4WAK

H. influenzae beta-carbonic anhydrase variant W39V/G41A

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	295	0.15 M sodium potassium phosphate, 10 mg/mL protein

Crystal Properties
Matthews coefficient	Solvent content
2.16	43.02

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.33	α = 90
b = 144.671	β = 90
c = 129.01	γ = 90

Symmetry
Space Group	I 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	110	CCD	OXFORD RUBY CCD		2009-10-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE	OXFORD DIFFRACTION ENHANCE ULTRA	1.54

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	2.49	29.5	98.5	0.127	15.1	9.6		16109

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	2.49	2.59	99.6		0.488	1.5	5.8

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	2A8D	2.49	29.5	15291	817	98.52	0.18893	0.18538	0.25376	RANDOM	37.294

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]
-0.25			0.64		-0.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.557
r_dihedral_angle_3_deg	18.116
r_dihedral_angle_4_deg	16.704
r_long_range_B_refined	7.292
r_long_range_B_other	7.285
r_dihedral_angle_1_deg	7.154
r_scangle_other	4.383
r_mcangle_it	3.789
r_mcangle_other	3.789
r_scbond_it	2.567
r_scbond_other	2.541
r_mcbond_it	2.225
r_mcbond_other	2.221
r_angle_refined_deg	1.589
r_angle_other_deg	0.853
r_chiral_restr	0.086
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2785
Nucleic Acid Atoms
Solvent Atoms	101
Heterogen Atoms	11

Software

Software
Software Name	Purpose
REFMAC	refinement
PHASER	phasing
Coot	model building
SCALA	data scaling