2PEZ | pdb_00002pez

Crystal structrue of deletion mutant of APS-kinase domain of human PAPS-synthetase 1 in complex with cyclic PAPS and dADP

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2PEY	pdb entry 2PEY

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	293	reservoir: 16-20% PEG 3350, 0.25-0.15 M diammonium hydrogen citrate, drop: 3.2 mg/ml protein, 2mM dADP, 2mM PAPS, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.09	α = 90
b = 59.4	β = 90
c = 139.02	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	193	CCD	MARMOSAIC 225 mm CCD			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM	1.000	APS	22-BM

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.4	30	88	0.072	5.1	15.73	4.2	73074	64712			19.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.4	1.48	87		0.352	30.2	4.3	3.12	11674

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	pdb entry 2PEY	1.4	20	57725	6493	87.89	0.19695	0.19433	0.1918	0.21981	0.2173	RANDOM	16.825

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]
1.02			-0.16		-0.87

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.554
r_dihedral_angle_4_deg	14.493
r_dihedral_angle_3_deg	12.651
r_dihedral_angle_1_deg	5.351
r_scangle_it	3.965
r_scbond_it	2.644
r_angle_refined_deg	1.937
r_mcangle_it	1.65
r_mcbond_it	1.131
r_nbtor_refined	0.314
r_xyhbond_nbd_refined	0.237
r_nbd_refined	0.215
r_symmetry_vdw_refined	0.183
r_symmetry_hbond_refined	0.16
r_chiral_restr	0.099
r_bond_refined_d	0.013
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2600
Nucleic Acid Atoms
Solvent Atoms	331
Heterogen Atoms	82

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
XDS	data reduction
XDS	data scaling
MOLREP	phasing