6GNG

Granule Bound Starch Synthase I from Cyanophora paradoxa bound to acarbose and ADP

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3VUE	3vue, 2qzs
experimental model	PDB	2QZS	3vue, 2qzs

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.4	288	40 mM citric acid, 60 mM bis-tris propane pH 6.4 and 20% PEG 3350, 0.025 M chromium chloride, acarbose, ADP

Crystal Properties
Matthews coefficient	Solvent content
2.43	49.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.3	α = 90
b = 106.1	β = 90
c = 175.5	γ = 90

Symmetry
Space Group	P 21 21 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	PIXEL	DECTRIS PILATUS3 2M		2012-11-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2	0.873	ESRF	ID23-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	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	2.9	200	90.8	0.371	0.968	4.59	3.5		26755

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.9	3	92.6		2.49	0.429	0.72	3.4

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3vue, 2qzs	2.95	20	24587	760	90.51	0.27344	0.27248	0.29	0.30293	0.31	RANDOM	62.378

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]
-5.18			11.62		-6.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.049
r_dihedral_angle_3_deg	19.611
r_dihedral_angle_4_deg	17.408
r_long_range_B_refined	8.822
r_long_range_B_other	8.822
r_dihedral_angle_1_deg	7.289
r_mcangle_it	3.984
r_mcangle_other	3.984
r_scangle_other	3.532
r_mcbond_it	2.331
r_mcbond_other	2.331
r_scbond_it	2.011
r_scbond_other	2.011
r_angle_refined_deg	1.464
r_angle_other_deg	1.008
r_chiral_restr	0.091
r_bond_refined_d	0.009
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.002
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_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8107
Nucleic Acid Atoms
Solvent Atoms	4
Heterogen Atoms	142

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing