6ZYH

Crystal structure of GRP78 (70kDa heat shock protein 5 / BiP) ATPase domain in complex with ADP and calcium

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3IUC

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5	293	26% PEG6000, 0.2M CaCl2, 0.1MNaOAc Ph5

Crystal Properties
Matthews coefficient	Solvent content
2.37	48.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.359	α = 78.07
b = 51.862	β = 86.72
c = 93.082	γ = 62.28

Symmetry
Space Group	P 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	PIXEL	DECTRIS PILATUS 6M-F		2019-06-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.97628	Diamond	I03

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	1.88	29.14	97.4	0.063	0.999	18.2	8.9		62200

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.88	1.92			0.989	0.669

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3IUC	1.88	29.13	59027	3141	97.56	0.2097	0.2088	0.2249	RANDOM	32.466

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	0.04	1.21	-0.49	-0.54	-0.58

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.267
r_dihedral_angle_3_deg	11.591
r_dihedral_angle_4_deg	9.599
r_dihedral_angle_1_deg	5.397
r_angle_refined_deg	1.163
r_angle_other_deg	1.101
r_chiral_restr	0.038
r_gen_planes_refined	0.003
r_bond_refined_d	0.002
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.267
r_dihedral_angle_3_deg	11.591
r_dihedral_angle_4_deg	9.599
r_dihedral_angle_1_deg	5.397
r_angle_refined_deg	1.163
r_angle_other_deg	1.101
r_chiral_restr	0.038
r_gen_planes_refined	0.003
r_bond_refined_d	0.002
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5802
Nucleic Acid Atoms
Solvent Atoms	218
Heterogen Atoms	58

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
xia2	data reduction
Aimless	data scaling
PHASER	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.