- PDB-4lqx: Crystal structure of a TENA/THI-4 domain-containing protein (SSO2... -
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Basic information
Entry
Database: PDB / ID: 4lqx
Title
Crystal structure of a TENA/THI-4 domain-containing protein (SSO2700) from Sulfolobus solfataricus P2 at 2.34 A resolution
Components
TENA/THI-4 domain-containing protein
Keywords
OXIDOREDUCTASE / Two domains protein / N-terminal is prokaryotic zinc finger domain and C-terminal is TENA_THI-4 domain (PF03070) / Structural Genomics / Joint Center for Structural Genomics / JCSG / Protein Structure Initiative / PSI-BIOLOGY
Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: May 2, 2013 Details: Flat mirror (vertical focusing); single crystal Si(111) bent monochromator (horizontal focusing)
Radiation
Monochromator: single crystal Si(111) bent / Protocol: MAD / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelength
ID
Wavelength (Å)
Relative weight
1
0.97871
1
2
0.91837
1
Reflection
Resolution: 2.34→44.628 Å / Num. obs: 33079 / % possible obs: 97.6 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 41.899 Å2 / Rmerge(I) obs: 0.109 / Net I/σ(I): 9.86
Reflection shell
Diffraction-ID: 1
Resolution (Å)
Highest resolution (Å)
Rmerge(I) obs
Mean I/σ(I) obs
Num. measured obs
Num. unique obs
% possible all
2.34-2.42
0.767
1.7
10397
3149
98.8
2.42-2.52
0.641
2.1
10463
3260
94.7
2.52-2.63
0.493
2.7
10981
3152
98.2
2.63-2.77
0.366
3.6
11604
3347
98
2.77-2.95
0.27
4.8
11629
3389
98.2
2.95-3.17
0.179
6.8
10603
3213
98.2
3.17-3.49
0.108
10.5
11004
3276
96
3.49-3.99
0.064
17
11584
3352
99.2
3.99-5.02
0.045
21.9
10855
3368
97.3
5.02
0.039
25
11431
3568
97.5
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Phasing
Phasing
Method: MAD
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Processing
Software
Name
Version
Classification
NB
MolProbity
3beta29
modelbuilding
PDB_EXTRACT
3.1
dataextraction
SHELX
phasing
SHARP
phasing
XSCALE
July4, 2012
datascaling
BUSTER-TNT
2.10.0
refinement
XDS
datareduction
SHELXD
phasing
BUSTER
2.10.0
refinement
Refinement
Method to determine structure: MAD / Resolution: 2.34→44.628 Å / Cor.coef. Fo:Fc: 0.9482 / Cor.coef. Fo:Fc free: 0.9237 / Occupancy max: 1 / Occupancy min: 0.37 / Cross valid method: THROUGHOUT / σ(F): 0 Details: 1. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY OF THE SE ATOMS IN THE MSE RESIDUES WAS REDUCED TO 0.75 FOR THE REDUCED ...Details: 1. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY OF THE SE ATOMS IN THE MSE RESIDUES WAS REDUCED TO 0.75 FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL S-MET INCORPORATION. 2. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 3.NCS RESTRAINTS WERE IMPOSED BY AUTOBUSTER'S LSSR PROCEDURE (-AUTONCS). 4.SO4, CL AND EDO MODELED WERE PRESENT IN PROTEIN/CYRO CONDITIONS. ZINC IONS WERE ASSIGNED BASED ON AN ANOMALOUS DIFFERENCE FOURIER MAP AND X-RAY FLUORESCENCE MEASUREMENTS. 5. AN UNKNOWN LIGAND (UNL) HAS BEEN MODELED IN EACH CHAIN. BASED ON ELECTRON DENSITY AND INTERACTION ENVIRONMENTS THE COMPOUND MAY BE NITROBENZENE, BENZOIC ACID, NICOTINIC ACID, NICOTINAMIDE OR SOME OTHER SIMILAR COMPOUND. THE DATA ARE INSUFFICIENT TO DISTINGUISH BETWEEN THESE AND THE TRUE IDENTITY THE LIGAND IS UNKNOWN. 6. THE MAD PHASES WERE USED AS RESTRAINTS DURING REFINEMENT.
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