Experiment: 4C3Z

Nucleotide-free crystal structure of nucleotide-binding domain 1 from human MRP1 supports a general-base catalysis mechanism for ATP hydrolysis.

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2CBZ	PDB ENTRY 2CBZ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5		25% PEG 3.350, 0.2M AMSO4, 0.1M BISTRIS PH5.5

Crystal Properties
Matthews coefficient	Solvent content
2.69	54.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.299	α = 90
b = 64.299	β = 90
c = 65.491	γ = 120

Symmetry
Space Group	P 31

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		2013-02-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SOLEIL BEAMLINE PROXIMA 1		SOLEIL	PROXIMA 1

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	2.1	42.42	99.9	0.07	7.7	3.8		17692		1.9	37.73

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.16	100		0.61	1.9	3.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 2CBZ	2.1	42.423	1.96	17635	865	99.72	0.1651	0.1636	0.174	0.1941	0.2035

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.096
f_angle_d	1.178
f_chiral_restr	0.079
f_bond_d	0.009
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1758
Nucleic Acid Atoms
Solvent Atoms	81
Heterogen Atoms	30

Software

Software
Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
Aimless	data scaling
PHASER	phasing