3DVI

Crystal structure of kappa 1 amyloidogenic light chain variable domain

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.4	295	Protein: 1.26 mM. Mother Liquor: 15% w/v polyethylene glycol 8000, 0.05 M magnesium acetate, 0.1 M sodium acetate, 0.1 M Tris buffer, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.39	48.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.02	α = 90
b = 47.02	β = 90
c = 103.356	γ = 90

Symmetry
Space Group	P 41 21 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	RIGAKU RAXIS IV++	Osmic VariMax optics	2007-11-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5241

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	1.53	103.14	91	0.072	20.6	16.62	18394	16734

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)
	1.53	1.58	35.7		0.365		4.3

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-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	pdb entry 2Q20	1.53	103.14	18394	16194	534	91.11	0.19138	0.19138	0.18949	0.25144	RANDOM	18.622

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]
-0.4			-0.4		0.8

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.39
r_dihedral_angle_4_deg	17.859
r_dihedral_angle_3_deg	14.452
r_sphericity_free	9.015
r_dihedral_angle_1_deg	7.148
r_scangle_it	4.76
r_sphericity_bonded	4.064
r_scbond_it	3.605
r_mcangle_it	2.529
r_rigid_bond_restr	2.128
r_angle_refined_deg	1.88
r_mcbond_it	1.879
r_nbtor_refined	0.31
r_nbd_refined	0.218
r_symmetry_hbond_refined	0.199
r_symmetry_vdw_refined	0.196
r_xyhbond_nbd_refined	0.168
r_chiral_restr	0.146
r_bond_refined_d	0.023
r_gen_planes_refined	0.011
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	916
Nucleic Acid Atoms
Solvent Atoms	202
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
CrystalClear	data collection
CrystalClear	data reduction
CrystalClear	data scaling
PHASER	phasing