4GJF

Crystal structure of the amino-terminal domain of human cardiac troponin C mutant L29Q in complex with cadmium

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	298	cadmium sulphate octahydrate 0.02M, sodium acetate 0.6M, 0.1M Tris-HCl, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.97	37.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.25	α = 90
b = 49.25	β = 90
c = 113.378	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	MARMOSAIC 300 mm CCD		2011-07-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CLSI BEAMLINE 08ID-1	0.97949	CLSI	08ID-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	1.9	50	99.7	0.062	16.6	9.5	7012	6990	2	-3

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	1.9	1.97	99.8		0.327		9.8	662

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	1.9	42.65	6561	6891	330	98.91	0.1539	0.1433	0.1416	0.1777	RANDOM	40.5142

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]
0.88	0.44		0.88		-1.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	43.376
r_dihedral_angle_4_deg	22.994
r_dihedral_angle_3_deg	15.464
r_scangle_it	9.173
r_dihedral_angle_1_deg	6.595
r_scbond_it	6.11
r_mcangle_it	3.984
r_rigid_bond_restr	3.483
r_mcbond_it	2.429
r_angle_refined_deg	1.64

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	43.376
r_dihedral_angle_4_deg	22.994
r_dihedral_angle_3_deg	15.464
r_scangle_it	9.173
r_dihedral_angle_1_deg	6.595
r_scbond_it	6.11
r_mcangle_it	3.984
r_rigid_bond_restr	3.483
r_mcbond_it	2.429
r_angle_refined_deg	1.64
r_chiral_restr	0.109
r_bond_refined_d	0.016
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	674
Nucleic Acid Atoms
Solvent Atoms	45
Heterogen Atoms	19

Software

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

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.