3BRX | pdb_00003brx

Crystal Structure of calcium-bound cotton annexin Gh1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	289	KH2PO4/Na2HPO4, CaCl2, pH 6.0, vapor diffusion, hanging drop, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
4.31	71.46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 132.663	α = 90
b = 132.663	β = 90
c = 61.338	γ = 120

Symmetry
Space Group	P 3 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			2006-12-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.978	ESRF	BM14

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	2.5	114.89	100	0.117	0.117	5.8	5.5		21804

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.5	2.64	100		0.397	0.397	1.8	5.5	3142

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.5	35.44	21788	1116	100	0.196	0.193	0.1923	0.252	0.2437	RANDOM	25.322

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.648
r_dihedral_angle_4_deg	20.414
r_dihedral_angle_3_deg	18.145
r_dihedral_angle_1_deg	10.971
r_scangle_it	2.816
r_scbond_it	1.804
r_angle_refined_deg	1.641
r_mcangle_it	1.337
r_mcbond_it	0.737
r_nbtor_refined	0.306
r_chiral_restr	0.231
r_nbd_refined	0.231
r_symmetry_vdw_refined	0.197
r_symmetry_hbond_refined	0.175
r_metal_ion_refined	0.161
r_xyhbond_nbd_refined	0.158
r_bond_refined_d	0.011
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2543
Nucleic Acid Atoms
Solvent Atoms	261
Heterogen Atoms	28

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction