3FW3

Crystal Structure of soluble domain of CA4 in complex with Dorzolamide

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ZNC	PDB ENTRY 1ZNC

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.4	277	25% PEG 3350, 0.1M Na Acetate, 0.20M Ammonium sulfate, 3% glucose., pH 4.4, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.18

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.991	α = 90
b = 70.826	β = 91.91
c = 71.774	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	95	CCD	ADSC QUANTUM 4		2003-12-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	1.0	ALS	5.0.1

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	1.72	29.6	99	0.058	18.7	2.81		52706	1	2	19.2

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)
	1.72	1.78	98.3		0.38	2	2.7	5214

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1ZNC	1.72	29.6	1	50026	50026	2661	98.63	0.17716	0.1756	0.20637	RANDOM	18.542

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]
0.49		-0.19	0.07		-0.57

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.672
r_scangle_it	4.176
r_scbond_it	2.526
r_mcangle_it	1.677
r_angle_refined_deg	1.566
r_mcbond_it	0.935
r_angle_other_deg	0.835
r_symmetry_vdw_other	0.284
r_nbd_refined	0.272
r_nbd_other	0.243
r_symmetry_vdw_refined	0.234
r_xyhbond_nbd_refined	0.15
r_symmetry_hbond_refined	0.115
r_chiral_restr	0.095
r_nbtor_other	0.085
r_bond_refined_d	0.016
r_gen_planes_other	0.011
r_gen_planes_refined	0.009
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_refined
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	3962
Nucleic Acid Atoms
Solvent Atoms	264
Heterogen Atoms	61

Software

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