1GQK | pdb_00001gqk

Structure of Pseudomonas cellulosa alpha-D-glucuronidase complexed with glucuronic acid

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		NATIVE ALPHA-D-GLUCURONIDASE

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8		30MG/ML, 15% PEG3350, 250MM MGCL2, 5MM TRIS PH8.0, 20% ETHYLENE GLYCOL 100MM GLUCURONIC ACID, pH 8.00

Crystal Properties
Matthews coefficient	Solvent content
2.4	47.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.707	α = 115.34
b = 74.879	β = 93.06
c = 87.481	γ = 109.2

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	IMAGE PLATE	MARRESEARCH	OSMICS CONFOCAL MULTILAYER	2001-08-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R

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	97.3	0.082	9.8	2.5		113754

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	1.93	94.1		0.353	2.2	2.4

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	NATIVE ALPHA-D-GLUCURONIDASE	1.9	19.73	111807	869	97.3	0.152	0.151	0.16	0.186	0.19	RANDOM	16.67

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]
1.26	0.53	-0.1	0.02	-0.53	-1.4

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.88
r_dihedral_angle_1_deg	4.301
r_scangle_it	3.398
r_scbond_it	2.238
r_angle_other_deg	1.812
r_angle_refined_deg	1.485
r_mcangle_it	1.335
r_mcbond_it	0.799
r_nbtor_other	0.244
r_nbd_refined	0.224
r_nbd_other	0.195
r_symmetry_vdw_other	0.192
r_symmetry_vdw_refined	0.156
r_xyhbond_nbd_refined	0.119
r_chiral_restr	0.108
r_symmetry_hbond_refined	0.083
r_xyhbond_nbd_other	0.069
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
r_gen_planes_other	0.004
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11376
Nucleic Acid Atoms
Solvent Atoms	1285
Heterogen Atoms	82

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling