2PB1

Exo-B-(1,3)-Glucanase from Candida Albicans in complex with unhydrolysed and covalently linked 2,4-dinitrophenyl-2-deoxy-2-fluoro-B-D-glucopyranoside at 1.9 A

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.3	293	PEG 8000, Hepes, CaCl2, pH 7.3, temperature 293K, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.149	α = 90
b = 65.586	β = 90
c = 96.966	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	293	IMAGE PLATE	RIGAKU RAXIS II		1997-02-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.5418

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	1.9	20	91.6	0.047	14.8		30898	28359

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	1.9	1.97	91.4		0.209			2779

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	PDB entry 1EQP	1.9	19.92	28340	1182	91.72	0.135	0.133	0.162	RANDOM	20.534

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
r_dihedral_angle_2_deg	38.616
r_dihedral_angle_4_deg	16.96
r_dihedral_angle_3_deg	12.747
r_dihedral_angle_1_deg	5.84
r_scangle_it	3.307
r_scbond_it	2.335
r_mcangle_it	1.452
r_angle_refined_deg	1.334
r_mcbond_it	1.042
r_angle_other_deg	0.975
r_mcbond_other	0.237
r_symmetry_vdw_other	0.228
r_nbd_refined	0.211
r_symmetry_hbond_refined	0.201
r_xyhbond_nbd_refined	0.198
r_nbd_other	0.197
r_nbtor_refined	0.187
r_symmetry_vdw_refined	0.143
r_nbtor_other	0.09
r_chiral_restr	0.086
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3214
Nucleic Acid Atoms
Solvent Atoms	274
Heterogen Atoms	35

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
AMoRE	phasing