1QMP

Phosphorylated aspartate in the crystal structure of the sporulation response regulator, Spo0A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		225 MM CACL2, 100 MM MOPS, PH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.45	49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.197	α = 90
b = 72.859	β = 90
c = 114.297	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	110	IMAGE PLATE	MARRESEARCH		1997-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE BW7B		EMBL/DESY, HAMBURG	BW7B

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	30	99.9	0.085	17.5	4.4		39774			17.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.03	99.9		0.293	5.2

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	N-SPO0A IN DIFFERENT CRYSTAL FORM (YET TO BE DEPOSITED)	2	25	39746	1995	99.9	0.2	0.195	0.253	RANDOM	24

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_transverse_tor	19.9
p_staggered_tor	14.8
p_scangle_it	5.96
p_scbond_it	4.53
p_planar_tor	4
p_mcangle_it	2.78
p_mcbond_it	2.06
p_multtor_nbd	0.27
p_singtor_nbd	0.186
p_chiral_restr	0.122
p_xyhbond_nbd	0.121
p_planar_d	0.032
p_angle_d	0.03
p_plane_restr	0.0223
p_bond_d	0.011
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3940
Nucleic Acid Atoms
Solvent Atoms	385
Heterogen Atoms	4

Software

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