2NOO

Crystal Structure of Mutant NikA

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	hanging drop	5.5	293	PEG 4000, ammonium sulfate, sodium iodide, nickel chloride, pH 5.5, hanging drop, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.47	α = 90
b = 92.248	β = 90
c = 116.383	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	95	CCD	ADSC QUANTUM 315		2006-01-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	1.0	Photon Factory	BL-5A

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	1.65	50	95.9	0.054	8.5			54989

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)
	1.65	1.71	75.5		0.205			4247

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1uiv	1.65	19.82	54867	2788	100	0.179	0.177	0.21	RANDOM	14.809

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]
0.02			-0.02		-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.128
r_dihedral_angle_4_deg	20.01
r_dihedral_angle_3_deg	13.948
r_dihedral_angle_1_deg	6.2
r_scangle_it	4.081
r_scbond_it	2.68
r_mcangle_it	1.559
r_angle_refined_deg	1.546
r_mcbond_it	0.9
r_angle_other_deg	0.802
r_symmetry_vdw_other	0.284
r_mcbond_other	0.25
r_nbd_refined	0.232
r_nbd_other	0.195
r_nbtor_refined	0.182
r_xyhbond_nbd_refined	0.143
r_symmetry_vdw_refined	0.14
r_symmetry_hbond_refined	0.138
r_metal_ion_refined	0.112
r_nbtor_other	0.089
r_chiral_restr	0.088
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3899
Nucleic Acid Atoms
Solvent Atoms	348
Heterogen Atoms	3

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction