1O9J

The X-ray crystal structure of eta-crystallin

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1BXS	PDB ENTRY 1BXS

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		25 MM BIS-TRIS-PROPANE PH 7.5, APPROXIMATELY 14% PEG 6,000.

Crystal Properties
Matthews coefficient	Solvent content
4.2	70.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.869	α = 90
b = 136.407	β = 102.62
c = 84.988	γ = 90

Symmetry
Space Group	P 1 21 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	CCD	MARRESEARCH	MIRRORS	1999-01-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-3		ESRF	ID14-3

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	2.4	45.6	96.5	0.068	12.2	2.4		67543		4

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)
1	2.4	2.53	94.7		0.174	7.2	2.3

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1BXS	2.4	41.52	64100	3443	96.2	0.184	0.18	0.19	0.254	RANDOM	23.32

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]
		-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.166
r_scangle_it	2.345
r_scbond_it	1.348
r_angle_refined_deg	1.281
r_mcangle_it	0.828
r_angle_other_deg	0.817
r_mcbond_it	0.427
r_symmetry_vdw_other	0.236
r_nbd_other	0.215
r_nbd_refined	0.189
r_symmetry_vdw_refined	0.189
r_symmetry_hbond_refined	0.138
r_xyhbond_nbd_refined	0.134
r_nbtor_other	0.082
r_chiral_restr	0.075
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15139
Nucleic Acid Atoms
Solvent Atoms	454
Heterogen Atoms	192

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing