2ING

X-ray Structure of the BRCA1 BRCT mutant M1775K

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.7	291	1.4M Ammonium sulfate, 20mM Cobalt chloride, 100mM 2-(N-Morpholino) ethanesulfonic acid, pH 6.7, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
4.67	73.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 114.34	α = 90
b = 114.34	β = 90
c = 119.878	γ = 120

Symmetry
Space Group	P 61 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	100	CCD	ADSC QUANTUM 4		2006-09-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X12B	1.000	NSLS	X12B

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	3.6	30	99.9	0.093	10.7	27.5		5744

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	3.6	3.73	100		0.53		28.9	555

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 1N5O	3.6	30	5678	501	99.01	0.251	0.247	0.302	RANDOM	148.161

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]
-1.1	-0.55		-1.1		1.64

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.721
r_dihedral_angle_3_deg	23.696
r_dihedral_angle_4_deg	11.464
r_dihedral_angle_1_deg	9.369
r_angle_refined_deg	1.635
r_angle_other_deg	0.955
r_nbd_refined	0.283
r_symmetry_vdw_refined	0.236
r_nbd_other	0.218
r_nbtor_refined	0.207
r_symmetry_vdw_other	0.203
r_xyhbond_nbd_refined	0.201
r_nbtor_other	0.096
r_chiral_restr	0.083
r_bond_refined_d	0.014
r_xyhbond_nbd_other	0.009
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1671
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	11

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling