1BV3

HUMAN CARBONIC ANHYDRASE II COMPLEXED WITH UREA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.7		2.3M AMMONIUM SULFATE, 55MM TRIS-HCL, 1MM SODIUM 4-(HYDROXYMERCURY)BENZOATE, PH 7, pH 7.7

Crystal Properties
Matthews coefficient	Solvent content
2.18	43.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.82	α = 90
b = 42.02	β = 104.26
c = 73.03	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	295	CCD	SIEMENS	MIRRORS	1998-05-15	M	SINGLE WAVELENGTH

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

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	1.85	30	91.2	0.07	5.3	2.6		21668

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)
	1.85	1.95	92.5		0.134	4.8	2

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	OTHER	THROUGHOUT	1.85	10	21358	21358	1068	91.8	0.171	0.213	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]

RMS Deviations
Key	Refinement Restraint Deviation
p_transverse_tor	32.7
p_staggered_tor	19.2
p_special_tor	12
p_scangle_it	8.72
p_scbond_it	6.58
p_mcangle_it	3.57
p_planar_tor	3.3
p_mcbond_it	2.83
p_multtor_nbd	0.206
p_chiral_restr	0.185
p_singtor_nbd	0.18
p_xyhbond_nbd	0.177
p_planar_d	0.077
p_angle_d	0.04
p_bond_d	0.019
p_plane_restr	0.014
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2044
Nucleic Acid Atoms
Solvent Atoms	137
Heterogen Atoms	15

Software

Software
Software Name	Purpose
SAINT	data scaling
SAINT	data reduction
CCP4	model building
CCP4	refinement
CCP4	phasing