3F9V

Crystal Structure Of A Near Full-Length Archaeal MCM: Functional Insights For An AAA+ Hexameric Helicase

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	291	50mM NaCl, 65mM CalCl2, 20% MPD, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
4.88	74.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 202.526	α = 90
b = 202.526	β = 90
c = 128.243	γ = 90

Symmetry
Space Group	I 41 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	93	CCD	ADSC		2007-10-29		SAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	0.97940	ALS	8.2.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	4.35	30					7760

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	4.35	30	7390	343	82.06	0.415	0.412	0.481	RANDOM	185.302

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]
3.86			3.86		-7.73

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	7.159
r_angle_refined_deg	1.195
r_symmetry_vdw_refined	0.296
r_nbtor_refined	0.292
r_nbd_refined	0.288
r_mcangle_it	0.252
r_xyhbond_nbd_refined	0.223
r_mcbond_it	0.139
r_chiral_restr	0.067
r_bond_refined_d	0.008

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	7.159
r_angle_refined_deg	1.195
r_symmetry_vdw_refined	0.296
r_nbtor_refined	0.292
r_nbd_refined	0.288
r_mcangle_it	0.252
r_xyhbond_nbd_refined	0.223
r_mcbond_it	0.139
r_chiral_restr	0.067
r_bond_refined_d	0.008
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2944
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
CNS	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.