1TZP | pdb_00001tzp

MEPA, inactive form without ZN in P21

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		A partial model of MEPA in a different crystal form

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	ammonium sulfate, MES, PEG monomethyl ether 5000, 1,4-butanediol, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.29	45.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.949	α = 90
b = 115.143	β = 94.08
c = 49.154	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	CCD	MARRESEARCH		2004-04-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6	1.05	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	1.4	20	91.3	0.036	0.036	10	3.5		91010			14.2

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)
	1.4	1.48	94.3		0.129	0.129	5.5	3.4	13722

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	A partial model of MEPA in a different crystal form	1.4	19.73	86482	86482	4528	91.11	0.18447	0.18447	0.18334	0.19	0.2061	0.21	RANDOM	13.402

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]
-0.08		0.17	0.33		-0.23

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.771
r_scangle_it	3.311
r_scbond_it	2.104
r_angle_refined_deg	1.514
r_mcangle_it	1.48
r_angle_other_deg	0.841
r_mcbond_it	0.822
r_nbd_other	0.248
r_symmetry_vdw_other	0.247
r_nbd_refined	0.219
r_symmetry_vdw_refined	0.14
r_xyhbond_nbd_refined	0.128
r_symmetry_hbond_refined	0.121
r_chiral_restr	0.089
r_nbtor_other	0.084
r_bond_refined_d	0.013
r_gen_planes_refined	0.007
r_gen_planes_other	0.007
r_bond_other_d	0.002
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_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3728
Nucleic Acid Atoms
Solvent Atoms	560
Heterogen Atoms	51

Software

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