2O2A

The crystal structure of a protein of unknown function from Streptococcus agalactiae

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	298	100 mM Sodium Acetate trihydrate, 3 M Sodium Chloride, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.42	49.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.11	α = 90
b = 103.11	β = 90
c = 278.408	γ = 120

Symmetry
Space Group	H 3 2

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 315	mirrors	2006-07-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9798	APS	19-ID

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	2.1	50	99.85	0.119	25.66	13.8	31965	31918	2	2	32

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	2.1	2.155	99.71		0.69	2.2	10.3	2445

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	SAD	THROUGHOUT	2.1	92.85	31965	31918	1703	99.85	0.204	0.204	0.20148	0.25232	RANDOM	31.676

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]
-0.17	-0.08		-0.17		0.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.826
r_dihedral_angle_4_deg	18.139
r_dihedral_angle_3_deg	16.004
r_dihedral_angle_1_deg	7.815
r_scangle_it	3.192
r_scbond_it	2.128
r_angle_refined_deg	1.501
r_mcangle_it	1.428
r_mcbond_it	1.086
r_angle_other_deg	0.912
r_symmetry_vdw_other	0.326
r_symmetry_vdw_refined	0.252
r_nbd_refined	0.206
r_symmetry_hbond_refined	0.201
r_nbd_other	0.194
r_mcbond_other	0.187
r_nbtor_refined	0.174
r_xyhbond_nbd_refined	0.167
r_chiral_restr	0.096
r_nbtor_other	0.088
r_xyhbond_nbd_other	0.042
r_bond_refined_d	0.015
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4043
Nucleic Acid Atoms
Solvent Atoms	242
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data reduction
HKL-2000	data scaling
HKL-3000	phasing
SHELXE	model building
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building