3OSR | pdb_00003osr

Maltose-bound maltose sensor engineered by insertion of circularly permuted green fluorescent protein into E. coli maltose binding protein at position 311

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3EK4	PDB entries 3EK4, 1ANF
experimental model	PDB	1ANF	PDB entries 3EK4, 1ANF

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	4.6	296	0.1 M Sodium acetate pH 4.6, 8% w/v polyethylene glycol 4000, VAPOR DIFFUSION, temperature 296K

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.825	α = 90
b = 74.813	β = 97.52
c = 171.504	γ = 90

Symmetry
Space Group	P 1 21 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	RAYONIX MX225HE		2010-07-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.9793	APS	31-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	34.24	100	0.118	11.4	5.7		96467			19.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.11	100

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entries 3EK4, 1ANF	2	34.24	91629	4826	99.93	0.18488	0.18269	0.19	0.22573	0.23	RANDOM	23.638

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		-0.95	-0.52		-0.72

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.928
r_dihedral_angle_3_deg	16.088
r_dihedral_angle_4_deg	13.157
r_dihedral_angle_1_deg	6.298
r_scangle_it	4.794
r_scbond_it	3.047
r_mcangle_it	1.897
r_angle_refined_deg	1.868
r_mcbond_it	1.067
r_angle_other_deg	1.005

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.928
r_dihedral_angle_3_deg	16.088
r_dihedral_angle_4_deg	13.157
r_dihedral_angle_1_deg	6.298
r_scangle_it	4.794
r_scbond_it	3.047
r_mcangle_it	1.897
r_angle_refined_deg	1.868
r_mcbond_it	1.067
r_angle_other_deg	1.005
r_mcbond_other	0.309
r_chiral_restr	0.123
r_bond_refined_d	0.022
r_gen_planes_refined	0.009
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9479
Nucleic Acid Atoms
Solvent Atoms	559
Heterogen Atoms	46

Software

Software
Software Name	Purpose
spec	data collection
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.