1G3P

CRYSTAL STRUCTURE OF THE N-TERMINAL DOMAINS OF BACTERIOPHAGE MINOR COAT PROTEIN G3P

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5		EQUAL VOLUMES OF THE PROTEIN SOLUTION (10 MG/ML) BUFFERED WITH 50 MM PIPES PH 6.5 AND THE PRECIPITANT (30% PEG 4000, 0.2 M AMMONIUM SULFATE, 2 MM DTT) WERE MIXED AND EQUILIBRATED (IN THE HANGING DROP SETUP) AGAINST THE PRECIPITANT., vapor diffusion - hanging drop

Crystal Properties
Matthews coefficient	Solvent content
2.34	40

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.681	α = 90
b = 48.681	β = 90
c = 153.222	γ = 120

Symmetry
Space Group	P 32 2 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	IMAGE PLATE	MAR scanner 345 mm plate	COLLIMATOR	1997-09-03	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X9B		NSLS	X9B

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	1.46	22	99.8	0.034	27	7.53		37511		-3

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)
	1.46	1.51	99.2		0.11	8.5	5.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	SIRAS (USING MAD X-RAY DATA)	THROUGHOUT	1.46	8	2	36895	3785	97.6	0.187	0.187	0.225	RANDOM	16.1

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]

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	27.01
x_mcbond_it	2.34
x_scbond_it	2.34
x_mcangle_it	2.07
x_scangle_it	2.07
x_angle_deg	1.584
x_improper_angle_d	1.265
x_bond_d	0.009
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1890
Nucleic Acid Atoms
Solvent Atoms	312
Heterogen Atoms	20

Software

Software
Software Name	Purpose
X-PLOR	refinement
SCALEPACK	data scaling
SHELX-97	model building
SHELX-97	refinement
DENZO	data reduction
SHELX-97	phasing