6KM1

Human Carbonic Anhydrase II V143I variant 13 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	41.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.286	α = 90
b = 41.446	β = 104.181
c = 72.076	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	1.05	50	94.1	0.068	32.36	7.7		106259

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	1.05	1.07			0.454	4.76

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	1.05	29.147	106239	5347	94.083	0.104	0.1035	0.1214	11.403

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]
-0.009		0.012	0.003

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	59.503
r_dihedral_angle_2_deg	34.104
r_dihedral_angle_4_deg	21.267
r_sphericity_bonded	11.752
r_dihedral_angle_3_deg	11.215
r_dihedral_angle_1_deg	6.872
r_rigid_bond_restr	6.799
r_lrange_it	6.252
r_lrange_other	5.191
r_scangle_other	3.957
r_scangle_it	3.954
r_mcangle_other	3.205
r_mcbond_it	3.202
r_mcangle_it	3.201
r_scbond_other	2.824
r_scbond_it	2.82
r_angle_refined_deg	2.574
r_mcbond_other	1.51
r_angle_other_deg	1.308
r_symmetry_nbd_refined	0.361
r_nbd_refined	0.328
r_nbd_other	0.303
r_symmetry_xyhbond_nbd_refined	0.207
r_symmetry_nbd_other	0.198
r_nbtor_refined	0.185
r_xyhbond_nbd_refined	0.156
r_chiral_restr	0.15
r_symmetry_nbtor_other	0.081
r_metal_ion_refined	0.053
r_bond_refined_d	0.029
r_gen_planes_refined	0.014
r_symmetry_xyhbond_nbd_other	0.009
r_gen_planes_other	0.006
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2050
Nucleic Acid Atoms
Solvent Atoms	359
Heterogen Atoms	17

Software

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