5AML

Three dimensional structure of human carbonic anhydrase II in complex with 2-(But-2-yn-1-ylsulfamoyl)-4-sulfamoylbenzoic acid

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	9	294	1,54 M SODIUM CITRATE 60 MM TRIS- HCL, PH 9.0, PROTEIN 10 MG/ML 5-10 MM INHIBITOR (STOCK SOLUTION WAS 100 MM INHIBITOR DISSOLVED IN 100% DIMETHYL SULFOXIDE) VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K, TIME 2-5 DAYS

Crystal Properties
Matthews coefficient	Solvent content
2.1	42

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.28	α = 90
b = 41.62	β = 104.48
c = 72.04	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	MARRESEARCH	MULTILAYER	2013-11-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I911-3		MAX II	I911-3

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	1.36	20	99.8	0.05	10	2.6		52730		2.4	8.9

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	1.36	1.43	99.7		0.39	2.4	2.3

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 4BF1	1.36	69.75	50028	2685	99.75	0.12016	0.11795	0.16114	RANDOM	14.963

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]
-0.66		0.03	0.05		0.53

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	40.253
r_dihedral_angle_2_deg	36.032
r_dihedral_angle_4_deg	22.669
r_sphericity_bonded	12.15
r_dihedral_angle_3_deg	10.887
r_dihedral_angle_1_deg	6.675
r_scbond_it	3.157
r_rigid_bond_restr	2.352
r_mcangle_it	2.159
r_angle_refined_deg	1.709
r_mcbond_it	1.7
r_mcbond_other	1.687
r_angle_other_deg	1.003
r_chiral_restr	0.188
r_bond_refined_d	0.015
r_gen_planes_refined	0.01
r_bond_other_d	0.003
r_gen_planes_other	0.002
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_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2044
Nucleic Acid Atoms
Solvent Atoms	347
Heterogen Atoms	22

Software

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