3FE4

Crystal Structure of Human Carbonic Anhydrase vi

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1RJ5	PDB ENTRY 1RJ5, 1JCZ
experimental model	PDB	1JCZ	PDB ENTRY 1RJ5, 1JCZ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	277	0.16M MgCl2, 0.08M Tris pH 8.5, 16% w/v PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.16	43.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.65	α = 90
b = 80.048	β = 90
c = 133.441	γ = 90

Symmetry
Space Group	P 21 21 21

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	MARMOSAIC 325 mm CCD	OSMIC	2008-11-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.99988	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.9	43.4	99.3	0.084	0.052	8.6	3.4	44142	41862	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	2	97.4		0.565	0.367	1.9	3.1	6197

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1RJ5, 1JCZ	1.9	41.27	44142	41862	2223	99.22	0.17946	0.17652	0.23536	RANDOM	17.52

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]
1.13			-2		0.88

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.393
r_dihedral_angle_4_deg	17.365
r_dihedral_angle_3_deg	13.876
r_scangle_it	8.448
r_dihedral_angle_1_deg	6.765
r_scbond_it	6.292
r_mcangle_it	4.267
r_mcbond_it	2.795
r_angle_refined_deg	1.562
r_angle_other_deg	0.93
r_mcbond_other	0.816
r_chiral_restr	0.103
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3866
Nucleic Acid Atoms
Solvent Atoms	427
Heterogen Atoms	14

Software

Software
Software Name	Purpose
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling