1OID

5'-Nucleotidase (E. coli) with an Engineered Disulfide Bridge (S228C, P513C)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		26% PEG 400, 100 MM CACODYLATE PH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.496	α = 90
b = 93.708	β = 97.71
c = 82.901	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	100	IMAGE PLATE	MARRESEARCH	MIRRORS	2003-03-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR571

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	2.1	20	98.4	0.055	11.3	2.78		194970

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	2.1	2.17	90.8		0.32	2.08	2.35

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	PDB ENTRY 1HP1	2.1	30	66489	3557	98.3	0.169	0.166	0.215	RANDOM	36.56

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]
0.66		0.02	-1.47		0.81

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	7.129
r_scangle_it	5.566
r_scbond_it	3.576
r_mcangle_it	2.277
r_angle_refined_deg	2.17
r_mcbond_it	1.356
r_angle_other_deg	1.105
r_symmetry_hbond_refined	0.355
r_symmetry_vdw_other	0.277
r_nbd_other	0.258
r_symmetry_vdw_refined	0.248
r_nbd_refined	0.233
r_xyhbond_nbd_refined	0.232
r_chiral_restr	0.15
r_nbtor_other	0.092
r_bond_refined_d	0.029
r_gen_planes_other	0.018
r_gen_planes_refined	0.014
r_bond_other_d	0.003
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8173
Nucleic Acid Atoms
Solvent Atoms	746
Heterogen Atoms	1

Software

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