6LV6

Ni- Carbonic Anhydrase II pH 7.8 20 atm CO2

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.8	293	1.3 M sodium citrate, 50 mM Tris-HCl

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.395	α = 90
b = 41.365	β = 104.014
c = 72.127	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		2019-12-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PAL/PLS BEAMLINE 7A (6B, 6C1)	0.9793	PAL/PLS	7A (6B, 6C1)

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	1.2	30	95.4	0.072	0.077	0.028	0.995	23.1	7.6		72523

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.2	1.22	92.1		0.377	0.405	0.148	0.939	7.2	7.5

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	5YUK	1.2	30	72507	3718	95.365	0.114	0.1124	0.138	11.027

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]
-0.038		0.075	-0.114		0.102

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	39.52
r_dihedral_angle_2_deg	34.724
r_dihedral_angle_4_deg	23.817
r_sphericity_bonded	13.173
r_dihedral_angle_3_deg	11.356
r_dihedral_angle_1_deg	7.188
r_rigid_bond_restr	6.22
r_lrange_it	5.134
r_lrange_other	4.046
r_scangle_other	3.544
r_scangle_it	3.542
r_scbond_other	2.993
r_scbond_it	2.989
r_mcangle_other	2.639
r_mcangle_it	2.63
r_angle_refined_deg	2.382
r_mcbond_it	2.101
r_mcbond_other	1.814
r_angle_other_deg	1.208
r_symmetry_nbd_refined	0.321
r_nbd_refined	0.293
r_nbd_other	0.26
r_metal_ion_refined	0.215
r_symmetry_xyhbond_nbd_refined	0.202
r_symmetry_nbd_other	0.198
r_chiral_restr	0.192
r_nbtor_refined	0.186
r_xyhbond_nbd_refined	0.14
r_symmetry_nbtor_other	0.086
r_bond_refined_d	0.029
r_gen_planes_refined	0.015
r_symmetry_xyhbond_nbd_other	0.012
r_bond_other_d	0.003
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2049
Nucleic Acid Atoms
Solvent Atoms	347
Heterogen Atoms	15

Software

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