4HU1

Crystal structure of human carbonic anhydrase isozyme XIII with the inhibitor.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5	291	0.1M sodium citrate pH5.5, 0.1M sodium acetate pH4.5 and 26% of PEG4000 , VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.2	43.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.27	α = 90
b = 57.386	β = 90
c = 159.552	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	FLAT PANEL	MAR555 flatpanel detector		2011-11-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11	0.815	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	1.95	40.178	100	0.135	0.135	9	7.3	38614	38614			21.6

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	1.95	2.06	100		0.486	0.486	1.5	7.4	5561

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2NNO	1.95	40.178	34654	38534	3880	99.95	0.175	0.175	0.169	0.235	RANDOM	19.689

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]
0.03			0.78		-0.82

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.37
r_dihedral_angle_4_deg	16.64
r_dihedral_angle_3_deg	14.271
r_dihedral_angle_1_deg	7.021
r_scangle_it	4.129
r_scbond_it	2.966
r_angle_refined_deg	2.026
r_mcangle_it	1.91
r_mcbond_it	1.187
r_nbtor_refined	0.31
r_symmetry_vdw_refined	0.226
r_nbd_refined	0.206
r_symmetry_hbond_refined	0.174
r_xyhbond_nbd_refined	0.163
r_metal_ion_refined	0.162
r_chiral_restr	0.143
r_bond_refined_d	0.024
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4135
Nucleic Acid Atoms
Solvent Atoms	553
Heterogen Atoms	77

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PDB_EXTRACT	data extraction
MAR345dtb	data collection
MOLREP	phasing