4HSZ | pdb_00004hsz

Structure of truncated (delta8C) S100A4

X-RAY DIFFRACTION

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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, Magnesium chloride, 15% PEG 4000, Vapor diffusion, Sitting drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.96	37.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 28.802	α = 95.49
b = 34.356	β = 95.29
c = 95.313	γ = 114.82

Symmetry
Space Group	P 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 315		2011-04-03		SINGLE WAWELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	1.075	NSLS	X29A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.25	50	96.4	0.063	0.046	11.2	2.1	14935	14935			30

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	2.25	2.29	94.1		0.422		1.9	781

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2Q91	2.25	46.926	14934	14934	751	95.9	0.2307	0.2307	0.2281	0.2264	0.2772	0.2777	RANDOM	56.2085

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]
1.78	-0.56	1.6	-2.97	-0.95	0.83

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.906
r_dihedral_angle_4_deg	14.836
r_dihedral_angle_3_deg	14.644
r_scangle_it	5.886
r_dihedral_angle_1_deg	4.46
r_scbond_it	3.734
r_mcangle_it	2.197
r_mcbond_it	1.095
r_angle_refined_deg	0.984
r_chiral_restr	0.063
r_bond_refined_d	0.007
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2890
Nucleic Acid Atoms
Solvent Atoms	16
Heterogen Atoms	8

Software

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