1XCH

MYOGLOBIN (HORSE HEART) MUTANT WITH LEU 104 REPLACED BY ASN (L104N)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.4		20 MM TRIS/HCL, 1MM EDTA, PH 8.4, 8 MG/ML PROTEIN 69% AMMONIUM SULFATE

Crystal Properties
Matthews coefficient	Solvent content
1.88	34.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.566	α = 90
b = 28.872	β = 107.17
c = 35.882	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		1992-02-17	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R

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	1.7	35	83	0.084	8.5	3.91		12442		2	16.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	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		1.7	6	11726	11725		83	0.179		18.3

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_staggered_tor	17.2
p_scangle_it	4.6
p_scbond_it	3.1
p_mcangle_it	2.5
p_planar_tor	1.9
p_mcbond_it	1.7
p_singtor_nbd	0.199
p_hb_or_metal_coord	0.195
p_multtor_nbd	0.173
p_xyhbond_nbd	0.166
p_planar_d	0.055
p_angle_d	0.037
p_plane_restr	0.015
p_bond_d	0.014
p_chiral_restr	0.013
p_angle_deg
p_xhyhbond_nbd
p_orthonormal_tor
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1195
Nucleic Acid Atoms
Solvent Atoms	62
Heterogen Atoms	47

Software

Software
Software Name	Purpose
GPRLSA	refinement
RIGAKU	data reduction
RIGAKU	data scaling