2GM4

An activated, tetrameric gamma-delta resolvase: Hin chimaera bound to cleaved DNA

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	PROTEIN: DNA stock in 300 mM NaCl, 15 mM Tris-HCl, 0.05-0.15 M Mg Formate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
4.19	70.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 110.138	α = 90
b = 137.687	β = 90
c = 83.473	γ = 90

Symmetry
Space Group	P 21 21 2

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		2003-07-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X12B	1.05	NSLS	X12B

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	3.5	50	96.5	0.091			16189	16189		-3

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	3.5	3.63	84.3		0.759	1.2		1380

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1ZR4	3.5	20	15177	15177	802	96.97	0.28213	0.28213	0.28003	0.32265	RANDOM	173.333

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]
-5.23			-11.97		17.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.146
r_dihedral_angle_3_deg	21.044
r_dihedral_angle_4_deg	13.706
r_dihedral_angle_1_deg	5.582
r_scangle_it	4.246
r_mcangle_it	3.76
r_scbond_it	2.758
r_mcbond_it	2.002
r_angle_refined_deg	1.157
r_nbtor_refined	0.298

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.146
r_dihedral_angle_3_deg	21.044
r_dihedral_angle_4_deg	13.706
r_dihedral_angle_1_deg	5.582
r_scangle_it	4.246
r_mcangle_it	3.76
r_scbond_it	2.758
r_mcbond_it	2.002
r_angle_refined_deg	1.157
r_nbtor_refined	0.298
r_symmetry_vdw_refined	0.234
r_nbd_refined	0.227
r_xyhbond_nbd_refined	0.173
r_chiral_restr	0.068
r_bond_refined_d	0.008
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2788
Nucleic Acid Atoms	1344
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
SCALEPACK	data scaling
CNS	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 R01GM133198.