1LGD

Crystal Structure Analysis of HCA II Mutant T199P in Complex with Bicarbonate

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.8	298	PEG 2000 or 3350, Tris-HCl, BME. Crystals are soaked in BME-free solution in the presence of bicarbonate, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.012	α = 90
b = 44.589	β = 92.82
c = 76.636	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	298	IMAGE PLATE	MAC Science DIP-2030H	MIRRORS	1998-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR591	1.5418

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	1.9	20	88.6	0.089			16497	16497

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.9	1.97	87.8

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.9	20	16497	16497	894	88.65	0.18909	0.18909	0.18771	0.2141	RANDOM	18.463

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]
-0.27		-0.54	0.7		-0.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	19.336
r_dihedral_angle_1_deg	3.938
r_scangle_it	3.569
r_scbond_it	2.188
r_mcangle_it	1.464
r_angle_refined_deg	1.443
r_mcbond_it	0.786
r_symmetry_vdw_refined	0.259
r_nbd_refined	0.233
r_xyhbond_nbd_refined	0.15
r_symmetry_hbond_refined	0.15
r_chiral_restr	0.108
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_symmetry_vdw_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2049
Nucleic Acid Atoms
Solvent Atoms	161
Heterogen Atoms	5

Software

Software
Software Name	Purpose
X-PLOR	model building
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
X-PLOR	phasing