1NG9

E.coli MutS R697A: an ATPase-asymmetry mutant

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	297	PEG 6000, NaCl, MgCl2, HEPES, ADP, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 297K

Crystal Properties
Matthews coefficient	Solvent content
2.89	57.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 89.902	α = 90
b = 92.404	β = 90
c = 261.593	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	ADSC QUANTUM 4	mirrors	2002-03-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.9330	ESRF	ID14-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.6	30	98.7	0.124	0.124	4.6	3.5	66737	66708	1	1.1	57.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.6	2.74	98.7		0.657	0.657	1.1	3.5	9717

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	PDB ENTRY 1E3M	2.6	20	67769	65273	1283	98.21	0.21565	0.21565	0.21497	0.24892	RANDOM	10.362

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]
-4.67			9.14		-4.47

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.82
r_scangle_it	1.381
r_angle_refined_deg	1.133
r_scbond_it	0.995
r_angle_other_deg	0.792
r_mcangle_it	0.523
r_mcbond_it	0.273
r_symmetry_vdw_other	0.236
r_nbd_other	0.21
r_xyhbond_nbd_refined	0.193
r_nbd_refined	0.182
r_symmetry_hbond_refined	0.146
r_symmetry_vdw_refined	0.126
r_nbtor_other	0.082
r_chiral_restr	0.06
r_bond_refined_d	0.009
r_gen_planes_other	0.008
r_gen_planes_refined	0.004
r_bond_other_d	0.003
r_dihedral_angle_2_deg
r_xyhbond_nbd_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12286
Nucleic Acid Atoms	714
Solvent Atoms	364
Heterogen Atoms	56

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
CCP4	data scaling