2Q8T | pdb_00002q8t

Crystal Structure of the CC chemokine CCL14

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1B3A	PDB entry 1B3A

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	298	0.2 M sodium formate, 20% w/v PEG 3350, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.69	54.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 94.345	α = 90
b = 78.073	β = 121.65
c = 59.639	γ = 90

Symmetry
Space Group	C 1 2 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	Vertical focusing mirror; single crystal Si(311) bent monochromator (horizontal focusing)	2004-05-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-1	1.00	SSRL	BL9-1

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	2.23	50	98.9	0.039	30.98	4.2		17814

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)
	2.23	2.31	99.2		0.1	14.3	4.2	1764

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1B3A	2.23	30.95	17814	910	98.88	0.19	0.187	0.2018	0.234	0.2482	RANDOM	37.739

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]
-1.14		-1.08	0.3		-0.29

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.562
r_dihedral_angle_4_deg	20.079
r_dihedral_angle_3_deg	17.892
r_dihedral_angle_1_deg	6.072
r_scangle_it	4.719
r_scbond_it	3.245
r_mcangle_it	1.994
r_angle_refined_deg	1.685
r_mcbond_it	1.237
r_symmetry_hbond_refined	0.35
r_nbtor_refined	0.314
r_nbd_refined	0.224
r_xyhbond_nbd_refined	0.189
r_symmetry_vdw_refined	0.18
r_chiral_restr	0.111
r_bond_refined_d	0.021
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2130
Nucleic Acid Atoms
Solvent Atoms	184
Heterogen Atoms

Software

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