6KM2

Human Carbonic Anhydrase II V143I variant 15 atm CO2

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3U7C

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	1.3 M sodium citrate, 100 mM Tris-HCl

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.18

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.296	α = 90
b = 41.458	β = 104.163
c = 72.083	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	ADSC QUANTUM 270		2011-05-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F1	0.9179	CHESS	F1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	0.9	50	95.7	0.083	20.63	5.6		171362

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	0.9	0.92			0.653	1.75

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	3U7C	0.9	29.156	171296	8480	95.737	0.111	0.1099	0.1222	10.336

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]
-0.01		-0.008			0.012

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	57.438
r_dihedral_angle_2_deg	33.8
r_dihedral_angle_4_deg	21.201
r_dihedral_angle_3_deg	10.868
r_sphericity_bonded	10.835
r_dihedral_angle_1_deg	6.966
r_rigid_bond_restr	6.806
r_lrange_it	6.045
r_lrange_other	4.984
r_scangle_other	3.839
r_scangle_it	3.836
r_mcangle_other	3.089
r_mcangle_it	3.08
r_mcbond_it	2.99
r_scbond_other	2.715
r_scbond_it	2.711
r_angle_refined_deg	2.568
r_angle_other_deg	1.732
r_mcbond_other	1.52
r_symmetry_nbd_refined	0.365
r_nbd_other	0.348
r_nbd_refined	0.328
r_symmetry_nbd_other	0.211
r_symmetry_xyhbond_nbd_refined	0.21
r_nbtor_refined	0.185
r_chiral_restr	0.162
r_xyhbond_nbd_refined	0.149
r_symmetry_nbtor_other	0.082
r_metal_ion_refined	0.063
r_symmetry_xyhbond_nbd_other	0.038
r_bond_refined_d	0.03
r_gen_planes_refined	0.014
r_gen_planes_other	0.01
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2050
Nucleic Acid Atoms
Solvent Atoms	354
Heterogen Atoms	17

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
REFMAC	phasing