2GM5

An activated, truncated gamma-delta resolvase tetramer

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	Protein in 200 mM NaCl, 3.75 mM DTT, 40 mM Tris-HCl, 0.05 M Li2SO4, 7.5% PEG 4000, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.08	40.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.331	α = 90
b = 98.476	β = 90
c = 100.408	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		2003-10-03	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	0.97180, 0.97930, 0.97950	NSLS	X25

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	2.1	50	99.8	0.089	7.7	3.8	59517	59517		-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	2.1	2.18	100	100	0.738	1.9	3.8	5922

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	2.1	47.14	31507	31507	3122	99.97	0.219	0.219	0.215	0.255	RANDOM	42.817

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]
-1.93			-0.56		2.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.256
r_dihedral_angle_4_deg	17.675
r_dihedral_angle_3_deg	15.352
r_dihedral_angle_1_deg	4.259
r_scangle_it	4.174
r_scbond_it	2.653
r_mcangle_it	1.537
r_mcbond_it	1.098
r_angle_refined_deg	0.947
r_nbtor_refined	0.291
r_symmetry_vdw_refined	0.185
r_nbd_refined	0.179
r_xyhbond_nbd_refined	0.123
r_symmetry_hbond_refined	0.111
r_chiral_restr	0.061
r_bond_refined_d	0.007
r_gen_planes_refined	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3670
Nucleic Acid Atoms
Solvent Atoms	147
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
SOLVE	phasing