2CBZ

Structure of the human Multidrug Resistance Protein 1 Nucleotide Binding Domain 1

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1XMI	PDB ENTRY 1XMI

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8		8% PEG1000, 0.1M MG ACETATE PH 5.6

Crystal Properties
Matthews coefficient	Solvent content
2.77	55.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.56	α = 90
b = 65.56	β = 90
c = 64.612	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	CCD	MARRESEARCH			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-3		ESRF	ID14-3

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	1.5	50	99.9	0.06	14.1	14.1		49722		2

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	1.5	1.58	99.9		0.43	2.9	3.8

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	PDB ENTRY 1XMI	1.5	30	47194	2490	99.9	0.161	0.16	0.187	RANDOM	17.45

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]
0.06	0.03		0.06		-0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.121
r_dihedral_angle_4_deg	19.74
r_dihedral_angle_3_deg	10.596
r_dihedral_angle_1_deg	4.912
r_scangle_it	3.513
r_scbond_it	2.235
r_mcangle_it	1.45
r_angle_refined_deg	1.194
r_mcbond_it	0.915
r_nbtor_refined	0.308
r_nbd_refined	0.198
r_symmetry_vdw_refined	0.149
r_symmetry_hbond_refined	0.109
r_xyhbond_nbd_refined	0.106
r_chiral_restr	0.073
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1752
Nucleic Acid Atoms
Solvent Atoms	284
Heterogen Atoms	32

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing