Experiment: 4CCA

Structure of human Munc18-2

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3C98	PDB ENTRY 3C98, CHAIN A

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	293	SITTING DROPS CONTAINING 200 NL 8.85 MG/ML MUNC18-2 PLUS 200 NL RESERVOIR SOLUTION (0.1 M MES PH 6, 10% V/V 2-METHYL-2,4-PENTANEDIOL) EQUILIBRATED AGAINST 80 UL RESERVOIRS AT 20C.

Crystal Properties
Matthews coefficient	Solvent content
2.42	59.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.55	α = 90
b = 67.55	β = 90
c = 284.651	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M	KIRKPATRICK BAEZ BIMORPH MIRROR PAIR FOR HORIZONTAL AND VERTICAL FOCUSSING	2011-05-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03		Diamond	I03

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	2.6	49	100	0.1	13.9	11.4		21395		-3	73.68

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	2.6	2.72	100		0.97	2.7	11.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 3C98, CHAIN A	2.6	47.765	1.92	21302	1095	99.93	0.2441	0.2425	0.2493	0.2748	0.2774	95.38

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]
5.1754			5.1754		-10.3508

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	12.403
f_angle_d	0.798
f_chiral_restr	0.042
f_bond_d	0.003
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4211
Nucleic Acid Atoms
Solvent Atoms	13
Heterogen Atoms	1

Software

Software
Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
Aimless	data scaling
PHASER	phasing