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- PDB-8osy: Trimeric catalytic domain of the E. coli Dihydrolipoamide Acetylt... -

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Basic information

Entry
Database: PDB / ID: 8osy
TitleTrimeric catalytic domain of the E. coli Dihydrolipoamide Acetyltransferase (E2) of the pyruvate dehydrogenase complex
ComponentsDihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex
KeywordsTRANSFERASE / Pyruvate dehydrogenase complex / Catalytic domain / Trimer
Function / homology
Function and homology information


pyruvate catabolic process / dihydrolipoyllysine-residue acetyltransferase / dihydrolipoyllysine-residue acetyltransferase activity / lipoic acid binding / acetyl-CoA biosynthetic process from pyruvate / pyruvate dehydrogenase complex / pyruvate metabolic process / acetyltransferase activity / glycolytic process / cytoplasm
Similarity search - Function
Dihydrolipoamide acetyltransferase pyruvate dehydrogenase complex / : / Peripheral subunit-binding domain / e3 binding domain / Peripheral subunit-binding (PSBD) domain profile. / E3-binding domain superfamily / 2-oxo acid dehydrogenase, lipoyl-binding site / 2-oxo acid dehydrogenases acyltransferase component lipoyl binding site. / 2-oxoacid dehydrogenase acyltransferase, catalytic domain / 2-oxoacid dehydrogenases acyltransferase (catalytic domain) ...Dihydrolipoamide acetyltransferase pyruvate dehydrogenase complex / : / Peripheral subunit-binding domain / e3 binding domain / Peripheral subunit-binding (PSBD) domain profile. / E3-binding domain superfamily / 2-oxo acid dehydrogenase, lipoyl-binding site / 2-oxo acid dehydrogenases acyltransferase component lipoyl binding site. / 2-oxoacid dehydrogenase acyltransferase, catalytic domain / 2-oxoacid dehydrogenases acyltransferase (catalytic domain) / Biotin-requiring enzyme / Biotinyl/lipoyl domain profile. / Biotin/lipoyl attachment / Single hybrid motif / Chloramphenicol acetyltransferase-like domain superfamily
Similarity search - Domain/homology
Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.89 Å
AuthorsMeinhold, S. / Zdanowicz, R. / Glockshuber, R.
Funding support Switzerland, 1items
OrganizationGrant numberCountry
Swiss National Science Foundation Switzerland
CitationJournal: Sci Adv / Year: 2024
Title: Dimerization of a 5-kDa domain defines the architecture of the 5-MDa gammaproteobacterial pyruvate dehydrogenase complex.
Authors: Sarah Meinhold / Rafal Zdanowicz / Christoph Giese / Rudi Glockshuber /
Abstract: The pyruvate dehydrogenase complex (PDHc) is a ~5 MDa assembly of the catalytic subunits pyruvate dehydrogenase (E1), dihydrolipoamide acetyltransferase (E2), and dihydrolipoamide dehydrogenase (E3). ...The pyruvate dehydrogenase complex (PDHc) is a ~5 MDa assembly of the catalytic subunits pyruvate dehydrogenase (E1), dihydrolipoamide acetyltransferase (E2), and dihydrolipoamide dehydrogenase (E3). The PDHc core is a cubic complex of eight E2 homotrimers. Homodimers of the peripheral subunits E1 and E3 associate with the core by binding to the peripheral subunit binding domain (PSBD) of E2. Previous reports indicated that 12 E1 dimers and 6 E3 dimers bind to the 24-meric E2 core. Using an assembly arrested E2 homotrimer (E2), we show that two of the three PSBDs in the E2 dimerize, that each PSBD dimer cooperatively binds two E1 dimers, and that E3 dimers only bind to the unpaired PSBD in E2. This mechanism is preserved in wild-type PDHc, with an E1 dimer:E2 monomer:E3 dimer stoichiometry of 16:24:8. The conserved PSBD dimer interface indicates that PSBD dimerization is the previously unrecognized architectural determinant of gammaproteobacterial PDHc megacomplexes.
History
DepositionApr 20, 2023Deposition site: PDBE / Processing site: PDBE
Revision 1.0Feb 7, 2024Provider: repository / Type: Initial release
Revision 1.1Feb 21, 2024Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_PubMed / _citation.title

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex
B: Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex
C: Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex
D: Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex


Theoretical massNumber of molelcules
Total (without water)109,0434
Polymers109,0434
Non-polymers00
Water8,701483
1
A: Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex
B: Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex
C: Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex


Theoretical massNumber of molelcules
Total (without water)81,7823
Polymers81,7823
Non-polymers00
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area12670 Å2
ΔGint-97 kcal/mol
Surface area30930 Å2
MethodPISA
2
D: Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex

D: Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex

D: Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex


Theoretical massNumber of molelcules
Total (without water)81,7823
Polymers81,7823
Non-polymers00
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_655-y+1,x-y,z1
crystal symmetry operation3_665-x+y+1,-x+1,z1
Buried area11880 Å2
ΔGint-99 kcal/mol
Surface area31730 Å2
MethodPISA
Unit cell
Length a, b, c (Å)148.149, 148.149, 119.954
Angle α, β, γ (deg.)90.000, 90.000, 120.000
Int Tables number146
Space group name H-MH3
Space group name HallR3
Symmetry operation#1: x,y,z
#2: -y,x-y,z
#3: -x+y,-x,z
#4: x+1/3,y+2/3,z+2/3
#5: -y+1/3,x-y+2/3,z+2/3
#6: -x+y+1/3,-x+2/3,z+2/3
#7: x+2/3,y+1/3,z+1/3
#8: -y+2/3,x-y+1/3,z+1/3
#9: -x+y+2/3,-x+1/3,z+1/3

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Components

#1: Protein
Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex / Dihydrolipoamide acetyltransferase component of pyruvate dehydrogenase complex / E2


Mass: 27260.723 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Gene: aceF, b0115, JW0111 / Production host: Escherichia coli BL21(DE3) (bacteria)
References: UniProt: P06959, dihydrolipoyllysine-residue acetyltransferase
#2: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 483 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.34 Å3/Da / Density % sol: 47.39 %
Crystal growTemperature: 277.15 K / Method: vapor diffusion, sitting drop
Details: 100 mM Tris-HCl pH 8.5, 200 mM MgCl2, 30 % (w/v) PEG 4000

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SLS / Beamline: X06DA / Wavelength: 1.000002 Å
DetectorType: DECTRIS PILATUS 2M-F / Detector: PIXEL / Date: Sep 17, 2020
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.000002 Å / Relative weight: 1
ReflectionResolution: 1.89→44.96 Å / Num. obs: 157861 / % possible obs: 99.7 % / Redundancy: 5.2 % / Biso Wilson estimate: 40.63 Å2 / CC1/2: 0.999 / Rrim(I) all: 0.055 / Net I/σ(I): 17.6
Reflection shellResolution: 1.89→2 Å / Num. unique obs: 25095 / CC1/2: 0.653 / Rrim(I) all: 1.008

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Processing

Software
NameVersionClassification
PHENIX1.20.1_4487refinement
XDSdata reduction
XDSdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.89→44.96 Å / SU ML: 0.381 / Cross valid method: FREE R-VALUE / σ(F): 1.3 / Phase error: 28.4711
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.2444 7891 5 %
Rwork0.2059 149936 -
obs0.2078 157827 99.68 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 58.64 Å2
Refinement stepCycle: LAST / Resolution: 1.89→44.96 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7604 0 0 483 8087
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00557754
X-RAY DIFFRACTIONf_angle_d0.778910467
X-RAY DIFFRACTIONf_chiral_restr0.0511205
X-RAY DIFFRACTIONf_plane_restr0.00681339
X-RAY DIFFRACTIONf_dihedral_angle_d4.84261034
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.89-1.910.88032390.90064560X-RAY DIFFRACTION91.72
1.91-1.930.48012680.4515067X-RAY DIFFRACTION99.83
1.93-1.950.68182590.60574925X-RAY DIFFRACTION99.88
1.95-1.980.45932600.40764972X-RAY DIFFRACTION99.96
1.98-20.3422660.34055042X-RAY DIFFRACTION99.92
2-2.030.28512680.27775069X-RAY DIFFRACTION99.98
2.03-2.060.30332600.28454943X-RAY DIFFRACTION99.94
2.06-2.090.34972680.27525101X-RAY DIFFRACTION99.83
2.09-2.120.2962580.26264892X-RAY DIFFRACTION99.92
2.12-2.160.27592660.25345062X-RAY DIFFRACTION100
2.16-2.20.30252680.25065066X-RAY DIFFRACTION100
2.2-2.240.30642620.25164976X-RAY DIFFRACTION100
2.24-2.280.32122600.28914970X-RAY DIFFRACTION99.92
2.28-2.320.2742680.24215078X-RAY DIFFRACTION100
2.32-2.380.29322620.24424972X-RAY DIFFRACTION100
2.38-2.430.28692660.22715054X-RAY DIFFRACTION100
2.43-2.490.27842620.22834968X-RAY DIFFRACTION100
2.49-2.560.25852660.21995076X-RAY DIFFRACTION100
2.56-2.630.27072620.21984983X-RAY DIFFRACTION99.98
2.63-2.720.28612660.2285025X-RAY DIFFRACTION100
2.72-2.820.26822600.22484938X-RAY DIFFRACTION100
2.82-2.930.24772680.22485122X-RAY DIFFRACTION99.96
2.93-3.060.30072620.22324959X-RAY DIFFRACTION99.94
3.06-3.220.23252640.20635003X-RAY DIFFRACTION99.98
3.22-3.430.23472640.2025007X-RAY DIFFRACTION99.98
3.43-3.690.22452620.18365005X-RAY DIFFRACTION99.98
3.69-4.060.21862660.16455040X-RAY DIFFRACTION100
4.06-4.650.18732630.14875028X-RAY DIFFRACTION99.98
4.65-5.850.1812660.15965037X-RAY DIFFRACTION99.94
5.85-44.960.18572620.16514996X-RAY DIFFRACTION99.81
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)
18.15400272991-6.07916322095-0.3845461113752.04425251173-0.8784758568060.6969763210750.2247694726050.3085686602980.884916047430.00769742453586-0.237951339559-1.20974731554-0.2271575860140.8130926453230.05206832684990.510354571475-0.0528766397391-0.07623186016320.6648482604010.07058891127140.72176852722456.331307839117.97005380779.68827725565
21.771145530850.09657079761320.3268975947632.9840376038-0.286417447022.720264381880.02932638859790.618752902674-0.00160828602308-0.55303334569-0.11051203061-0.0792385905892-0.0408415201790.130969401530.08929790708520.2945703857440.0809512248952-0.02860607049730.4403825020210.0008337587319960.24180527455531.7404968623.2671902319-7.16419666802
33.785896739730.342838133977-1.135527239047.30863860235-2.891297547677.00761245561-0.1512550555791.021157739140.119859666071-0.890685736467-0.180707231530.529772328142-0.00931596380549-0.5135347817140.3235206639380.2766667709550.0976512962817-0.06391979210710.5013881241450.0113942597230.33118412384620.986139152426.0873542248-3.93711332469
45.80248780035-1.18448875775-1.704360496094.415224464841.719971410482.97819964732-0.216263388155-0.4165342745540.4158009664620.6272933055310.168116503352-0.150546696551-1.13653286160.2645931332260.04126725576690.7384622061810.029800861647-0.2121310558320.42429571851-0.0922076425590.36879775797437.9419080532.03397783834.2884594664
52.17138238967-3.224489086385.007353879914.80207343516-7.368311100722.00426048002-0.132426078005-0.00464075997770.1536969017210.209352334921-0.33941254641-0.6437479199070.2433647483090.8916089391110.4470192348690.4588797609140.0214962232594-0.1468287244730.4165264633660.02699305619420.37559709090348.779264134619.11856256724.9082306441
64.756719672112.464223450030.1314268589178.23381757961-1.341353020993.187130784250.0673251991694-0.0135764619817-0.838985458018-0.0347840747635-0.06223162680550.3991532670060.616742607943-0.0123627996507-0.00283092503160.268343842670.0612440096440.04246562907990.274412141732-0.09762108428540.3811801565633.6531179311-4.3271248786311.9625321687
74.710262852692.616533223130.04740969335496.54826872907-0.7964569483942.53018265461-0.131651593868-0.432469787241-1.297407232220.182385806099-0.278924501401-0.5502721693450.7960827000210.4749518216510.4180583438070.4049936477230.155208512289-0.001258938133060.373341539849-0.01264713470840.60172942702841.4173831837-8.3972033722214.8942483437
85.228602277590.155759730411-2.272232575073.79669942589-2.171979155967.20356496829-0.09848967381820.0501002149504-0.1269021286090.308559140078-0.183724377586-0.445171716649-0.06462025955830.7670365409590.2858380280240.2389998535580.0320443334944-0.08617236195480.3254778717590.007691036169250.39467068542351.67590446095.0779050424414.5880806232
92.27067474861-1.398801230280.1747271957487.410241008674.815438252468.76282300141-0.0981926759422-0.328776675416-0.6971957518790.737623836464-0.001265791453040.3874141809960.9652547523020.08043127450660.07905381562060.5045357394710.07796233194090.01584348872780.3713638869140.1568578010320.67801598979944.2321569372-7.4132259614325.8168297786
103.000778512980.0377012717371-0.04934209351172.95858596267-0.2653973414262.40737549181-0.02546677823850.0901043863934-0.2893171964650.0686090876591-0.031962512184-0.02498068981040.3131846371580.1500248188270.05106696788580.2181993420710.04758982266510.002068924915310.202280321807-0.04104630940430.23747715488637.4870672424.2761146773810.4612682036
114.22022754828-1.20007533066-1.329883940526.002406156411.46786600194.1707758414-0.357512106322-0.416846024690.1691885378040.723643933275-0.0221758265135-1.39564586678-0.1732622848261.1245947760.3826637468950.55493816668-0.0531575910422-0.1377199717830.584880585540.2152106996930.66493647527943.500404086340.8499785335-0.439503040016
121.11063295680.2498118993510.5593574042392.92315534859-0.3148343809742.26087025205-0.123021020445-0.2088641557590.2951079126730.5691674961030.1283364685810.676212785356-0.421811296395-0.513510332046-0.01277395478520.4890394699770.1635595026260.05121380070310.354867573392-0.01358089454530.37904283392118.843899537625.037777565721.9235911006
131.96231339486-0.6382604058840.3010932298872.909312781360.5465909809452.40917948992-0.216905390386-0.24401501460.1723163416120.462589632790.02354084969610.239402108382-0.391742930653-0.3830961599440.1873461376640.3828646460790.09287683937450.0202724737050.281139083899-0.003295483153860.25149855030223.484749606425.436408118423.3567069785
146.57731920721.806080681992.044090825147.610607290031.456146692287.88570213551-0.30801327178-0.920154259974-0.1375335660380.8641073828320.2388932026391.29746145554-0.11965645883-1.116355335830.04560226399750.4965538436690.06048572838920.14509723370.3682568604170.09159159655370.4086570438520.044993162313.149489481326.7431749306
150.5402242416790.2879726388951.298347216180.9865277819790.02022341418343.66571847274-0.4359310110761.025982256740.580078148674-0.4275167641440.0614310525581-0.691454426793-0.09234658244750.7763773885390.3322124569730.807204680035-0.1602026454560.2743890160791.02208664907-0.02718726873981.8358088647595.281443491244.5450765913-39.7847473173
162.76791727924-2.56795089305-1.029201455234.211578698082.524196942174.01950237056-0.1227134856770.3252774701080.477852536851-0.2543376908080.323130153538-0.9164749031950.9855422787860.00577532431238-0.2012096717150.824015106897-0.0887827110650.1628907762840.679364754865-0.0283620020891.0496703056780.766798969231.5530841386-37.6161200248
172.6929368663-0.1219700171321.136699919073.65501518133-2.932221149896.023054891380.388083747692-0.539388298451-0.6417210639810.13754951894-0.02733202398490.8349592621460.663032725644-0.165595088805-0.3530257869840.535046517352-0.07345501147480.1445734074230.5617085932030.01417634028071.2462241675672.694421967821.2094830757-10.6413563008
183.17147524167-1.72381254256-0.08080065678265.643707541410.5344732910394.75541753661-0.04133707000230.599706299841-0.898192444002-1.2328379087-0.05403639220970.8122089019770.394159249734-0.7168502940110.1031170377320.829081187706-0.161750558777-0.1162017968930.814406651283-0.2139854487881.2748974818460.885501373525.5511535578-33.6928979952
190.319150955466-1.398779533590.09231273718436.23199101319-0.1103546705122.18331683743-0.1561313689460.27225952458-0.832428700969-0.4216184728560.00179753752564-0.9011773896330.6062299891010.3374751536310.156734656040.6935668885030.009939123122060.1118182289570.522699153387-0.08102028873811.7211360497377.466185974220.5067513579-23.4994212415
201.381218638070.617812969925-0.004536301592942.94061689756-0.07993820599695.29299126659-0.0330561059145-0.168184966585-0.4035744726940.1828965587770.07915510377740.399970611462-0.10115784414-0.488373977371-0.02481736643970.4224563228260.02864542899520.02119907457320.5365318235120.03647026443060.92247900435669.172371608535.5924752758-9.70439553885
211.384591899691.100574185640.2849035615152.9494262006-0.4128584518485.68956802079-0.124950204645-0.439257307597-0.526519281651-0.08484215899780.1302897754990.850314006110.870624393669-1.04623879051-0.01218142866210.638755162112-0.1014151929370.03595968704630.715907612082-0.08178894342271.2623805302463.017022418627.084195919-12.6695568567
Refinement TLS group

Refine-ID: X-RAY DIFFRACTION

IDRefine TLS-IDSelection detailsAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11chain 'A' and (resid 383 through 421 )AA383 - 4211 - 39
22chain 'A' and (resid 422 through 606 )AA422 - 60640 - 224
33chain 'A' and (resid 607 through 627 )AA607 - 627225 - 245
44chain 'B' and (resid 383 through 405 )BB383 - 4051 - 23
55chain 'B' and (resid 406 through 421 )BB406 - 42124 - 39
66chain 'B' and (resid 422 through 449 )BB422 - 44940 - 67
77chain 'B' and (resid 450 through 472 )BB450 - 47268 - 90
88chain 'B' and (resid 473 through 517 )BB473 - 51791 - 135
99chain 'B' and (resid 518 through 534 )BB518 - 534136 - 152
1010chain 'B' and (resid 535 through 627 )BB535 - 627153 - 245
1111chain 'C' and (resid 383 through 405 )CC383 - 4051 - 23
1212chain 'C' and (resid 406 through 472 )CC406 - 47224 - 90
1313chain 'C' and (resid 473 through 606 )CC473 - 60691 - 224
1414chain 'C' and (resid 607 through 627 )CC607 - 627225 - 245
1515chain 'D' and (resid 383 through 405 )DD383 - 4051 - 23
1616chain 'D' and (resid 406 through 421 )DD406 - 42124 - 39
1717chain 'D' and (resid 422 through 472 )DD422 - 47240 - 90
1818chain 'D' and (resid 473 through 493 )DD473 - 49391 - 111
1919chain 'D' and (resid 494 through 574 )DD494 - 574112 - 192
2020chain 'D' and (resid 575 through 606 )DD575 - 606193 - 224
2121chain 'D' and (resid 607 through 627 )DD607 - 627225 - 245

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