1YIV

Structure of myelin P2 protein from Equine spinal cord

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.6	293	100mM HEPES, 20%w/v PEG 4000, 15%v/v 2-propanol, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.61	52.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.846	α = 90
b = 45.846	β = 90
c = 125.778	γ = 120

Symmetry
Space Group	P 32 2 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 4		2000-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.1	1.0	SRS	PX14.1

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	1PMP	2.1	41.89	8255	414	91.51	0.18845	0.18617	0.23332	RANDOM	43.642

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]
1.67	0.84		1.67		-2.51

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.281
r_dihedral_angle_4_deg	23.951
r_dihedral_angle_3_deg	16.469
r_dihedral_angle_1_deg	6.74
r_scangle_it	3.429
r_scbond_it	2.364
r_angle_refined_deg	1.855
r_mcangle_it	1.219
r_mcbond_it	1.021
r_angle_other_deg	0.918
r_symmetry_hbond_refined	0.288
r_xyhbond_nbd_refined	0.252
r_nbd_refined	0.244
r_mcbond_other	0.217
r_nbd_other	0.198
r_nbtor_refined	0.171
r_chiral_restr	0.102
r_symmetry_vdw_refined	0.092
r_nbtor_other	0.088
r_symmetry_vdw_other	0.084
r_bond_refined_d	0.018
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1014
Nucleic Acid Atoms
Solvent Atoms	102
Heterogen Atoms	31

Software

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