1W45

The 2.5 Angstroem structure of the K16A mutant of annexin A8, which has an intact N-terminus.

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1W3W	PDB ENTRY 1W3W

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				0.1M TRIS PH 7.5, 2M AMMONIUM SULPHATE, 2% PEG 400

Crystal Properties
Matthews coefficient	Solvent content
2.69	47.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.297	α = 84.42
b = 59.653	β = 83.32
c = 70.788	γ = 74.1

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	IMAGE PLATE	MAR scanner 345 mm plate	OSMIC MIRRORS	2003-12-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007

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	2.5	54	0.9	0.08	7.58	1.8		26449

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	2.5	2.62	0.9		0.29	2.04	1.4

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	PDB ENTRY 1W3W	2.51	20	22538	1210	90	0.209	0.206	0.269	RANDOM	34.24

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]
1.63	2.55	0.43	-1.15	0.53	-2.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.72
r_dihedral_angle_3_deg	18.658
r_dihedral_angle_4_deg	16.314
r_dihedral_angle_1_deg	5.412
r_scangle_it	2.667
r_scbond_it	1.665
r_angle_refined_deg	1.267
r_mcangle_it	1.26
r_mcbond_it	0.968
r_nbtor_refined	0.3
r_symmetry_vdw_refined	0.272
r_nbd_refined	0.219
r_xyhbond_nbd_refined	0.16
r_symmetry_hbond_refined	0.145
r_chiral_restr	0.087
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5026
Nucleic Acid Atoms
Solvent Atoms	27
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing