RTX toxin-activating protein C, bacteria / RTX toxin acyltransferase family / toxin metabolic process / hemolysis in another organism / acyltransferase activity / Transferases; Acyltransferases; Transferring groups other than aminoacyl groups / cytoplasm / CITRIC ACID / RTX-I toxin-activating lysine-acyltransferase ApxIC
Function and homology information
Biological species
Actinobacillus pleuropneumoniae (bacteria)
Method
X-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 2.15 Å
Component-ID: _ / Beg auth comp-ID: LYS / Beg label comp-ID: LYS / Refine code: _
Dom-ID
Ens-ID
End auth comp-ID
End label comp-ID
Auth asym-ID
Label asym-ID
Auth seq-ID
Label seq-ID
1
1
VAL
VAL
A
A
4 - 170
15 - 181
2
1
VAL
VAL
B
B
4 - 170
15 - 181
1
2
VAL
VAL
A
A
4 - 170
15 - 181
2
2
VAL
VAL
C
C
4 - 170
15 - 181
1
3
VAL
VAL
A
A
4 - 170
15 - 181
2
3
VAL
VAL
D
D
4 - 170
15 - 181
1
4
VAL
VAL
B
B
4 - 170
15 - 181
2
4
VAL
VAL
C
C
4 - 170
15 - 181
1
5
VAL
VAL
B
B
4 - 170
15 - 181
2
5
VAL
VAL
D
D
4 - 170
15 - 181
1
6
ASN
ASN
C
C
4 - 171
15 - 182
2
6
ASN
ASN
D
D
4 - 171
15 - 182
NCS ensembles :
ID
1
2
3
4
5
6
-
Components
#1: Protein
ApxC / APX-IC / Cytolysin IC / CLY-IC / HLY-IC / RTX-I toxin determinant C / Toxin RTX-I-activating ...APX-IC / Cytolysin IC / CLY-IC / HLY-IC / RTX-I toxin determinant C / Toxin RTX-I-activating protein C / RTX-I toxin-activating lysine-acyltransferase ApxIC
Mass: 21195.133 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Actinobacillus pleuropneumoniae (bacteria) Gene: apxIC, clyIC, hlyIC / Production host: Escherichia coli (E. coli) References: UniProt: P55132, Transferases; Acyltransferases; Transferring groups other than aminoacyl groups
Mass: 18.015 Da / Num. of mol.: 219 / Source method: isolated from a natural source / Formula: H2O
-
Experimental details
-
Experiment
Experiment
Method: X-RAY DIFFRACTION
-
Sample preparation
Crystal
Density Matthews: 2.75 Å3/Da / Density % sol: 55.34 %
Crystal grow
Temperature: 288 K / Method: vapor diffusion, sitting drop / pH: 4.4 Details: Crystallisation reagent is 32% PEG300, Phosphate-citrate buffer, pH 4.4. Protein solution is 5 mg/ml ApxC in 150mM NaCl, 20 mM HEPES pH 7.5. Sitting drops formed by 2 ul Protein solution and ...Details: Crystallisation reagent is 32% PEG300, Phosphate-citrate buffer, pH 4.4. Protein solution is 5 mg/ml ApxC in 150mM NaCl, 20 mM HEPES pH 7.5. Sitting drops formed by 2 ul Protein solution and 1 ul crystallisation reagent equilibrated over 80 ul of the reagent alone.
Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelength
Wavelength: 0.9796 Å / Relative weight: 1
Reflection
Resolution: 2.15→54.29 Å / Num. obs: 51711 / % possible obs: 100 % / Redundancy: 7.2 % / Rsym value: 0.104 / Net I/σ(I): 12.6
Reflection shell
Resolution: 2.15→2.22 Å / Redundancy: 7.3 % / Rmerge(I) obs: 0.804 / Mean I/σ(I) obs: 2.5 / % possible all: 100
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Processing
Software
Name
Version
Classification
REFMAC
5.8.0073
refinement
iMOSFLM
datareduction
SCALA
datascaling
PHASER
phasing
Refinement
Method to determine structure: SAD / Resolution: 2.15→54.29 Å / Cor.coef. Fo:Fc: 0.949 / Cor.coef. Fo:Fc free: 0.922 / SU B: 5.424 / SU ML: 0.137 / Cross valid method: THROUGHOUT / ESU R: 0.21 / ESU R Free: 0.184 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
Rfactor
Num. reflection
% reflection
Selection details
Rfree
0.24238
2629
5.1 %
RANDOM
Rwork
0.20018
-
-
-
obs
0.20228
49014
99.94 %
-
Solvent computation
Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK