1A7H

GAMMA S CRYSTALLIN C-TERMINAL DOMAIN

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		1.5 angstrom coordinates of gB C-terminal domain only, resid 87-172

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5		PROTEIN CONCENTRATION 5MGS/ML. 0.1M NA-CITRATE, PH 5.0, 20-22%(W/V) PEG8K, 2% 1,4-DIOXANE, AT ROOM-TEMPERATURE.

Crystal Properties
Matthews coefficient	Solvent content
2.33	43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.25	α = 90
b = 62.25	β = 90
c = 170	γ = 120

Symmetry
Space Group	P 61 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	IMAGE PLATE	MARRESEARCH	PLATINUM VERTICAL MIRROR	1996-09-06	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX7.2		SRS	PX7.2

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	2.56	45.64	98.6	0.035	14.7	5		6716			17.84

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)
	2.56	2.65	97.9		0.058	11.5	4.6

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 REFINEMENT	GAMMA B C-TERMINAL	2.56	30	6709	434	98.7	0.208	0.208	0.295	RANDOM	25.48

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	26.13
x_mcbond_it	4.57
x_scbond_it	4.57
x_mcangle_it	2.6
x_scangle_it	2.6
x_angle_deg	1.68
x_improper_angle_d	1.46
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	1444
Nucleic Acid Atoms
Solvent Atoms	50
Heterogen Atoms

Software

Software
Software Name	Purpose
AMoRE	phasing
X-PLOR	refinement
DENZO	data reduction
CCP4	data scaling
ROTAVATA	data scaling