2NLZ

Crystal structure of cephalosporin acylase from Bacillus halodurans

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	294	200MM SODIUM FORMATE, PH 7.5, 20% PEG 3350, 20% GLYCEROL, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K

Crystal Properties
Matthews coefficient	Solvent content
2.63	53.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.745	α = 90
b = 105.745	β = 90
c = 385.062	γ = 120

Symmetry
Space Group	P 31 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	IMAGE PLATE	RIGAKU RAXIS IV	MIRRORS	2005-07-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.5418

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	2.68	50	96.4	0.11	0.109	6.4	5.8	70277	70277			18

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	SAD	THROUGHOUT	NONE	2.7	20	64321	2011	95.22	0.2109	0.20982	0.24458	RANDOM	45.23

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]
0.48	0.24		0.48		-0.72

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.501
r_dihedral_angle_3_deg	19.573
r_dihedral_angle_4_deg	17.771
r_scangle_it	10.854
r_scbond_it	7.946
r_mcangle_it	7.239
r_dihedral_angle_1_deg	6.361
r_mcbond_it	4.703
r_angle_refined_deg	1.251
r_nbtor_refined	0.312
r_symmetry_hbond_refined	0.217
r_symmetry_vdw_refined	0.189
r_nbd_refined	0.186
r_xyhbond_nbd_refined	0.173
r_chiral_restr	0.093
r_bond_refined_d	0.008
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	16590
Nucleic Acid Atoms
Solvent Atoms	281
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
HKL-2000	data scaling
SHELXS	phasing