Experiment: 4UNI

beta-(1,6)-galactosidase from Bifidobacterium animalis subsp. lactis Bl-04 in complex with galactose

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		27% PEG1500, 0.01 M MGCL2, 0.1 M MMT BUFFER PH 8

Crystal Properties
Matthews coefficient	Solvent content
3.23	62.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 139.52	α = 90
b = 199.44	β = 90
c = 217.75	γ = 90

Symmetry
Space Group	C 2 2 21

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 MAR165	MIRRORS	2011-09-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I911-2		MAX II	I911-2

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	2.6	30	99.5	0.1	19.07	8.2		92722

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	2.6	2.67	94.8		0.91	2.6	7.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 1KWG	2.6	29.727	1.99	92718	2000	99.56	0.1766	0.1753	0.1797	0.2341	0.2371

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
f_dihedral_angle_d	16.455
f_angle_d	1.614
f_chiral_restr	0.089
f_bond_d	0.015
f_plane_restr	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	16406
Nucleic Acid Atoms
Solvent Atoms	347
Heterogen Atoms	145

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing