1GKL

S954A mutant of the feruloyl esterase module from clostridium thermocellum complexed with ferulic acid

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		HEPES PH 7.5 100 MM, NA ACETATE 1M, CD ACETATE 50 MM, GLYCEROL 5%

Crystal Properties
Matthews coefficient	Solvent content
2.95	58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.101	α = 90
b = 108.233	β = 90
c = 112.964	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	120	CCD	ADSC CCD	MIRROR	2001-06-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.2		SRS	PX14.2

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	20	99.6	0.048	33.5	5.2		148644

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	94.5		0.136	6.6	2.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.4	19.92	148644	7782	99.6	0.144	0.143	0.15	0.16	0.16	RANDOM

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_3_deg	3.692
r_scangle_it	2.655
r_scbond_it	1.728
r_angle_other_deg	1.418
r_mcangle_it	1.352
r_mcbond_it	0.847
r_nbtor_other	0.62
r_nbd_refined	0.613
r_nbd_other	0.334
r_metal_ion_refined	0.329
r_symmetry_vdw_refined	0.255
r_symmetry_vdw_other	0.221
r_symmetry_hbond_refined	0.218
r_xyhbond_nbd_refined	0.214
r_chiral_restr	0.106
r_bond_refined_d	0.01
r_gen_planes_refined	0.007
r_bond_other_d	0.006
r_gen_planes_other	0.006
r_xyhbond_nbd_other	0.002
r_angle_refined_deg
r_dihedral_angle_1_deg
r_dihedral_angle_2_deg
r_dihedral_angle_4_deg
r_nbtor_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	4570
Nucleic Acid Atoms
Solvent Atoms	751
Heterogen Atoms	72

Software

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