207L

MUTANT HUMAN LYSOZYME C77A

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		NATIVE HUMAN LYSOZYME

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6		pH 6.0

Crystal Properties
Matthews coefficient	Solvent content
1.94	36.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.64	α = 90
b = 60.7	β = 90
c = 32.97	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	280	IMAGE PLATE	MACSCIENCE	MIRROR-MIRROR	1993-02-01	M

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

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.75	100	75.3	0.074		2.68		8903		2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.78	42.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	NATIVE HUMAN LYSOZYME	1.8	6	8168	8168		78.6

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
p_transverse_tor	21
p_staggered_tor	17.1
p_scangle_it	2.768
p_planar_tor	2.3
p_scbond_it	1.936
p_mcangle_it	1.506
p_mcbond_it	1.066
p_xyhbond_nbd	0.202
p_singtor_nbd	0.161
p_multtor_nbd	0.157
p_chiral_restr	0.144
p_planar_d	0.042
p_angle_d	0.036
p_bond_d	0.014
p_plane_restr	0.012
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1028
Nucleic Acid Atoms
Solvent Atoms	123
Heterogen Atoms	10

Software

Software
Software Name	Purpose
WELMS	data collection
PROTEIN	data reduction
PROTEIN	model building
PROLSQ	refinement
WELMS	data reduction
PROTEIN	data scaling
PROTEIN	phasing