2HLC

HL COLLAGENASE STRUCTURE AT 1.7A RESOLUTION

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	vapor diffusion - hanging drop in microgravity	7		PROTEIN CONCENTRATION WAS 10MG/ML. IT WAS CRYSTALLIZED IN 1.4M AMMONIUM SULFATE BY HANGING DROP METHOD IN APCF REACTORS UNDER MICROGRAVITY (IML2 MISSION)., pH 7.0, vapor diffusion - hanging drop in microgravity

Crystal Properties
Matthews coefficient	Solvent content
2.54	50

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 111.3	α = 90
b = 111.3	β = 90
c = 165.68	γ = 90

Symmetry
Space Group	I 4 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	280	IMAGE PLATE	MARRESEARCH		1995-11-01	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LURE BEAMLINE DW32		LURE	DW32

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	15	96.3	0.047	11.4	4.4		54909			23.18

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)
	1.7	1.74	99.6		0.478	1.6	3.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	RIGID BODY	THROUGHOUT	PDB ENTRY 1HYL	1.7	8	54546	5345	96.3	0.195	0.195	0.245	RANDOM	22.6

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
x_dihedral_angle_d	26.79
x_angle_deg	1.521
x_improper_angle_d	1.261
x_bond_d	0.009
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3552
Nucleic Acid Atoms
Solvent Atoms	335
Heterogen Atoms

Software

Software
Software Name	Purpose
MOSFLM	data reduction
ROTAVATA	data reduction
X-PLOR	model building
X-PLOR	refinement
CCP4	data scaling
X-PLOR	phasing