2H9K

Structure of Hen egg white lysozyme soaked with Ni-cyclam

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	277	Acetate buffer, NaCl, pH 4.5, VAPOR DIFFUSION, temperature 277K, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K

Crystal Properties
Matthews coefficient	Solvent content
1.98	37.84

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.324	α = 90
b = 77.324	β = 90
c = 37.948	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100					M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.1	1.488	SRS	PX14.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.75	54.64	100				11516

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.75	54.64	12132	11516	578	99.96	0.181	0.18378	0.18089	0.24591	RANDOM	20.845

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]
-0.21			-0.21		0.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.66
r_dihedral_angle_4_deg	21.854
r_dihedral_angle_3_deg	14.717
r_dihedral_angle_1_deg	6.383
r_scangle_it	4.14
r_scbond_it	2.736
r_angle_refined_deg	1.881
r_mcangle_it	1.802
r_mcbond_it	1.08
r_nbtor_refined	0.294
r_nbd_refined	0.233
r_symmetry_hbond_refined	0.191
r_xyhbond_nbd_refined	0.187
r_symmetry_vdw_refined	0.168
r_chiral_restr	0.12
r_metal_ion_refined	0.076
r_bond_refined_d	0.019
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1028
Nucleic Acid Atoms
Solvent Atoms	175
Heterogen Atoms	33

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
MOSFLM	data reduction
MOLREP	phasing