1BB9

CRYSTAL STRUCTURE OF THE SH3 DOMAIN FROM RAT AMPHIPHYSIN 2

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6		VAPOUR DIFFUSION, PROTEIN 30MG/ML, RESERVOIR 2.0M AMMONIUM SULFATE, 100MM NA CITRATE PH6.0, PLUS 2MM DTT., vapor diffusion

Crystal Properties
Matthews coefficient	Solvent content
2.01	38.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.14	α = 90
b = 72.14	β = 90
c = 34.56	γ = 120

Symmetry
Space Group	P 31 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	293	IMAGE PLATE	MARRESEARCH		1997-04-26	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX9.5		SRS	PX9.5

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.2	36	99	0.093	0.093	4.7	4.2		5401		6	35

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.2	2.32	99		0.201	0.201	3.4	3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SIR	THROUGHOUT	2.2	36	5394	517	99.1	0.186	0.264	RANDOM	39

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
p_transverse_tor	21.2
p_staggered_tor	19.5
p_scangle_it	6.757
p_planar_tor	4.8
p_mcangle_it	4.784
p_scbond_it	4.57
p_mcbond_it	3.126
p_multtor_nbd	0.25
p_singtor_nbd	0.182
p_xyhbond_nbd	0.178
p_chiral_restr	0.123
p_planar_d	0.035
p_angle_d	0.034
p_plane_restr	0.023
p_bond_d	0.012
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	685
Nucleic Acid Atoms
Solvent Atoms	60
Heterogen Atoms

Software

Software
Software Name	Purpose
SHARP	phasing
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling