Experiment: 3A30

E. coli Gsp amidase C59 acetate modification

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION	4.5	298	0.1M acetate, 0.8M NaH2PO4, 1.2M K2HPO4, pH 4.5, EVAPORATION, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.39	48.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.51	α = 90
b = 83.51	β = 90
c = 105.84	γ = 120

Symmetry
Space Group	P 64 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 210			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE BL13C1		NSRRC	BL13C1

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	2.2	30	100	0.092	34.8	10.1		11604		1

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)
	2.2	2.28	99.9		0.609	5.9	10.3	1114

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-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 ENTRY 2iob	2.2	25.25	11614	11146	588	96	0.1997	0.2038	0.2487	0.2482	random	24.918

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]
0.876	-9.82		0.876		-1.751

RMS Deviations
Key	Refinement Restraint Deviation
c_scangle_it	3.182
c_mcangle_it	2.626
c_scbond_it	2.094
c_mcbond_it	1.543
c_angle_deg	1.23904
c_bond_d	0.005223

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1427
Nucleic Acid Atoms
Solvent Atoms	114
Heterogen Atoms	4

Software

Software
Software Name	Purpose
Blu-Ice	data collection
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing