Experiment: 3HMS

Crystal Crystal structure of the N-terminal fragment (28-126) of the human hepatocyte growth factor/scatter factor, orthorhombic crystal form

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1NK1	PDb entry 1NK1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	298	50 mM Ammonium sulfate, 28-32% PEG 1000 or 2000, 50 mM Tris-HCl pH 8.0, 5% Isopropanol, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.82	32.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.91	α = 90
b = 42.21	β = 90
c = 52.35	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	CCD	MAR CCD 165 mm		2004-06-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 32-ID	0.99998	APS	32-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.7	50	99.6	0.062	0.062	32.7	6.8	9924	9924			14.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.7	1.76	97.1		0.4	0.4	4.1	5.8	971

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 (All)	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	PDb entry 1NK1	1.7	25.11	9924	9610	1010	96.7	0.213	0.202	0.202	0.1985	0.255	0.2548	RANDOM	22

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]
-2.02			0.86		1.16

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24.2
c_scangle_it	3.33
c_mcangle_it	2.37
c_scbond_it	2.13
c_mcbond_it	1.42
c_angle_deg	1.2
c_improper_angle_d	0.84
c_bond_d	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	748
Nucleic Acid Atoms
Solvent Atoms	108
Heterogen Atoms	5

Software

Software
Software Name	Purpose
COM-CAT	data collection
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing