3M40

Crystal structure of human carbonic anhydrase isozyme II with 4-[N-(6-chloro-5-nitropyrimidin-4-yl)amino]benzenesulfonamide

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2NNO	PDB ENTRY 2NNO

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	293	0.1M Na-bicine pH 9.0, 2M Na-Malonate pH7.55, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.08	40.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.184	α = 90
b = 41.165	β = 104.54
c = 72.477	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	IMAGE PLATE	MAR555 FLAT PANEL	Bent, vertically focussing mirror	2008-12-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11	0.8150	EMBL/DESY, HAMBURG	X11

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	1.6	16.295	94.4	0.161	0.161	10.2	5.9	31929	30141			12.747

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)
	1.6	1.69	90.2		0.202	0.202	6.4	5.9	4203

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 2NNO	1.6	14.38	30126	30126	3047	94.1	0.16073	0.15359	0.22378	RANDOM	13.991

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]
-0.07		-0.18	-0.48		0.46

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.695
r_dihedral_angle_4_deg	21.894
r_sphericity_free	14.807
r_dihedral_angle_3_deg	13.955
r_sphericity_bonded	8.866
r_dihedral_angle_1_deg	6.745
r_scangle_it	6.057
r_scbond_it	4.919
r_mcangle_it	3.265
r_rigid_bond_restr	3.027
r_mcbond_it	2.366
r_angle_refined_deg	1.947
r_nbtor_refined	0.312
r_nbd_refined	0.231
r_symmetry_vdw_refined	0.221
r_symmetry_hbond_refined	0.163
r_chiral_restr	0.148
r_xyhbond_nbd_refined	0.148
r_metal_ion_refined	0.041
r_bond_refined_d	0.026
r_gen_planes_refined	0.012
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2059
Nucleic Acid Atoms
Solvent Atoms	229
Heterogen Atoms	26

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PDB_EXTRACT	data extraction
MOLREP	phasing