3OTI | pdb_00003oti

Crystal Structure of CalG3, Calicheamicin Glycostyltransferase, TDP and calicheamicin T0 bound form

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	298	Protein Solution (10mg/ml CalG3 protein, 10mM Tris pH 7.5, 50mM NaCl, 25mM TDP, calicheamicin T0) mixed in a 1:1 ratio with the well solution (28% MEPEG2K, 160mM Na3Citrate, 100mM NaAcetate pH 4.5) Cryoprotected with 20% Ethylene Glycol, 28% MEPEG2K, 160mM Na3Citrate, 100mM NaAcetate pH 4.5, vapor diffusion, hanging drop, temperature 298K, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.21	44.35

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.567	α = 90
b = 135.09	β = 95.75
c = 62.093	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	MARMOSAIC 300 mm CCD	mirrors and beryllium lenses	2010-08-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	0.9794	APS	21-ID-D

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	1.597	50	98	0.095	10.8	7.1		96516

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	1.6	1.63	84.8		0.388		4.6	4183

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1.597	29.234	0.11	93367	1948	94.69	0.1528	0.1522	0.1496	0.1806	0.179	18.584

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]
3.2406		1.1844	-2.1103		-1.4631

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	20.385
f_angle_d	1.557
f_chiral_restr	0.1
f_bond_d	0.013
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5750
Nucleic Acid Atoms
Solvent Atoms	941
Heterogen Atoms	128

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing