3M5E

Crystal structure of human carbonic anhydrase isozyme II with 4-{[N-(6-chloro-5-formyl-2-methylthiopyrimidin-4-yl)amino]methyl}benzenesulfonamide

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3HLJ	PDB ENTRY 3HLJ

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 pH 7.55, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.423	α = 90
b = 41.486	β = 104.49
c = 72.434	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	MAR CCD 165 mm	Bent, vertically focussing mirror	2009-12-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X13	0.8120	EMBL/DESY, HAMBURG	X13

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	1.7	41.487	100	0.054	0.054	32.8	11.6	27116	27116			13.3

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)
	1.7	1.79	100		0.117	0.117	13	7.8	3922

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 3HLJ	1.7	40.1	27090	2727	99.95	0.16752	0.16366	0.20202	RANDOM	12.678

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]
0.04		-0.09			-0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.981
r_dihedral_angle_4_deg	21.165
r_dihedral_angle_3_deg	12.803
r_dihedral_angle_1_deg	6.156
r_scangle_it	2.923
r_scbond_it	1.971
r_angle_refined_deg	1.304
r_mcangle_it	1.255
r_mcbond_it	0.773
r_nbtor_refined	0.309
r_nbd_refined	0.194
r_symmetry_vdw_refined	0.176
r_symmetry_hbond_refined	0.147
r_xyhbond_nbd_refined	0.132
r_chiral_restr	0.092
r_metal_ion_refined	0.049
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
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
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2059
Nucleic Acid Atoms
Solvent Atoms	330
Heterogen Atoms	28

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
O	model building