1GXA | pdb_00001gxa

BOVINE BETA-LACTOGLOBULIN COMPLEXED WITH RETINOL AND PALMITIC ACID, TRIGONAL LATTICE Z

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1B0O

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.3	290	17 DEG C, 8MUL BLG-RET-PLM COMPLEX 20MM TRIS, PH 8 + 8MUL NA CITRATE 1.25M, 0.1M HEPES, PH7.3, PER DROP

Crystal Properties
Matthews coefficient	Solvent content
2.495	51.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.636	α = 90
b = 53.636	β = 90
c = 112.027	γ = 120

Symmetry
Space Group	P 32 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	100	IMAGE PLATE	MAR scanner 345 mm plate	SILICON		M	SINGLE WAVELENGTH

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)	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	2.35	25	99.2	0.043	20.2	15.1		8186

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1B0O	2.35	25	7633		92.9	0.2261	0.2186		0.3015	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
		1411.5

RMS Deviations
Key	Refinement Restraint Deviation
s_similar_adp_cmpnt	0.093
s_non_zero_chiral_vol	0.026
s_zero_chiral_vol	0.021
s_from_restr_planes	0.0209
s_angle_d	0.018
s_bond_d	0.004
s_anti_bump_dis_restr	0.004
s_similar_dist
s_rigid_bond_adp_cmpnt
s_approx_iso_adps

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1272
Nucleic Acid Atoms
Solvent Atoms	116
Heterogen Atoms	18

Software

Software
Software Name	Purpose
SHELXL-97	refinement
DENZO	data reduction
SCALEPACK	data scaling
SHELX	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.