1U10

MEPA, active form with ZN in P1

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1TZP	MepA in the P21 form (1TZP)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	ammonium sulfate, MES, PEG monomethyl ether 5000, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.613	α = 93.15
b = 77.988	β = 95.93
c = 127.663	γ = 90.75

Symmetry
Space Group	P 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	CCD	MARRESEARCH		2004-04-27	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6	0.9791, 0.9793, 1.2810	MPG/DESY, HAMBURG	BW6

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	2.4	20	97.1	0.039	0.039	14.1	1.9	103423	103423			36

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)
	2.4	2.44	93.5		0.151	0.151	4	1.8	4917

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	MAD combined with MR	THROUGHOUT	MepA in the P21 form (1TZP)	2.4	20	49711	49711	2658	98.17	0.23551	0.23551	0.23393	0.2658	RANDOM	24.954

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]
1.34	0.31	-0.09	-0.15	-0.68	-1.27

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	3.669
r_angle_other_deg	3.527
r_mcangle_it	2.625
r_scbond_it	2.549
r_mcbond_it	1.688
r_angle_refined_deg	1.615
r_dihedral_angle_1_deg	1.531
r_symmetry_vdw_other	0.361
r_symmetry_hbond_refined	0.313
r_nbd_other	0.297
r_symmetry_vdw_refined	0.295
r_nbd_refined	0.238
r_xyhbond_nbd_refined	0.131
r_nbtor_other	0.107
r_chiral_restr	0.102
r_metal_ion_refined	0.062
r_bond_refined_d	0.011
r_gen_planes_refined	0.007
r_gen_planes_other	0.006
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11217
Nucleic Acid Atoms
Solvent Atoms	55
Heterogen Atoms	39

Software

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