1N7K

Unique tetrameric structure of deoxyribose phosphate aldolase from Aeropyrum pernix

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.2	293	pH 4.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.83	56.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.293	α = 90
b = 84.185	β = 90
c = 87.238	γ = 90

Symmetry
Space Group	P 21 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	283	CCD	ADSC QUANTUM 4		2002-06-28	M	MIRAS

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-6A	1.00	Photon Factory	BL-6A

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	15	99.8	0.052	9.3	7.1	37249	38099			14.6

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	2.11	98.4		0.157	2	6.2	5397

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIRAS	THROUGHOUT	2	14.85	1	37249	3738	97.8	0.224	0.224	0.263	RANDOM	21.1

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]
-1.21			9.38		-8.18

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.7
c_scangle_it	3.27
c_scbond_it	2.33
c_mcangle_it	1.45
c_angle_deg	1.3
c_mcbond_it	1.09
c_improper_angle_d	0.92
c_bond_d	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3432
Nucleic Acid Atoms
Solvent Atoms	199
Heterogen Atoms

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
SOLVE	phasing
RESOLVE	model building
CNS	refinement
CCP4	data scaling
RESOLVE	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.