1YM3

Crystal Structure of carbonic anhydrase RV3588c from Mycobacterium tuberculosis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	293	MgCl2, PEG 400, HEPES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K

Crystal Properties
Matthews coefficient	Solvent content
1.9	34.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.377	α = 90
b = 56.377	β = 90
c = 104.192	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MARRESEARCH	Vertically focusing cylindrical mirror	2004-05-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I711	1.085	MAX II	I711

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	1.75	26.2	83.3	0.044	23.35	4.7	13934	13934

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	1.75	1.81	80.1		0.298	5	4.4

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 1I6O and 1DDZ	1.75	26.2	13934	13934	734	82.92	0.18134	0.18134	0.17876	0.22946	RANDOM	23.207

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]
0.36			0.36		-0.71

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.556
r_scangle_it	4.272
r_scbond_it	2.682
r_mcangle_it	1.753
r_angle_refined_deg	1.484
r_mcbond_it	0.98
r_angle_other_deg	0.874
r_symmetry_vdw_refined	0.619
r_symmetry_vdw_other	0.322
r_nbd_other	0.229
r_nbd_refined	0.208
r_xyhbond_nbd_refined	0.184
r_symmetry_hbond_refined	0.176
r_chiral_restr	0.09
r_nbtor_other	0.08
r_bond_refined_d	0.016
r_gen_planes_other	0.009
r_gen_planes_refined	0.008
r_metal_ion_refined	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_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	1435
Nucleic Acid Atoms
Solvent Atoms	130
Heterogen Atoms	2

Software

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