Experiment: 1HZ6

CRYSTAL STRUCTURES OF THE B1 DOMAIN OF PROTEIN L FROM PEPTOSTREPTOCOCCUS MAGNUS WITH A TYROSINE TO TRYPTOPHAN SUBSTITUTION

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		C3 DOMAIN OF PROTEIN L (UNPUBLISHED: T. WAN AND B. SUTTON)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	277	30%PEG 8000, 0.2M Ammonium Sulfate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.75	54.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.611	α = 90
b = 54.02	β = 90
c = 95.069	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	IMAGE PLATE	RIGAKU RAXIS IV	Mirrors	1999-10-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

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	1.7	25	96.3	0.074	0.08	17	4.94	120968	28825		-3	23.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.69	1.71	95.1		0.273	0.252	6.8	4.9	1031

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	C3 DOMAIN OF PROTEIN L (UNPUBLISHED: T. WAN AND B. SUTTON)	1.7	25	-3	29936	28825	1471	96.3	0.193	0.193	0.1928	0.218	0.2176	RANDOM	24.2

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]
0.55			1.1		-1.65

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	25.7
c_scangle_it	4.28
c_scbond_it	2.87
c_mcangle_it	2.48
c_mcbond_it	1.67
c_angle_deg	1.22
c_improper_angle_d	0.68
c_bond_d	0.0056

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1488
Nucleic Acid Atoms
Solvent Atoms	299
Heterogen Atoms

Software

Software
Software Name	Purpose
EPMR	phasing
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling