_refined	0.212
r_symmetry_vdw_refined	0.182
r_xyhbond_nbd_refined	0.156
r_symmetry_hbond_refined	0.156
r_chiral_restr	0.101
r_bond_refined_d	0.011
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2182
Nucleic Acid Atoms
Solvent Atoms	301
Heterogen Atoms	112

Software

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