1WPG

Crystal structure of the SR CA2+-ATPase with MGF4

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1FQU	3 CYTOPLASMIC DOMAINS OF CA2+-ATPASE IN 1FQU

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICRODIALYSIS	6.1		PEG400, pH 6.10, MICRODIALYSIS

Crystal Properties
Matthews coefficient	Solvent content
3.53	63.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 102.21	α = 90
b = 275.394	β = 90.01
c = 109.945	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	IMAGE PLATE	RIGAKU RAXIS V		2003-05-30	M	SINGLE WAVELENGTH
2	1		IMAGE PLATE	MAC Science DIP-2040		2002-04-13

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL41XU	0.8	SPring-8	BL41XU
2	SYNCHROTRON	SPRING-8 BEAMLINE BL44XU	0.9	SPring-8	BL44XU

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	2.3	20	93.6	0.059	25.14	5.07		250560		-3	20.8

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	2.3	2.4	81.9		0.432	3.3	2.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3 CYTOPLASMIC DOMAINS OF CA2+-ATPASE IN 1FQU	2.3	15	2	249271	12415	93.4	0.23	0.229	0.223	0.245	RANDOM	59.3

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]
-6.74			0.31		6.43

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	22
c_scangle_it	3.86
c_mcangle_it	2.73
c_scbond_it	2.72
c_mcbond_it	1.72
c_angle_deg	1.2
c_improper_angle_d	0.79
c_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	30684
Nucleic Acid Atoms
Solvent Atoms	690
Heterogen Atoms	324

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
CNS	refinement
CNS	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.