7MKR

Crystal structure of the GH12 domain from Acidothermus cellulolyticus GuxA

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3B7M	PDB entry 3B7M

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	298	10% PEG8000, 0.2 M zinc chloride, 0.1 M sodium cacodylate

Crystal Properties
Matthews coefficient	Solvent content
3.15	60.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.182	α = 90
b = 66.182	β = 90
c = 127.893	γ = 120

Symmetry
Space Group	P 31 2 1

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	Bruker Platinum 135		2008-03-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER X8 PROTEUM	1.54178

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	1.5	27.98	99.7	0.052	0.997	10.3	1.9		52722

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.5	1.53	97.4		0.329	0.654	2.2	1.8

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	PDB entry 3B7M	1.5	27.98	52550	2663	99.676	0.131	0.1291	0.1711	11.627

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]
-0.096	-0.048		-0.096		0.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.967
r_dihedral_angle_4_deg	28.096
r_dihedral_angle_1_deg	18.244
r_dihedral_angle_3_deg	11.838
r_dihedral_angle_other_3_deg	10.433
r_lrange_it	5.406
r_lrange_other	5.405
r_rigid_bond_restr	3.361
r_scangle_it	2.814
r_scangle_other	2.814
r_mcangle_it	2.591
r_mcangle_other	2.591
r_scbond_it	2.5
r_scbond_other	2.499
r_angle_refined_deg	2.049
r_mcbond_it	1.908
r_mcbond_other	1.898
r_angle_other_deg	1.657
r_metal_ion_refined	0.319
r_symmetry_xyhbond_nbd_refined	0.306
r_nbd_other	0.283
r_xyhbond_nbd_refined	0.261
r_nbd_refined	0.245
r_symmetry_nbd_other	0.212
r_symmetry_nbd_refined	0.188
r_nbtor_refined	0.172
r_symmetry_metal_ion_refined	0.123
r_chiral_restr	0.102
r_symmetry_nbtor_other	0.093
r_bond_refined_d	0.017
r_gen_planes_refined	0.012
r_gen_planes_other	0.003
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1773
Nucleic Acid Atoms
Solvent Atoms	473
Heterogen Atoms	45

Software

Software
Software Name	Purpose
REFMAC	refinement
PROTEUM PLUS	data reduction
PROTEUM PLUS	data scaling
MOLREP	phasing