1JUG

LYSOZYME FROM ECHIDNA MILK (TACHYGLOSSUS ACULEATUS)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4LYZ	PDB ENTRY 4LYZ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.3		pH 6.3

Crystal Properties
Matthews coefficient	Solvent content
2.05	42

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.12	α = 90
b = 41.98	β = 91.04
c = 38.09	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	IMAGE PLATE	RIGAKU	MIRRORS	1994-09-26	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	1.9		90	0.074	0.077		4.3		8418		-3

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)
	1.9	1.97	82		0.142		2

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT (EXCEPT LAST ROUND OF 4 CYCLES)	PDB ENTRY 4LYZ	1.9	7	8038	8038	852	90	0.169	0.17	0.168	0.229	RANDOM

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_transverse_tor	23
p_staggered_tor	22
p_scangle_it	4.7
p_planar_tor	3.6
p_scbond_it	3.1
p_mcangle_it	2.1
p_mcbond_it	1.4
p_multtor_nbd	0.25
p_xyhbond_nbd	0.2
p_singtor_nbd	0.19
p_chiral_restr	0.137
p_angle_d	0.042
p_planar_d	0.041
p_bond_d	0.014
p_angle_deg
p_hb_or_metal_coord
p_plane_restr
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1002
Nucleic Acid Atoms
Solvent Atoms	65
Heterogen Atoms	1

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
X-PLOR	model building
PROLSQ	refinement
X-PLOR	refinement
X-PLOR	phasing