2FK7

Crystal structure of Hma (MmaA4) from Mycobacterium tuberculosis, apo-form

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1KP9	pdb entry 1KP9

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	285	4-28% PEG 3350, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 285.0K

Crystal Properties
Matthews coefficient	Solvent content
2.76	55.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.715	α = 90
b = 56.715	β = 90
c = 206.22	γ = 120

Symmetry
Space Group	P 31 2 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	Toroidal mirror	2004-11-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-3	0.931000	ESRF	ID14-3

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	2.1	44.3	97.5	0.1	3.8	9.7	22776	22776			42.3

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	2.1	2.21	100		0.186	3.7	10	3315

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 1KP9	2.1	30	21535	21535	1173	97.05	0.19734	0.19734	0.19546	0.23226	RANDOM	65.44

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]
0.55	0.27		0.55		-0.82

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.047
r_dihedral_angle_4_deg	23.723
r_dihedral_angle_3_deg	13.795
r_dihedral_angle_1_deg	5.854
r_scangle_it	3.95
r_scbond_it	2.788
r_angle_refined_deg	1.736
r_mcangle_it	1.636
r_mcbond_it	1.176
r_nbtor_refined	0.317
r_symmetry_hbond_refined	0.235
r_nbd_refined	0.211
r_chiral_restr	0.132
r_xyhbond_nbd_refined	0.123
r_symmetry_vdw_refined	0.111
r_bond_refined_d	0.021
r_gen_planes_refined	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_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	2218
Nucleic Acid Atoms
Solvent Atoms	124
Heterogen Atoms

Software

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