2IWA

Unbound glutaminyl cyclotransferase from Carica papaya.

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5		CRYSTALS WERE OBTAINED BY THE SITTING-DROP VAPOUR DIFFUSION METHOD EMPLOYING CRYSCHEM-PLATES FROM EQUIVOLUMETRIC DROPS CONTAINING PROTEIN SOLUTION (46-52 MG/ML IN 10MM HEPES PH 7.0, 150MM NACL) AND 28-32% PEG4000, 0.2M MGCL2, 0.1M TRIS-HCL PH 8.5 AS PRECIPITATING SOLUTION.

Crystal Properties
Matthews coefficient	Solvent content
2.58	57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 97.74	α = 90
b = 97.74	β = 90
c = 64.974	γ = 120

Symmetry
Space Group	P 65

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 CCD			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2		ESRF	ID14-2

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	1.6	39	100	0.05	18.2	7.3		46684		1.5

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	1.6	1.69	99.9		0.38	5.4	7.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SIRAS	THROUGHOUT	1.6	39.04	45943	710	100	0.148	0.148	0.168	RANDOM	23.06

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]
0.51	0.26		0.51		-0.77

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.87
r_dihedral_angle_4_deg	16.869
r_dihedral_angle_3_deg	12.238
r_dihedral_angle_1_deg	6.492
r_scangle_it	3.435
r_scbond_it	2.349
r_angle_refined_deg	1.533
r_mcangle_it	1.396
r_mcbond_it	1.006
r_nbtor_refined	0.316
r_symmetry_vdw_refined	0.209
r_nbd_refined	0.203
r_symmetry_hbond_refined	0.163
r_xyhbond_nbd_refined	0.128
r_chiral_restr	0.123
r_bond_refined_d	0.015
r_gen_planes_refined	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2092
Nucleic Acid Atoms
Solvent Atoms	309
Heterogen Atoms	59

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
XPREP	phasing
SHELXD	phasing
SHELXE	phasing