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- PDB-5efz: Monoclinic structure of the acetyl esterase MekB -

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Basic information

Entry
Database: PDB / ID: 5efz
TitleMonoclinic structure of the acetyl esterase MekB
ComponentsHomoserine O-acetyltransferase
KeywordsHYDROLASE / alpha/beta hydrolase / acetyl ester hydrolase / Pseudomonas veronii / transferase
Function / homology
Function and homology information


ethyl acetate hydrolase / biosynthetic process / acyltransferase activity, transferring groups other than amino-acyl groups / hydrolase activity
Similarity search - Function
Homoserine/serine acetyltransferase MetX-like / alpha/beta hydrolase fold / Alpha/beta hydrolase fold-1 / Alpha/Beta hydrolase fold, catalytic domain / Alpha/Beta hydrolase fold / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
ACETATE ION / Ethyl acetate hydrolase
Similarity search - Component
Biological speciesPseudomonas veronii (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / Resolution: 1.82 Å
AuthorsToelzer, C. / Pal, S. / Watzlawick, H. / Altenbuchner, J. / Niefind, K.
CitationJournal: Febs Lett. / Year: 2016
Title: A novel esterase subfamily with alpha / beta-hydrolase fold suggested by structures of two bacterial enzymes homologous to l-homoserine O-acetyl transferases.
Authors: Tolzer, C. / Pal, S. / Watzlawick, H. / Altenbuchner, J. / Niefind, K.
History
DepositionOct 26, 2015Deposition site: RCSB / Processing site: PDBE
Revision 1.0Dec 16, 2015Provider: repository / Type: Initial release
Revision 1.1May 8, 2024Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Homoserine O-acetyltransferase
B: Homoserine O-acetyltransferase
C: Homoserine O-acetyltransferase
D: Homoserine O-acetyltransferase
E: Homoserine O-acetyltransferase
F: Homoserine O-acetyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)241,18346
Polymers238,4826
Non-polymers2,70240
Water19,5461085
1
A: Homoserine O-acetyltransferase
B: Homoserine O-acetyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)80,44917
Polymers79,4942
Non-polymers95515
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4780 Å2
ΔGint-1 kcal/mol
Surface area24860 Å2
MethodPISA
2
C: Homoserine O-acetyltransferase
E: Homoserine O-acetyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)80,35215
Polymers79,4942
Non-polymers85813
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4280 Å2
ΔGint-13 kcal/mol
Surface area24360 Å2
MethodPISA
3
D: Homoserine O-acetyltransferase
F: Homoserine O-acetyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)80,38314
Polymers79,4942
Non-polymers88912
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5530 Å2
ΔGint-2 kcal/mol
Surface area24750 Å2
MethodPISA
Unit cell
Length a, b, c (Å)88.848, 110.342, 122.817
Angle α, β, γ (deg.)90.00, 106.89, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein
Homoserine O-acetyltransferase / hydrolase


Mass: 39746.938 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Pseudomonas veronii (bacteria) / Gene: mekB / Production host: Escherichia coli (E. coli)
References: UniProt: Q0MRG5, Transferases; Acyltransferases; Transferring groups other than aminoacyl groups, homoserine O-acetyltransferase
#2: Chemical...
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 25 / Source method: obtained synthetically / Formula: C2H6O2
#3: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C3H8O3
#4: Chemical
ChemComp-ACT / ACETATE ION


Mass: 59.044 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: C2H3O2
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1085 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.42 Å3/Da / Density % sol: 49.08 %
Crystal growTemperature: 293.15 K / Method: vapor diffusion, sitting drop
Details: 0.1 M sodium acetate pH 4.5 0.8 M sodium dihydrogen phosphate 1.2 M di-potassium hydrogen phosphate Drop: 0.1 microliter ethylene glycol 0.8 microliter protein solution 0.8 microliter reservoir solution

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SLS / Beamline: X06DA / Wavelength: 1 Å
DetectorType: DECTRIS PILATUS 2M-F / Detector: PIXEL / Date: Apr 27, 2015
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.82→46.28 Å / Num. obs: 201791 / % possible obs: 99.61 % / Redundancy: 3.5 % / Rsym value: 0.082 / Net I/σ(I): 10.4
Reflection shellResolution: 1.82→1.859 Å / Redundancy: 3.4 % / Rmerge(I) obs: 0.893 / Mean I/σ(I) obs: 1.4 / % possible all: 98

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Processing

Software
NameVersionClassification
PHENIX1.9_1692refinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing
RefinementResolution: 1.82→46.28 Å / SU ML: 0.19 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 19.59 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.1963 2133 1.06 %
Rwork0.1629 --
obs0.1633 201791 99.61 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 1.82→46.28 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms15939 0 176 1085 17200
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.01216501
X-RAY DIFFRACTIONf_angle_d1.21722302
X-RAY DIFFRACTIONf_dihedral_angle_d13.6795922
X-RAY DIFFRACTIONf_chiral_restr0.0612395
X-RAY DIFFRACTIONf_plane_restr0.0062907
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.82-1.86230.33651510.271713008X-RAY DIFFRACTION98
1.8623-1.90890.29091470.242713190X-RAY DIFFRACTION99
1.9089-1.96050.23941600.214113258X-RAY DIFFRACTION100
1.9605-2.01820.22951550.198413348X-RAY DIFFRACTION100
2.0182-2.08340.20741320.18113303X-RAY DIFFRACTION100
2.0834-2.15780.20731400.167613258X-RAY DIFFRACTION100
2.1578-2.24420.19471420.163113333X-RAY DIFFRACTION100
2.2442-2.34640.1981250.160213382X-RAY DIFFRACTION100
2.3464-2.470.20191410.158713291X-RAY DIFFRACTION100
2.47-2.62480.21081510.155513353X-RAY DIFFRACTION100
2.6248-2.82740.18431320.157813323X-RAY DIFFRACTION100
2.8274-3.11190.19091400.150113344X-RAY DIFFRACTION100
3.1119-3.56210.17671320.146713407X-RAY DIFFRACTION100
3.5621-4.48720.16761590.138713352X-RAY DIFFRACTION100
4.4872-46.29520.1881260.165513508X-RAY DIFFRACTION99
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL112)L122)L132)L222)L232)L332)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T112)T122)T132)T222)T232)T332)Origin x (Å)Origin y (Å)Origin z (Å)
13.178-0.08180.68261.857-0.49381.44430.0251-0.5054-0.04110.28730.04490.32440.0683-0.392-0.07340.2068-0.08150.03150.348-0.00620.185122.180693.424140.7428
25.4261.74650.70091.88320.28370.86120.0975-0.01390.3338-0.0241-0.0830.25820.0524-0.292-0.00440.1334-0.04130.01560.26660.01080.190115.931497.71425.1692
30.93650.1760.25230.69440.21520.65030.0385-0.1258-0.0940.0507-0.02240.01120.1946-0.2044-0.01130.1422-0.0748-0.00540.19450.03320.183927.16388.96831.3102
41.2988-0.2351.02862.101-2.00355.8332-0.0607-0.06910.28130.2318-0.0164-0.2263-0.57090.24290.08450.1362-0.03630.00810.1522-0.03060.237440.923109.472531.1271
52.70880.5574-0.70142.31270.5234.18450.1438-0.24290.19250.213-0.07180.0851-0.1875-0.1198-0.06620.0809-0.0336-0.00530.1842-0.01690.164635.3675102.572636.2695
61.6749-0.38251.29991.46110.19362.34180.08070.032-0.22140.0383-0.0405-0.06940.3087-0.0746-0.03330.1375-0.03640.01920.1461-0.02050.195533.574686.368520.0909
71.6895-0.28790.71245.40241.61763.5220.02940.2108-0.1548-0.49910.00970.12690.2213-0.1545-0.03720.1314-0.0550.02890.23320.00760.151531.134590.603211.5781
84.0273.46240.5594.7440.67171.2305-0.07170.19140.0229-0.18520.06590.1116-0.0201-0.273-0.00460.1049-0.00860.01390.24440.03630.158522.524798.570814.7044
91.58550.3141-0.81071.3573-0.69031.9614-0.02510.20940.0329-0.04140.0062-0.23440.02980.33030.0320.1326-0.04330.04670.3073-0.03630.277975.0969108.428313.1208
101.16940.12220.1031.1329-0.05210.9394-0.02460.18730.2712-0.09340.0413-0.0554-0.19640.2268-0.02850.1834-0.07490.04910.20560.00950.237866.5508115.242414.4061
111.36861.78651.14495.52023.58214.20970.1248-0.1239-0.10390.3592-0.0497-0.06330.27180.0021-0.07990.104-0.0190.03070.11780.01360.147957.016696.952928.1273
121.9905-0.20750.95261.158-0.5863.376-0.0280.06970.27110.04560.01840.0397-0.40230.12540.01780.1364-0.04020.05080.1228-0.01330.206260.0789112.96719.4306
132.57540.0255-0.72183.6058-1.35223.238-0.01740.40050.0426-0.2790.05130.0528-0.07880.041-0.03910.1488-0.04150.00290.1859-0.02120.131256.467104.22643.9435
145.7189-2.127-5.09980.85962.13796.9893-0.10780.24550.2265-0.260.0565-0.0104-0.3277-0.22190.04740.3838-0.0211-0.06250.16130.0160.274779.112381.08745.0769
151.677-0.08360.23361.99041.23742.8273-0.1881-0.26510.04230.23830.14180.0989-0.2103-0.10320.0550.27650.0624-0.02490.1633-0.00110.20178.227576.338360.1798
161.80770.29250.79291.66070.5662.4988-0.11590.06080.0818-0.01440.0458-0.0863-0.20640.12540.05740.1487-0.01490.01440.12850.01450.147485.737671.382549.2473
171.4913-0.48561.47412.0632-2.5376.1393-0.0922-0.2405-0.44620.09540.26380.33980.4372-0.4718-0.18420.2810.00810.09580.17290.04120.32475.031951.467255.1791
185.12670.23641.40262.00390.1352.7059-0.15540.1450.2592-0.16610.0505-0.3469-0.18930.56580.10040.1715-0.04250.02830.21490.01470.215192.773869.559546.9539
192.50790.2116-0.7621.9731-0.35812.3738-0.2055-0.3281-0.11340.26950.125-0.2520.09010.45410.0720.24240.104-0.0370.27270.01150.186491.977864.240365.6827
200.33650.00340.16610.3028-0.08740.39670.213-0.25-0.2878-0.11630.20930.32151.0661-0.8419-0.03970.7367-0.4982-0.10450.40850.36230.24742.206940.444625.5679
212.48490.27950.75661.5811-0.04732.52790.08610.0374-0.3205-0.3580.0594-0.05180.62640.1421-0.12980.40550.0275-0.00560.15940.04330.171656.372447.332112.9923
222.659-0.0206-0.73983.0482-1.17553.51880.0531-0.418-0.03740.25420.0122-0.03740.31170.0448-0.02930.2388-0.0171-0.03310.21940.0230.116855.01550.463234.8917
230.7343-0.6837-0.47721.73960.10670.41970.15610.4335-0.3328-0.426-0.0826-0.04820.43740.0288-0.05430.75250.2207-0.23550.5162-0.23540.496688.876719.799538.7853
242.9831-1.3713-0.21443.33410.24370.02610.1640.0409-0.2836-0.27340.0114-0.40890.4080.4354-0.14280.64880.2548-0.09210.4358-0.12620.396102.884722.026248.4842
250.75660.0449-0.53571.38690.3610.49210.31920.2327-0.374-0.1822-0.1210.17020.3777-0.0292-0.15140.52450.0957-0.16390.2459-0.06720.355287.677924.210449.8492
262.5862-1.51761.49363.5776-2.05191.37650.18220.2168-0.0306-0.2646-0.02480.13260.0938-0.0256-0.10760.93230.48980.02760.73840.12040.396878.84539.92631.256
274.92361.25752.63152.09891.58813.86930.21310.72920.5887-0.7483-0.0755-0.3268-0.55030.467-0.13220.64030.12830.24830.35190.05640.426396.821349.158242.8461
282.0261.56720.9663.22080.37882.50680.3320.7161-0.026-0.69550.0116-0.1970.00440.1182-0.32250.53120.23510.02040.3698-0.02780.261788.069936.437538.4735
293.39031.0239-0.65091.9812-0.50275.30640.1189-0.1414-0.4769-0.43010.0180.10790.6954-0.4169-0.11680.4007-0.0466-0.09080.20450.01060.334780.912227.402261.0715
303.6094-0.3734-0.83522.8778-0.76423.11410.2522-0.22120.0466-0.09930.0356-0.24360.25950.488-0.26870.27040.0513-0.05880.2488-0.10350.220599.160333.940560.1891
311.45170.68340.12651.2076-0.08470.9079-0.01880.19270.064-0.1031-0.0059-0.0749-0.06150.27470.01990.0985-0.01850.01950.2398-0.00350.147481.469773.18845.2854
321.674-0.3834-1.2681.47452.37686.5303-0.01670.2056-0.0101-0.0479-0.12060.25830.0868-0.35970.130.0964-0.0319-0.01010.096-0.00370.179758.066565.39867.3815
332.06030.48871.07781.0561-0.29062.15070.03140.1852-0.2087-0.10860.03260.01220.14840.3226-0.05250.11860.00540.03170.1874-0.04010.121976.204462.65816.8755
342.84460.46190.11311.8982-0.15570.93290.0355-0.17330.0270.1296-0.0602-0.0324-0.04090.23140.0240.1304-0.04210.02030.2123-0.01610.110377.911270.609323.4919
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'A' and (resid 3 through 40 )
2X-RAY DIFFRACTION2chain 'A' and (resid 41 through 80 )
3X-RAY DIFFRACTION3chain 'A' and (resid 81 through 180 )
4X-RAY DIFFRACTION4chain 'A' and (resid 181 through 240 )
5X-RAY DIFFRACTION5chain 'A' and (resid 241 through 260 )
6X-RAY DIFFRACTION6chain 'A' and (resid 261 through 300 )
7X-RAY DIFFRACTION7chain 'A' and (resid 301 through 320 )
8X-RAY DIFFRACTION8chain 'A' and (resid 321 through 349 )
9X-RAY DIFFRACTION9chain 'B' and (resid 3 through 80 )
10X-RAY DIFFRACTION10chain 'B' and (resid 81 through 180 )
11X-RAY DIFFRACTION11chain 'B' and (resid 181 through 240 )
12X-RAY DIFFRACTION12chain 'B' and (resid 241 through 280 )
13X-RAY DIFFRACTION13chain 'B' and (resid 281 through 347 )
14X-RAY DIFFRACTION14chain 'C' and (resid 10 through 32 )
15X-RAY DIFFRACTION15chain 'C' and (resid 33 through 99 )
16X-RAY DIFFRACTION16chain 'C' and (resid 100 through 197 )
17X-RAY DIFFRACTION17chain 'C' and (resid 198 through 250 )
18X-RAY DIFFRACTION18chain 'C' and (resid 251 through 280 )
19X-RAY DIFFRACTION19chain 'C' and (resid 281 through 348 )
20X-RAY DIFFRACTION20chain 'D' and (resid 2 through 175 )
21X-RAY DIFFRACTION21chain 'D' and (resid 176 through 275 )
22X-RAY DIFFRACTION22chain 'D' and (resid 276 through 346 )
23X-RAY DIFFRACTION23chain 'E' and (resid 3 through 40 )
24X-RAY DIFFRACTION24chain 'E' and (resid 41 through 80 )
25X-RAY DIFFRACTION25chain 'E' and (resid 81 through 180 )
26X-RAY DIFFRACTION26chain 'E' and (resid 181 through 200 )
27X-RAY DIFFRACTION27chain 'E' and (resid 201 through 240 )
28X-RAY DIFFRACTION28chain 'E' and (resid 241 through 260 )
29X-RAY DIFFRACTION29chain 'E' and (resid 261 through 280 )
30X-RAY DIFFRACTION30chain 'E' and (resid 281 through 347 )
31X-RAY DIFFRACTION31chain 'F' and (resid 3 through 180 )
32X-RAY DIFFRACTION32chain 'F' and (resid 181 through 240 )
33X-RAY DIFFRACTION33chain 'F' and (resid 241 through 280 )
34X-RAY DIFFRACTION34chain 'F' and (resid 281 through 349 )

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