3BC1

Crystal Structure of the complex Rab27a-Slp2a

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2IF0	PDB ENTRY 2IF0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	289	Na Citrate, Cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.05	39.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.505	α = 90
b = 77.777	β = 90
c = 115.011	γ = 90

Symmetry
Space Group	P 21 21 21

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	mirrors	2007-10-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	1.0	Photon Factory	BL-5A

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	1.8	30.345	95.7	0.093	6.5	2.6		45347			27.5

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	1.8	1.86	98.6		0.634	1.25	2.5	4408

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2IF0	1.8	30	45347	41151	2209	95.77	0.20145	0.19914	0.24474	RANDOM	17.074

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]
0.96			-0.35		-0.61

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.233
r_dihedral_angle_4_deg	16.74
r_dihedral_angle_3_deg	13.246
r_dihedral_angle_1_deg	5.297
r_scangle_it	1.78
r_scbond_it	1.199
r_angle_refined_deg	1.054
r_angle_other_deg	0.825
r_mcangle_it	0.75
r_mcbond_it	0.676
r_nbd_refined	0.204
r_symmetry_vdw_other	0.201
r_nbd_other	0.182
r_nbtor_refined	0.176
r_symmetry_hbond_refined	0.152
r_xyhbond_nbd_refined	0.143
r_mcbond_other	0.104
r_symmetry_vdw_refined	0.099
r_nbtor_other	0.081
r_chiral_restr	0.058
r_bond_refined_d	0.007
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3773
Nucleic Acid Atoms
Solvent Atoms	351
Heterogen Atoms	66

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing