3CX4

Crystal Structure of E.coli GS mutant E377A in complex with ADP and oligosaccharides

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2QZS	PDB ENTRY 2QZS

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277	40 % (w/v) PEG 4000, 0.1 M HEPPSO, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 126.324	α = 90
b = 126.324	β = 90
c = 152.334	γ = 90

Symmetry
Space Group	I 41

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	MAR CCD 165 mm		2006-07-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 5ID-B	1.0	APS	5ID-B

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	2.29	97.13	98.1	0.085	14.5	3.21		53700		1.06	61.7

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)
	2.29	2.33	99		0.53	1.06	2.47	25704

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2QZS	2.29	9.31	53700	2728	99.84	0.187	0.186	0.221	RANDOM	48.419

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]
1.24			1.24		-2.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.676
r_dihedral_angle_4_deg	22.17
r_dihedral_angle_3_deg	16.964
r_dihedral_angle_1_deg	6.058
r_mcangle_it	1.618
r_angle_refined_deg	1.433
r_scangle_it	1.392
r_mcbond_it	0.944
r_scbond_it	0.944
r_nbtor_refined	0.328
r_nbd_refined	0.243
r_symmetry_vdw_refined	0.208
r_symmetry_hbond_refined	0.204
r_xyhbond_nbd_refined	0.17
r_chiral_restr	0.105
r_bond_refined_d	0.011
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3751
Nucleic Acid Atoms
Solvent Atoms	201
Heterogen Atoms	333

Software

Software
Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
X-GEN	data reduction