1XGW

The crystal structure of human enthoprotin N-terminal domain

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1H0A	PDB ENTRY 1H0A

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5	298	15% PEG 6000, 0.2M Magnesium formate, 0.2M NaCl, 0.1M Tris-HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2	32.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 109.884	α = 90
b = 30.172	β = 90
c = 45.676	γ = 90

Symmetry
Space Group	P 21 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	100	CCD	ADSC QUANTUM 4		2003-10-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X8C		NSLS	X8C

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	1.8	50	81.2				12044		2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.8	1.86	56		0.3	4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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 ENTRY 1H0A	1.9	50	14836	10406	333	85.3	0.23	0.229	0.263	RANDOM	27

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]
0.36			-0.77		0.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.952
r_dihedral_angle_4_deg	21.893
r_dihedral_angle_3_deg	19.011
r_dihedral_angle_1_deg	4.986
r_scangle_it	3.516
r_scbond_it	2.193
r_mcangle_it	1.498
r_angle_refined_deg	1.387
r_mcbond_it	0.832
r_nbd_refined	0.211
r_symmetry_vdw_refined	0.201
r_symmetry_hbond_refined	0.186
r_xyhbond_nbd_refined	0.178
r_chiral_restr	0.108
r_bond_refined_d	0.013
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1165
Nucleic Acid Atoms
Solvent Atoms	165
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
MOLREP	phasing