1HTR

CRYSTAL AND MOLECULAR STRUCTURES OF HUMAN PROGASTRICSIN AT 1.62 ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.4	48.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.31	α = 90
b = 105.31	β = 90
c = 70.42	γ = 90

Symmetry
Space Group	P 42 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray

Data Collection

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.62	20	50353		96	0.179			27.75

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_orthonormal_tor	21.9
p_staggered_tor	16.5
p_scangle_it	4.6
p_mcangle_it	3.6
p_scbond_it	2.9
p_planar_tor	2.4
p_mcbond_it	2.1
p_singtor_nbd	0.24
p_xhyhbond_nbd	0.2
p_chiral_restr	0.18
p_multtor_nbd	0.17
p_angle_d	0.047
p_planar_d	0.045
p_plane_restr	0.021
p_bond_d	0.018
p_angle_deg
p_hb_or_metal_coord
p_xyhbond_nbd
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2863
Nucleic Acid Atoms
Solvent Atoms	250
Heterogen Atoms

Software

Software
Software Name	Purpose
PROLSQ	refinement
TNT	refinement