Experiment: 1RIV

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1AR3	PDB ENTRY 1AR3 (CONSTANT DOMAIN) + PDB ENTRY 1AXT (VARIABLE DOMAIN)
experimental model	PDB	1AXT	PDB ENTRY 1AR3 (CONSTANT DOMAIN) + PDB ENTRY 1AXT (VARIABLE DOMAIN)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.2	298	2M AMMONIUM SULFATE, 5% ISO-PROPANOL, pH 5.20, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.57	51.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.833	α = 90
b = 75.833	β = 90
c = 153.499	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	277	IMAGE PLATE	RIGAKU RAXIS IV	mirrors	2002-08-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.2	38	99.8	0.119	13.7	9.1	26936	26936			43.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.2	2.28	99.7		1.97	4.62	2637

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 (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	PDB ENTRY 1AR3 (CONSTANT DOMAIN) + PDB ENTRY 1AXT (VARIABLE DOMAIN)	2.2	38	26654	26654	1293	99.9	0.172	0.172	0.16	0.215	0.21	RANDOM	33.7

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]
-0.717	-1.619		-0.717		1.434

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	27.36
c_scangle_it	6.59
c_scbond_it	5.38
c_mcangle_it	4.19
c_mcbond_it	3.15
c_angle_deg	1.53
c_improper_angle_d	0.93
c_bond_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3339
Nucleic Acid Atoms
Solvent Atoms	182
Heterogen Atoms	22

Software

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.