3U1H

Crystal structure of IPMDH from the last common ancestor of Bacillus

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	291	200mM diammonium hydrogen citrate, 2mM MgSO4, 15% PEG 3350, 4% glycerol, pH 5.5, temperature 291K, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.72	54.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.266	α = 90
b = 75.985	β = 90
c = 171.225	γ = 90

Symmetry
Space Group	P 21 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	IMAGE PLATE	MAR scanner 345 mm plate	msc osmic optics	2010-09-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.8	44.549	95.2	0.092	12.4	5	22393	22393

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.8	2.95	87.8		0.566	0.566	0.623	0.251	1.4	4.8	2953

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 1V53	2.8	44.43	22331	1124	94.46	0.2367	0.2328	0.3088	RANDOM	65.5073

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]
0.78			-0.05		-0.72

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.704
r_dihedral_angle_4_deg	23.235
r_dihedral_angle_3_deg	22.192
r_dihedral_angle_1_deg	6.791
r_scangle_it	2.703
r_angle_refined_deg	1.55
r_scbond_it	1.506
r_mcangle_it	1.129
r_mcbond_it	0.597
r_chiral_restr	0.104
r_bond_refined_d	0.014
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5212
Nucleic Acid Atoms
Solvent Atoms	16
Heterogen Atoms

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction