Experiment: 5FLW

Crystal structure of putative exo-beta-1,3-galactanase from Bifidobacterium bifidum s17

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3NQH	PDB ENTRY 3NQH

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				0.05 M CALCIUM CHLORIDE DEHYDRATE, 0.1 M BIS-TRIS PH 6.5 AND 30% (V/V) POLYETHYLENE GLYCOL MONOMETHYL 550

Crystal Properties
Matthews coefficient	Solvent content
3.24	62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.926	α = 90
b = 67.343	β = 90
c = 202.126	γ = 90

Symmetry
Space Group	P 21 21 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			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4C		NSLS	X4C

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	1.4	47.6	99.9	0.06	16.6	8		174550		2

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	1.4	1.42	99.8		1.02	1.9	7.8

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 3NQH	1.401	19.939	1.34	174374	1773	99.96	0.1618	0.1619	0.1633	0.1834	0.1864

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	16.022
f_angle_d	1.088
f_chiral_restr	0.1
f_bond_d	0.011
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4788
Nucleic Acid Atoms
Solvent Atoms	1261
Heterogen Atoms	14

Software

Software
Software Name	Purpose
PHENIX	refinement
PHASER	phasing