4F3S | pdb_00004f3s

Crystal structure of periplasmic D-alanine ABC transporter from Salmonella enterica

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	293	1.8M Ammonium citrate tribasic pH 7, 10% Jeffamine M600 pH 7, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.95	58.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.406	α = 90
b = 80.406	β = 90
c = 187.041	γ = 120

Symmetry
Space Group	P 61 2 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	2011-02-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	0.9791	NSLS	X25

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	2.14	50	99.7	0.06	11.2	41	20516	20516

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	2.14	2.22	97.3		0.38	5	37.83	2004

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.14	46.45	20516	19397	1048	99.66	0.19097	0.18933	0.1893	0.22099	0.2177	RANDOM	31.385

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]
-0.01	-0.01		-0.01		0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.696
r_dihedral_angle_3_deg	16.6
r_dihedral_angle_4_deg	11.703
r_dihedral_angle_1_deg	7.101
r_scangle_it	5.773
r_scbond_it	4.154
r_mcangle_it	2.298
r_angle_refined_deg	1.844
r_mcbond_it	1.287
r_chiral_restr	0.146
r_bond_refined_d	0.025
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1805
Nucleic Acid Atoms
Solvent Atoms	70
Heterogen Atoms	16

Software

Software
Software Name	Purpose
CBASS	data collection
SHELXD	phasing
SHELXE	model building
ARP/wARP	model building
CCP4	model building
Coot	model building
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CCP4	phasing