1BEB

BOVINE BETA-LACTOGLOBULIN, LATTICE X

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		B-LG LATTICE Z - SOLVED BY MIR

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	batch method	6.5		25MG/ML PROTEIN WAS DISSOLVED IN 0.1M SODIUM/ POTASSIUM PHOSPHATE BUFFER (PH 7.0) AND CRYSTALLIZED BY THE BATCH METHOD FROM 2M AMMONIUM SULFATE (PH 6.5) AND 0.4M SODIUM/POTASSIUM PHOSPHATE BUFFER (PH 7.6)., batch method

Crystal Properties
Matthews coefficient	Solvent content
2.22	42

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.8	α = 123.4
b = 49.5	β = 97.3
c = 56.6	γ = 103.7

Symmetry
Space Group	P 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	AREA DETECTOR	XENTRONICS	COLLIMATOR	1988-09-16	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	1.8	15	97	0.07	0.1	5	2.1		25155			23.5

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)
	1.8	1.96	78		0.07	0.1	3	1.2

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	B-LG LATTICE Z - SOLVED BY MIR	1.8	15	25135	1256	96	0.181	0.181	0.243	RANDOM	25.07

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	26.08
x_scbond_it	2
x_scangle_it	2
x_angle_deg	1.545
x_mcangle_it	1.5
x_improper_angle_d	1.366
x_mcbond_it	1.2
x_bond_d	0.013
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	2473
Nucleic Acid Atoms
Solvent Atoms	197
Heterogen Atoms

Software

Software
Software Name	Purpose
XDS	data scaling
ROTAVATA	data reduction
Agrovata	data reduction
X-PLOR	model building
X-PLOR	refinement
XDS	data reduction
CCP4	data scaling
ROTAVATA	data scaling
X-PLOR	phasing