4ETO

Structure of S100A4 in complex with non-muscle myosin-IIA peptide

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2Q91

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	0.1 M HEPES pH 7.0, 30% (v/v) Jeffamine ED-2001, Vapor diffusion, Sitting drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.8	31.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 30.279	α = 90
b = 91.989	β = 112.6
c = 32.864	γ = 90

Symmetry
Space Group	P 1 21 1

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 210		2011-02-17		SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.9793	NSLS	X4A

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	1.54	50	99.6	0.063	9.9	3.6		24461

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	1.54	1.57	100		0.496		3.5	1214

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	2Q91	1.54	45.99	24415	1247	99.49	0.2111	0.2089	0.2513	RANDOM	20.1365

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]
-0.14		-0.77	-0.4		-0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.567
r_dihedral_angle_3_deg	15.523
r_dihedral_angle_4_deg	11.365
r_scangle_it	5.278
r_dihedral_angle_1_deg	5.231
r_scbond_it	3.545
r_mcangle_it	2.133
r_angle_refined_deg	1.823
r_mcbond_it	1.232
r_chiral_restr	0.129
r_bond_refined_d	0.02
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1530
Nucleic Acid Atoms
Solvent Atoms	86
Heterogen Atoms	4

Software

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