1W2U | pdb_00001w2u

X-RAY CRYSTAL STRUCTURE OF THE CATALYTIC DOMAIN OF HUMICOLA GRISEA CEL12A IN COMPLEX WITH A SOAKED THIO CELLOTETRAOSE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		3.1		CRYSTALS GREW FROM A PROTEIN STOCK SOLUTION CONTAINING 1MG/ML PROTEIN IN 0.05 M BIS TRIS PROPANE AND 0.05 M AMMONIUM ACETATE, PH 8 CRYSTALS WERE CRYOPROTECTED IN UNBUFFERED 50% MME PEG 2000

Crystal Properties
Matthews coefficient	Solvent content
1.8	30.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.345	α = 90
b = 49.345	β = 90
c = 165.962	γ = 90

Symmetry
Space Group	P 43 21 2

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 CCD		2002-02-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2		ESRF	ID14-2

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	1.52	42.26	99.7	0.088	20.4	9.7		32667

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	1.5	1.52	99.2		0.316	13.8

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	OTHER	THROUGHOUT	1.52	42.26	31368	1027	100	0.144	0.143	0.1566	0.179	0.1898	RANDOM	9.56

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]
0.29			0.29		-0.58

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	7.116
r_angle_other_deg	3.8
r_scangle_it	2.616
r_scbond_it	1.69
r_angle_refined_deg	1.354
r_mcangle_it	1.106
r_mcbond_it	0.595
r_symmetry_vdw_other	0.304
r_nbd_other	0.279
r_nbd_refined	0.181
r_symmetry_vdw_refined	0.174
r_symmetry_hbond_refined	0.144
r_nbtor_other	0.111
r_xyhbond_nbd_refined	0.104
r_chiral_restr	0.089
r_bond_refined_d	0.009
r_gen_planes_other	0.008
r_gen_planes_refined	0.006
r_bond_other_d
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
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	1832
Nucleic Acid Atoms
Solvent Atoms	257
Heterogen Atoms	63

Software

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