2P2O | pdb_00002p2o

Crystal structure of maltose transacetylase from Geobacillus kaustophilus P2(1) crystal form

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2IC7	PDB ENTRY 2IC7

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	1 MICROLITER DROPS CONTAINING EQUAL VOLUMES OF PROTEIN CONCENTRATE (10 MG/ML) AND RESERVOIR SOLUTION CONTAINING 0.1 M SODIUM HEPES, 2% V/V PEG400 IN 2.0 M AMMONIUM SULFATE, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.472	α = 90
b = 122.458	β = 97.88
c = 72.541	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	ROSENBAUM	2006-08-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	0.97243	APS	22-ID

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	1.74	50	92.3	0.047	15	3.2		107292		1

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	1.74	1.8	65.6		0.22	4.53	2.9	7577

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2IC7	1.74	20	101688	101688	5500	100	0.18631	0.18631	0.18353	0.1825	0.2375	RANDOM	20.907

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]
0.47		2.41	-0.48		0.66

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.838
r_dihedral_angle_4_deg	16.29
r_dihedral_angle_3_deg	13.346
r_dihedral_angle_1_deg	5.949
r_scangle_it	3.711
r_scbond_it	2.341
r_angle_refined_deg	1.44
r_mcangle_it	1.338
r_mcbond_it	0.889
r_nbtor_refined	0.306
r_symmetry_vdw_refined	0.24
r_nbd_refined	0.192
r_symmetry_hbond_refined	0.187
r_xyhbond_nbd_refined	0.162
r_chiral_restr	0.112
r_bond_refined_d	0.016
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8639
Nucleic Acid Atoms
Solvent Atoms	1167
Heterogen Atoms

Software

Software
Software Name	Purpose
PHASER	phasing
REFMAC	refinement
SERGUI	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
CCP4	phasing