1ZN8

Human Adenine Phosphoribosyltransferase Complexed with AMP, in Space Group P1 at 1.76 A Resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	291	15.0 % (V/V) glycerol, 25.5 % (w/V) polyethylene glycol 4000, 0.17 mol/L sodium acetate and 0.085 mol/L Tris-HCl pH 8.5 , VAPOR DIFFUSION, HANGING DROP, temperature 291 K, pH 8.50

Crystal Properties
Matthews coefficient	Solvent content
2.17	42.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.06	α = 75.41
b = 47.47	β = 68.42
c = 47.84	γ = 61.49

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		IMAGE PLATE	MARRESEARCH			M	SINGLE WAVELENGTH
2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418
2	SYNCHROTRON	LNLS BEAMLINE D03B-MX1	1.4538	LNLS	D03B-MX1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.76	44					31837

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.76	44	30208	1629	95.5	0.16	0.157	0.211	RANDOM	17.51

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]
-0.48	0.96	-0.34	-0.37	-0.24	0.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.747
r_dihedral_angle_4_deg	22.271
r_dihedral_angle_3_deg	15.397
r_dihedral_angle_1_deg	6.317
r_scangle_it	4.006
r_scbond_it	2.758
r_angle_refined_deg	1.932
r_mcangle_it	1.607
r_mcbond_it	1.467
r_angle_other_deg	0.962
r_mcbond_other	0.3
r_symmetry_vdw_other	0.295
r_symmetry_vdw_refined	0.284
r_xyhbond_nbd_refined	0.23
r_symmetry_hbond_refined	0.219
r_nbd_refined	0.214
r_nbd_other	0.203
r_nbtor_refined	0.18
r_chiral_restr	0.133
r_nbtor_other	0.088
r_bond_refined_d	0.02
r_bond_other_d	0.007
r_gen_planes_refined	0.007
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2717
Nucleic Acid Atoms
Solvent Atoms	355
Heterogen Atoms	47

Software

Software
Software Name	Purpose
REFMAC	refinement