Experiment: 3ZWH

Ca2+-bound S100A4 C3S, C81S, C86S and F45W mutant complexed with myosin IIA

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3C1V	PDB ENTRY 3C1V

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.6		30% PEG 4000, 0.2 M NA-ACETATE PH 5.6, 0.1 M NA-CITRATE.

Crystal Properties
Matthews coefficient	Solvent content
2.37	48.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.972	α = 90
b = 63.972	β = 90
c = 138.984	γ = 90

Symmetry
Space Group	P 41 21 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	MARRESEARCH	KB MIRROR	2011-06-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2		ESRF	ID23-2

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	19.4	99.9	0.16	18.44	14.3		22196		-3	20.12

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	2.1	99.7		0.95	3.54	14.6

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 3C1V	1.94	19.936	1.35	22109	1129	99.93	0.1768	0.1753	0.174	0.2064	0.204	24.04

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]
0.143			0.143		-0.2861

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	12.497
f_angle_d	0.671
f_chiral_restr	0.051
f_bond_d	0.007
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1907
Nucleic Acid Atoms
Solvent Atoms	201
Heterogen Atoms	18

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing