3M45

Crystal structure of Ig1 domain of mouse SynCAM 2

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1Z9M	A MONOMER OF HUMAN SYNCAM 3 (NECTIN-LIKE MOLECULE 1) IG1, PROTEIN DATA BANK CODE 1Z9M

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1			293	0.1 M HEPES, pH 6.5-7.0, 21% PEG5000 monomethyl ether, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.16	61.04

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.847	α = 75.91
b = 50.528	β = 77.02
c = 79.851	γ = 65.18

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	CCD	ADSC QUANTUM 315		2008-11-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A		NSLS	X29A

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	2.21	50	93.9	0.092	15.27	3.6		27498		2.2	30.8

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)
	2.21	2.26	64.1		0.4	3.39	3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	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	A MONOMER OF HUMAN SYNCAM 3 (NECTIN-LIKE MOLECULE 1) IG1, PROTEIN DATA BANK CODE 1Z9M	2.21	50	2	29225	26095	1383	94	0.2	0.198	0.22	0.245	0.26	RANDOM	45.012

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]
-1.96	-0.42	1.46	2.52	-3.35	0.77

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.183
r_dihedral_angle_4_deg	23.604
r_dihedral_angle_3_deg	18.302
r_dihedral_angle_1_deg	7.3
r_scangle_it	6.023
r_scbond_it	3.619
r_angle_refined_deg	2.234
r_mcangle_it	1.794
r_mcbond_it	0.971
r_chiral_restr	0.161
r_bond_refined_d	0.023
r_gen_planes_refined	0.01
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3099
Nucleic Acid Atoms
Solvent Atoms	192
Heterogen Atoms	98

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASES	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling