1VLQ | pdb_00001vlq

Crystal structure of Acetyl xylan esterase (TM0077) from Thermotoga maritima at 2.10 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION,SITTING DROP,NANODROP	4.2	293	20% PEG-300, 10% glycerol, 0.1M Phosphate-citrate pH 4.2 0.2 M (NH4)2SO4 4.5, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.93	57.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 152.64	α = 90
b = 130.952	β = 118.93
c = 157.815	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	100	CCD	ADSC QUANTUM 315		2001-05-02	M	SINGLE WAVELENGTH
2	1	x-ray		M	MAD
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2		SSRL	BL9-2
2	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.918370,0.979126	SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.1	29.56	93	0.09	9.1	3.8		293140			32.49

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2	2.1	2.21	67.2		0.433	2.6	3.5	30908

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	MAD	THROUGHOUT	2.1	29.56	278371	14726	92.77	0.18554	0.18354	0.19	0.22336	0.23	RANDOM	24.959

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]
-1.71		-0.82	2.25		-1.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.549
r_dihedral_angle_4_deg	17.373
r_dihedral_angle_3_deg	14.046
r_dihedral_angle_1_deg	6.308
r_scangle_it	6.035
r_scbond_it	4.775
r_mcangle_it	2.593
r_mcbond_it	2.176
r_angle_refined_deg	1.477
r_angle_other_deg	0.927
r_symmetry_vdw_other	0.333
r_symmetry_vdw_refined	0.214
r_symmetry_hbond_refined	0.209
r_nbd_refined	0.206
r_mcbond_other	0.198
r_nbd_other	0.193
r_nbtor_refined	0.188
r_xyhbond_nbd_refined	0.163
r_chiral_restr	0.085
r_nbtor_other	0.085
r_bond_refined_d	0.018
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	31173
Nucleic Acid Atoms
Solvent Atoms	2464
Heterogen Atoms	6

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
SHARP	phasing
autoSHARP	phasing
SHELX	model building
WARP	model building
REFMAC	refinement
CCP4	data scaling
SHELX	phasing
ARP/wARP	model building