1ZH9

carbonic anhydrase II in complex with N-4-Methyl-1-piperazinyl-N'-(p-sulfonamide)phenylthiourea as sulfonamide inhibitor

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	soaking	8	277	ammonium sulfate, sodium chloride, p-chloromercuribenzoic acid, tris hcl, pH 8.0, soaking, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
1.81	45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.27	α = 90
b = 41.98	β = 104.43
c = 72	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	103	IMAGE PLATE	RIGAKU RAXIS IV	mirrors	2004-09-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	50	91.7	0.055	13.1	1.8	24969	24969

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.7	1.73	69.8		0.145	5.2	1.2	914

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	FREE R	1.7	10	24714	24714	1198	91.2	0.1528	0.1571	0.1528	0.2116	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
3	1956	2291

RMS Deviations
Key	Refinement Restraint Deviation
s_similar_adp_cmpnt	0.059
s_non_zero_chiral_vol	0.049
s_zero_chiral_vol	0.047
s_from_restr_planes	0.0285
s_angle_d	0.025
s_anti_bump_dis_restr	0.016
s_bond_d	0.008
s_similar_dist
s_rigid_bond_adp_cmpnt
s_approx_iso_adps

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2029
Nucleic Acid Atoms
Solvent Atoms	239
Heterogen Atoms	32

Software

Software
Software Name	Purpose
SHELX	model building
SHELXL-97	refinement
HKL-2000	data scaling
CNS	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.