3AG0

Crystal structure of carbonmonoxy human cytoglobin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	batch	8	293	20% PEG 3350, 20mM ammonium acetate, 5mM sodium dithionite, pH 8.0, batch, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.73	29.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.198	α = 90
b = 43.977	β = 90
c = 94.019	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	ADSC QUANTUM 315	K-B mirrors	2007-04-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL41XU	1.0000	SPring-8	BL41XU

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	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	2.6	50	98.6	0.104	0.112	16.31			4892		-3	36.121

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.6	2.69	100		0.498	0.54	4.5

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1V5H	2.6	19.92	4877	246	98.6	0.215	0.215	0.248	RANDOM	36.5

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]
-7.04			-2.08		9.12

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	20.7
c_scangle_it	6.48
c_scbond_it	5.04
c_mcangle_it	4.96
c_mcbond_it	3.42
c_angle_deg	1.7
c_improper_angle_d	1.29
c_bond_d	0.014
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1264
Nucleic Acid Atoms
Solvent Atoms	43
Heterogen Atoms	45

Software

Software
Software Name	Purpose
XSCALE	data scaling
MOLREP	phasing
CNS	refinement
PDB_EXTRACT	data extraction
BSS	data collection
DENZO	data reduction
SCALEPACK	data scaling