Experiment: 1LLS

CRYSTAL STRUCTURE OF UNLIGANDED MALTOSE BINDING PROTEIN WITH XENON

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1OMP	PDB ENTRY 1OMP

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.6	298	10 mM Sodium Citrate, 23% PEG 8000, pH 6.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.21	44.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.207	α = 100.75
b = 44.026	β = 101.36
c = 57.649	γ = 102.62

Symmetry
Space Group	P 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		2002-01-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.0	ALS	8.3.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.8	17.07	92.3	0.029	19.9		55908	29855	4	4	16.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.8	1.91	76		0.105	10.4		4127

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	Isomorphous with Structure in Database	THROUGHOUT	PDB ENTRY 1OMP	1.8	17.07	29855	29855	1472	92.3	0.2051	0.204	0.204	0.2029	0.226	0.2256	RANDOM	22.5

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]
8.82	4.28	0.45	-4.1	-0.33	-4.72

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	22.6
c_angle_deg	1.4
c_improper_angle_d	0.91
c_bond_d	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2878
Nucleic Acid Atoms
Solvent Atoms	171
Heterogen Atoms	1

Software

Software
Software Name	Purpose
CNS	refinement
MOSFLM	data reduction
CCP4	data scaling
CNS	phasing