5FAX

Structure of subtilase SubHal from Bacillus halmapalus

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5FBZ	Complex of SubHal with CI2A inhibitor, PDB ID 5FBZ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	291	Protein concentration 24 mg ml-1 in 50 mM sodium cacodylate buffer, pH 6.5, 2 mM CaCl2 and 100 mM NaCl. The enzyme was crystallised by hanging drop vapour diffusion in drops containing 1 microliter of protein and 1 microliter of reservoir solution over 0.5 ml of reservoir: Hampton Screen 2 no. 23 (10% dioxane, 0.1 M 2-(N-Morpholino)-ethanesulphonic acid (MES) buffer, pH 6.5, 1.6 M ammonium sulphate). Clusters of elongated plates appeared after several days.

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.224	α = 90
b = 99.935	β = 103.52
c = 96.749	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	100	CCD	ADSC QUANTUM 4		2002-03-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.933	ESRF	ID14-2

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	30	74	0.101	6	4.3	41891	41891		-3	13.2

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	2.05	49.1		0.268	2.4

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	FREE R-VALUE	Complex of SubHal with CI2A inhibitor, PDB ID 5FBZ	2	30	41891	2140	74.19	0.21522	0.215	0.303	Random selection	14.77

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]
-0.21		-0.51	0.87		-0.91

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	7.65
r_scangle_it	2.827
r_scbond_it	2.041
r_angle_refined_deg	1.678
r_mcangle_it	1.164
r_angle_other_deg	0.951
r_mcbond_it	0.763
r_symmetry_vdw_other	0.31
r_symmetry_hbond_refined	0.268
r_nbd_other	0.243
r_xyhbond_nbd_refined	0.224
r_nbd_refined	0.208
r_symmetry_vdw_refined	0.138
r_metal_ion_refined	0.127
r_chiral_restr	0.101
r_nbtor_other	0.088
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_gen_planes_other	0.005
r_bond_other_d	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_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	6394
Nucleic Acid Atoms
Solvent Atoms	662
Heterogen Atoms	6

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
MOLREP	phasing
XFIT	model building