Experiment: 1R2T

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1HTI	PDB ENTRY 1HTI

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	291	PEG 4000, MgCl2, Tris-HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.05	40.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.159	α = 90
b = 72.035	β = 90
c = 93.252	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	85	IMAGE PLATE	MARRESEARCH	Mirror	1999-03-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE D03B-MX1	1.31	LNLS	D03B-MX1

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	2.25	15.65	97.5	0.104	10.16	2.93	21372	20842		2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.25	2.29	99.7		0.379	2.63	2.83	1044

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1HTI	2.25	15.54	19784	1032	97.53	0.18409	0.18409	0.18218	0.21999	RANDOM	20.385

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]
1.14			-0.78		-0.36

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.684
r_scangle_it	2.731
r_scbond_it	1.613
r_angle_refined_deg	1.309
r_mcangle_it	1.071
r_mcbond_it	0.568
r_symmetry_hbond_refined	0.267
r_symmetry_vdw_refined	0.223
r_nbd_refined	0.201
r_xyhbond_nbd_refined	0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.684
r_scangle_it	2.731
r_scbond_it	1.613
r_angle_refined_deg	1.309
r_mcangle_it	1.071
r_mcbond_it	0.568
r_symmetry_hbond_refined	0.267
r_symmetry_vdw_refined	0.223
r_nbd_refined	0.201
r_xyhbond_nbd_refined	0.16
r_chiral_restr	0.084
r_bond_refined_d	0.011
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3731
Nucleic Acid Atoms
Solvent Atoms	335
Heterogen Atoms

Software

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

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.