3DCZ

CRYSTAL STRUCTURE OF A PUTATIVE RNFG SUBUNIT OF ELECTRON TRANSPORT COMPLEX (TM0246) FROM THERMOTOGA MARITIMA AT 1.65 A RESOLUTION

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	293	25.0% polyethylene glycol 4000, 0.2M ammonium sulfate, 0.1M sodium acetate pH 4.6, NANODROP', VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.27	45.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.125	α = 90
b = 103.827	β = 90
c = 44.035	γ = 90

Symmetry
Space Group	C 2 2 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	MARMOSAIC 325 mm CCD	Flat mirror (vertical focusing)	2008-05-14	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91162,0.97932,0.97891	SSRL	BL11-1

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	1.65	29.148	100	0.068	0.068	7.5	3.7		25591			18.735

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	1.65	1.69	100		0.497	0.497	1.5	3.7	1876

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.65	29.148	25581	1304	99.94	0.177	0.176	0.205	RANDOM	16.063

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]
0.07			-0.35		0.28

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.765
r_dihedral_angle_4_deg	17.145
r_dihedral_angle_3_deg	13.606
r_scangle_it	6.114
r_dihedral_angle_1_deg	5.308
r_scbond_it	4.256
r_mcangle_it	2.989
r_mcbond_it	2.053
r_angle_refined_deg	1.481
r_angle_other_deg	0.898
r_mcbond_other	0.489
r_symmetry_vdw_other	0.314
r_symmetry_vdw_refined	0.261
r_nbd_refined	0.216
r_nbd_other	0.199
r_nbtor_refined	0.184
r_symmetry_hbond_refined	0.163
r_xyhbond_nbd_refined	0.156
r_chiral_restr	0.092
r_nbtor_other	0.087
r_bond_refined_d	0.016
r_gen_planes_refined	0.006
r_bond_other_d	0.005
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1294
Nucleic Acid Atoms
Solvent Atoms	145
Heterogen Atoms	18

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
SHELXD	phasing
autoSHARP	phasing