4HMQ

Crystal structure of streptococcus pneumoniae TIGR4 PiaA in complex with ferrichrome

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5.2	289	30% PEG400, 0.1M NaAc, 0.1M CdCl2, pH 5.2, VAPOR DIFFUSION, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.102	α = 90
b = 84.272	β = 90
c = 93.776	γ = 90

Symmetry
Space Group	P 21 21 21

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	MARMOSAIC 225 mm CCD		2010-04-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	0.91940	SSRF	BL17U

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	96.6			34376	33208		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.14	97.7		0.212	0.212	5.151	2.9	1693

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.1	36.86	34376	32631	1721	96.33	0.20204	0.19962	0.24804	RANDOM	13.995

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]
1.45			-0.98		-0.47

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.13
r_dihedral_angle_3_deg	11.587
r_dihedral_angle_4_deg	8.012
r_dihedral_angle_1_deg	4.54
r_scangle_it	1.51
r_scbond_it	0.873
r_angle_refined_deg	0.85
r_mcangle_it	0.61
r_mcbond_it	0.319
r_chiral_restr	0.055
r_bond_refined_d	0.005
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
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	4694
Nucleic Acid Atoms
Solvent Atoms	448
Heterogen Atoms	165

Software

Software
Software Name	Purpose
ADSC	data collection
AMoRE	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALA	data scaling