3ZN6

VP16-VP17 complex, a complex of the two major capsid proteins of bacteriophage P23-77

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3ZMO	PDB ENTRIES 3ZMO AND 3ZMN
experimental model	PDB	3ZMN	PDB ENTRIES 3ZMO AND 3ZMN

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7		SITTING DROP VAPOUR DIFFUSION SYSTEM IN A 96-WELL PLATE, 100 NL OF PROTEIN MIXTURE CONSISTING OF VP16 AND VP17 (1.7 MG/ML AND 2 MG/ML, RESPECTIVELY, IN 20 MM TRIS-BUFFER PH 7.4) MIXED IN 1:1 MOLAR RATIO, WAS MIXED WITH 100 NL SOLUTION CONSISTING OF 1.1 M DIAMMONIUM TARTRATE PH 7. ONE WELL-DIFFRACTING CRYSTAL THAT WAS USED FOR DATA COLLECTION TOOK THREE MONTHS TO GROW.

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.78	α = 90
b = 69.61	β = 104.99
c = 81.62	γ = 90

Symmetry
Space Group	C 1 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	PIXEL	DECTRIS PILATUS 6M		2010-10-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I24		Diamond	I24

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	1.53	39.6	98.4	0.06	17.7	6.3		61458			23.42

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	1.53	1.57	83.3		1.02	2.9	4.4

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	PDB ENTRIES 3ZMO AND 3ZMN	1.53	22.4	61425	3110	98.1	0.173	0.1717	0.1974	RANDOM	28.93

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]
-1.0078		-2.7567	-1.256		2.2638

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	14.6
t_omega_torsion	4.1
t_angle_deg	1.07
t_bond_d	0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2878
Nucleic Acid Atoms
Solvent Atoms	395
Heterogen Atoms	2

Software

Software
Software Name	Purpose
BUSTER	refinement
xia2	data reduction
XDS	data reduction
xia2	data scaling
PHASER	phasing