1AXK | pdb_00001axk

ENGINEERED BACILLUS BIFUNCTIONAL ENZYME GLUXYN-1

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1CPN	CIRCULARLY PERMUTED 1,3-1,4-ENDO-BETA-GLUCANASE CPMAC57 (PDB ENTRY 1CPN) AND BACILLUS CIRCULANS 1,3-ENDO-BETA-XYLANASE (PDB ENTRY 1BCX).
experimental model	PDB	1BCX	CIRCULARLY PERMUTED 1,3-1,4-ENDO-BETA-GLUCANASE CPMAC57 (PDB ENTRY 1CPN) AND BACILLUS CIRCULANS 1,3-ENDO-BETA-XYLANASE (PDB ENTRY 1BCX).

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		pH 8.5

Crystal Properties
Matthews coefficient	Solvent content
2.6	46.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.27	α = 90
b = 133.7	β = 99.76
c = 77.95	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	123	IMAGE PLATE	MARRESEARCH		1996-08-28	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14		ESRF	BM14

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	2.1	20	91.3	0.058	0.058	11.6	3.4		48499			23.98

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)
	2.1	2.21	80		0.23	0.23	3.3	3.2

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	CIRCULARLY PERMUTED 1,3-1,4-ENDO-BETA-GLUCANASE CPMAC57 (PDB ENTRY 1CPN) AND BACILLUS CIRCULANS 1,3-ENDO-BETA-XYLANASE (PDB ENTRY 1BCX).	2.1	19.96	48499	2440	91.3	0.177	0.176	0.18	0.224	0.19	RANDOM	21.7

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]
-2.18		3.806	2.168		0.464

RMS Deviations
Key	Refinement Restraint Deviation
p_staggered_tor	15.7
p_planar_tor	4.6
p_scangle_it	2.455
p_mcangle_it	2.349
p_scbond_it	1.665
p_mcbond_it	1.584
p_chiral_restr	0.133
p_angle_d	0.031
p_planar_d	0.031
p_bond_d	0.012
p_angle_deg
p_hb_or_metal_coord
p_plane_restr
p_singtor_nbd
p_multtor_nbd
p_xhyhbond_nbd
p_xyhbond_nbd
p_orthonormal_tor
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6219
Nucleic Acid Atoms
Solvent Atoms	312
Heterogen Atoms	2

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALA	data scaling
AMoRE	phasing
REFMAC	refinement
CCP4	data scaling