2UYD

Crystal structure of the SmHasA mutant H83A

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1B2V	PDB ENTRY 1B2V

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5	293	DROPS WERE PREPARED BY MIXING 2MICROL OF THE PROTEIN SOLUTION WITH 1 MICROL OF THE RESERVOIR SOLUTION THAT CONTAINED 100 MM SODIUM CACODYLATE AT PH 6.5, 200 MM ZN(OAC)2 AND 10 % (V/V) 2-PROPANOL. THE BROWNISH CRYSTALS GREW OVER A PERIOD OF 2 MONTHS AT 20 DEGREES C.

Crystal Properties
Matthews coefficient	Solvent content
5	75.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 110.67	α = 90
b = 110.67	β = 90
c = 52.355	γ = 120

Symmetry
Space Group	P 32 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	100	CCD	ADSC CCD		2002-03-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1		ESRF	ID14-1

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	2.6	40	99.2	0.06	10.5	4.2		18702

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	2.6	2.69	99.9		0.44	2.3	4.2

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1B2V	2.7	40	9813	494	99.2	0.238	0.236	0.26	0.274	0.3	RANDOM	41.22

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]
4.25	2.12		4.25		-6.37

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	8.68
r_scangle_it	1.579
r_angle_refined_deg	1.533
r_mcangle_it	1.035
r_scbond_it	1.01
r_angle_other_deg	0.93
r_mcbond_it	0.557
r_symmetry_vdw_refined	0.28
r_xyhbond_nbd_refined	0.259
r_nbd_refined	0.246
r_nbd_other	0.225
r_symmetry_vdw_other	0.21
r_symmetry_hbond_refined	0.127
r_nbtor_other	0.091
r_chiral_restr	0.087
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1260
Nucleic Acid Atoms
Solvent Atoms	68
Heterogen Atoms	59

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALA	data scaling
AMoRE	phasing