3C28

Crystal structure of the product synapse complex

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.6	291	MPD, SODIUM ACETATE, CALCIUM Chloride, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
3.16	61.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 108.254	α = 90
b = 122.453	β = 90
c = 178.991	γ = 90

Symmetry
Space Group	C 2 2 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	Monochromator	2002-07-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	1.1	NSLS	X25

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	50	99.8	0.073	14.2	1	41399	41399	3	1

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)
	2.5	2.57	98.1		0.323			3363

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		THROUGHOUT	1CRX	2.6	40.1	35014	36885	1871	99.95	0.228	0.225	0.292	RANDOM	49.941

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]
0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.554
r_dihedral_angle_4_deg	15.77
r_dihedral_angle_3_deg	15.765
r_dihedral_angle_1_deg	6.05
r_scangle_it	1.931
r_angle_refined_deg	1.364
r_scbond_it	1.173
r_angle_other_deg	0.952
r_mcangle_it	0.807
r_mcbond_it	0.743
r_symmetry_vdw_other	0.261
r_nbd_refined	0.218
r_symmetry_hbond_refined	0.215
r_nbd_other	0.206
r_nbtor_refined	0.193
r_xyhbond_nbd_refined	0.183
r_symmetry_vdw_refined	0.173
r_nbtor_other	0.084
r_mcbond_other	0.07
r_chiral_restr	0.062
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4884
Nucleic Acid Atoms	1394
Solvent Atoms	324
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
AMoRE	phasing