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- PDB-9egj: Crystal Structure of EgtUC binding domain mutant I243P bound to L... -

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Basic information

Entry
Database: PDB / ID: 9egj
TitleCrystal Structure of EgtUC binding domain mutant I243P bound to L-Ergothioneine from S. pneumoniae
ComponentsErgothioneine transporter EgtUC
KeywordsTRANSPORT PROTEIN / L-ergothioneine / ABC transporter / S. pneumoniae
Function / homology
Function and homology information


ABC-type quaternary ammonium compound transporting activity / quaternary ammonium group transport / glycine betaine transport / amino acid transport / ATP-binding cassette (ABC) transporter complex
Similarity search - Function
: / ABC-type glycine betaine transport system, substrate-binding domain / Substrate binding domain of ABC-type glycine betaine transport system / ABC transporter type 1, transmembrane domain MetI-like / MetI-like superfamily / Binding-protein-dependent transport system inner membrane component / ABC transporter integral membrane type-1 domain profile.
Similarity search - Domain/homology
Chem-LW8 / Ergothioneine transporter EgtUBC
Similarity search - Component
Biological speciesStreptococcus pneumoniae D39 (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.89 Å
AuthorsLegg, K.A. / Gonzalez-Gutierrez, G. / Giedroc, D.P.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R35GM118157 United States
CitationJournal: To Be Published
Title: C-H...S hydrogen bonds are essential for molecular recognition of ergothioneine by the bacterial ergothioneine transporter EgtUC in Streptococcus pneumoniae.
Authors: Legg, K.A. / Gonzalez-Gutierrez, G. / Edmonds, K.A. / Shushkov, D.P. / Giedroc, D.P.
History
DepositionNov 21, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 26, 2025Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Ergothioneine transporter EgtUC
B: Ergothioneine transporter EgtUC
C: Ergothioneine transporter EgtUC
D: Ergothioneine transporter EgtUC
hetero molecules


Theoretical massNumber of molelcules
Total (without water)125,41911
Polymers124,2094
Non-polymers1,2097
Water24,9331384
1
A: Ergothioneine transporter EgtUC
hetero molecules


Theoretical massNumber of molelcules
Total (without water)31,3793
Polymers31,0521
Non-polymers3262
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Ergothioneine transporter EgtUC
hetero molecules


Theoretical massNumber of molelcules
Total (without water)31,2832
Polymers31,0521
Non-polymers2301
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
3
C: Ergothioneine transporter EgtUC
hetero molecules


Theoretical massNumber of molelcules
Total (without water)31,3793
Polymers31,0521
Non-polymers3262
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
4
D: Ergothioneine transporter EgtUC
hetero molecules


Theoretical massNumber of molelcules
Total (without water)31,3793
Polymers31,0521
Non-polymers3262
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)119.752, 209.428, 87.975
Angle α, β, γ (deg.)90.000, 132.880, 90.000
Int Tables number5
Space group name H-MC121
Space group name HallC2y
Symmetry operation#1: x,y,z
#2: -x,y,-z
#3: x+1/2,y+1/2,z
#4: -x+1/2,y+1/2,-z
Components on special symmetry positions
IDModelComponents
11A-602-

SO4

21C-602-

SO4

31D-602-

SO4

41A-816-

HOH

51A-887-

HOH

61A-1036-

HOH

71B-931-

HOH

81B-986-

HOH

91B-1011-

HOH

101C-830-

HOH

111C-874-

HOH

121C-1015-

HOH

131D-720-

HOH

141D-901-

HOH

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Components

#1: Protein
Ergothioneine transporter EgtUC


Mass: 31052.309 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Streptococcus pneumoniae D39 (bacteria)
Gene: egtUBC, proWX, SPD_1642 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: A0A0H2ZQB9
#2: Chemical
ChemComp-LW8 / trimethyl-[(2S)-1-oxidanyl-1-oxidanylidene-3-(2-sulfanylidene-1,3-dihydroimidazol-4-yl)propan-2-yl]azanium


Mass: 230.307 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C9H16N3O2S / Feature type: SUBJECT OF INVESTIGATION
#3: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: SO4
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1384 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY
Has protein modificationN

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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: 3.25 Å3/Da / Density % sol: 62.2 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 5.6
Details: Sodium citrate tribasic pH 5.6, Potassium Sodium Tartrate 0.2 M and Ammonium Sulphate 1.6 - 2.0 M

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: ALS / Beamline: 8.2.2 / Wavelength: 1.00002 Å
DetectorType: DECTRIS PILATUS3 2M / Detector: PIXEL / Date: Jun 28, 2024
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.00002 Å / Relative weight: 1
ReflectionResolution: 1.89→64.47 Å / Num. obs: 124653 / % possible obs: 99.3 % / Redundancy: 3.4 % / Biso Wilson estimate: 29.71 Å2 / CC1/2: 0.999 / Rpim(I) all: 0.039 / Rrim(I) all: 0.072 / Rsym value: 0.061 / Net I/σ(I): 13.1
Reflection shellResolution: 1.89→1.93 Å / Redundancy: 3.5 % / Mean I/σ(I) obs: 1.3 / Num. unique obs: 6288 / CC1/2: 0.561 / Rpim(I) all: 0.57 / Rrim(I) all: 1.069 / Rsym value: 0.901 / % possible all: 99.8

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Processing

Software
NameVersionClassification
PHENIX1.20.1_4487refinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.89→64.47 Å / SU ML: 0.2802 / Cross valid method: FREE R-VALUE / σ(F): 1.36 / Phase error: 26.9832
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.2542 6362 5.11 %
Rwork0.2137 118218 -
obs0.2157 124580 99.21 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 36.32 Å2
Refinement stepCycle: LAST / Resolution: 1.89→64.47 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms8627 0 75 1384 10086
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00498855
X-RAY DIFFRACTIONf_angle_d0.768311972
X-RAY DIFFRACTIONf_chiral_restr0.04811328
X-RAY DIFFRACTIONf_plane_restr0.00561555
X-RAY DIFFRACTIONf_dihedral_angle_d7.30541184
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.89-1.920.3941820.35044003X-RAY DIFFRACTION99.6
1.92-1.940.33542460.3033864X-RAY DIFFRACTION99.66
1.94-1.960.33122210.27993957X-RAY DIFFRACTION99.71
1.96-1.990.31641960.27213959X-RAY DIFFRACTION99.83
1.99-2.010.28452140.26653957X-RAY DIFFRACTION99.67
2.01-2.040.30052100.263982X-RAY DIFFRACTION99.74
2.04-2.070.2731920.25223941X-RAY DIFFRACTION99.59
2.07-2.10.29122050.24913983X-RAY DIFFRACTION99.41
2.1-2.130.28081980.2453894X-RAY DIFFRACTION99.34
2.13-2.170.28142120.24673930X-RAY DIFFRACTION98.81
2.17-2.20.29192080.24263917X-RAY DIFFRACTION97.4
2.2-2.240.28672260.23753916X-RAY DIFFRACTION99.86
2.24-2.290.27642410.2263905X-RAY DIFFRACTION99.76
2.29-2.330.30142020.22543958X-RAY DIFFRACTION99.86
2.33-2.390.24172380.2284002X-RAY DIFFRACTION99.86
2.39-2.440.3192160.22963932X-RAY DIFFRACTION99.78
2.44-2.50.28971970.22943972X-RAY DIFFRACTION99.71
2.5-2.570.28362320.22483923X-RAY DIFFRACTION99.74
2.57-2.650.26712290.22223939X-RAY DIFFRACTION99.52
2.65-2.730.30522050.22193961X-RAY DIFFRACTION99.43
2.73-2.830.27062090.23693935X-RAY DIFFRACTION99.33
2.83-2.940.2522290.22343968X-RAY DIFFRACTION99.13
2.94-3.080.25842420.22483843X-RAY DIFFRACTION98.6
3.08-3.240.26072160.20673907X-RAY DIFFRACTION97.54
3.24-3.440.2262190.20223913X-RAY DIFFRACTION99.35
3.44-3.710.22232060.18823919X-RAY DIFFRACTION98.78
3.71-4.080.22982160.18633952X-RAY DIFFRACTION98.79
4.08-4.670.20951830.17613946X-RAY DIFFRACTION98.52
4.67-5.880.21791640.19543965X-RAY DIFFRACTION97.87
5.88-64.470.21482080.18743975X-RAY DIFFRACTION98.42
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)
12.42985472972-0.4312231610110.5801542373822.65131160548-0.4217445423653.216397181450.0430750651629-0.1270902325650.07197498588820.240394496864-0.00831741198895-0.247890780835-0.2098475103320.29139931636-0.02649239895490.213399201461-0.0208739704806-0.05624083614760.23823532924-0.0535927722220.178607789588-52.4701402062-7.3961614414314.8827733038
22.04076004641.72329416053-0.08910635362625.478886307160.07190577551592.426307678160.04830517561880.0948383224954-0.1896358477520.1377003981320.156664209070.5384165262650.252956785656-0.203036224309-0.154893101060.212945510781-0.0160865831612-0.05702097348860.2318797194330.02689925380840.288895207289-69.6448193755-27.380525846810.5623436413
32.622694878731.87583832550.9448746373675.98593752305-0.271141502862.553588957550.08154019662540.09491390745470.40396082066-0.02134276537780.1763787002411.52338631552-0.0902613039805-0.754207114587-0.07372000980010.2634179578890.0333399419517-0.01758935532540.3491844185970.07177514173550.458691167107-75.9747444201-15.573973516512.6487862601
41.844727026371.676793080630.1626036808665.029286773780.1992745880921.459112682710.100255830676-0.1824376180320.2593560684820.385064424357-0.04906805930.389937584059-0.278551342690.021670454133-0.07251854760270.3008774825330.0388545752903-0.006044319352130.268630746757-0.04645165551690.199754258515-61.4585248701-2.9735522269517.4564676903
52.371847930870.697820611520.5741488850485.206204610760.0993935121663.72719348589-0.1381565132520.235568488418-0.654898517679-0.3810451629020.394707160558-0.2953539911260.2975773204740.148026970648-0.2722678397370.182357092324-0.0282404878265-0.04333030266420.234272515422-0.05257948624530.375885386226-37.2421535278-53.653158948223.4046133187
63.45214674529-1.883827301480.0106395164722.746790588040.09102557411872.01250267803-0.3274279150780.3313517047860.163279376631-0.1780041898830.212661960590.237293301912-0.265895653595-0.1227903004960.114422922740.260060490724-0.0893240212264-0.1118960756570.254258761650.0488950792670.258756177375-50.4614388396-39.685403893220.1487244005
72.659487078720.4693994383790.5201763443863.206984908491.277958622372.5576671763-0.16259655271-0.4277767290230.1375652065610.233906097060.1076420739870.249994922574-0.176334699276-0.2208304976360.04995869242440.187149124380.0542702686536-0.01895584293040.241461114160.01556633879750.216951568193-44.09257041-33.051112582338.8515538659
82.536144145520.18712606751-1.247550827812.46946061408-0.117481907753.53047247097-0.0678308146364-0.0606945155693-0.690477875960.1653442852440.1078704826520.1063945792960.735580428123-0.0989548816504-0.0338431075140.271390745726-0.0214066234416-0.06314482780440.228971450230.05065755490690.467102629359-45.9470445136-57.305897250429.6011727059
93.83774319184-1.070201560330.1133644027453.721758877470.1402440308283.029737971050.0958097312180.0589052790822-0.220051201165-0.07073684326090.01359112723090.117581875160.347435698124-0.353557034703-0.1153723179180.256465538932-0.02432075513710.03759251981550.2224151929620.02101431747240.130023909645-66.3074923303-106.8246541058.58943354648
103.34669753016-0.695484231037-1.086488640582.573179549011.14280711771.48067209120.0684291353725-0.3328809725640.2414902267350.5786115273680.06106328242860.2321001432480.0301185127297-0.32394835896-0.1095825193490.3790855681530.01360886199550.1130923290140.3149892975070.03375728414350.205672264387-67.8041569327-94.825608860521.5785714709
112.199035177631.226622347870.0935184963163.751686446530.4199471704433.59214257185-0.0250431194742-0.01299514712960.378205094988-0.06993001378160.171461646044-0.514146217217-0.2182897282830.493091772076-0.1247392305530.189677814032-0.03229500486750.04963560943350.22005433227-0.05224451559180.328081834258-50.10747465-81.390276638110.5624930367
123.284778360421.70185982128-0.5278274975563.854814875870.2399686952982.874691333910.00153234049543-0.4336290678220.1645368567140.4018935977090.0750440869258-0.1223496747030.1818321101620.177501476222-0.08592799019570.259941192760.0761292923381-0.00120435446680.2204664289260.003833797306790.140309948584-57.1196912225-94.386893972517.2403281443
132.799475736980.8317714605820.1314901085383.29026378929-0.3173255608373.066069572630.0572550619787-0.423555326863-0.4327380633440.399250241754-0.114734954001-0.3280901840780.5441217337320.1207894576120.02210189132340.3970278668930.0456966425357-0.01630918488420.2066909752190.04299051865490.282736270126-57.9007127625-108.14676254418.4869807811
143.107148666671.69604703082-0.5627121844115.81845250992-1.921871804355.99103120645-0.0404549712699-0.18541863546-0.589015657906-0.2578493002590.0398855538958-1.18243390770.9707281814640.3715584688070.1195783804410.43793933130.143420246376-0.02297908544640.2928267178590.003707109768230.482755712426-51.7930241407-114.76316094313.4612453772
153.076953681950.578239133191-0.7699188267168.23688819012-1.34529368894.146681957220.03761957924410.2432722153960.859980731195-0.3674089496820.2115370785210.291752825988-0.431019026786-0.148947486938-0.2668869771490.188501845915-0.02789796953380.01897285381210.2425462112380.03118012446860.39124800539-81.7677770658-51.963584445825.2535402088
162.726530779210.413266264155-0.5465952376842.58881983932-0.9118359693792.1397104948-0.184320882072-0.17783845366-0.02133219383990.02484725314460.153960185093-0.2089635422640.1495958544640.1687171781620.03405088558760.1725461858330.01436463110070.01663147907760.171473305878-0.05968801912680.204038976329-74.9439216075-73.286764548532.9181759878
172.785486589870.4906405306560.4902492271593.815441034510.206940422712.821368345-0.124261538720.02897146472770.7599019200750.01959117417430.0677965454157-0.158102610133-0.7037824008350.1268353742350.05316794239060.272949731183-0.04722350955230.01219868668550.224293422807-0.01092945473020.451475701429-73.7221430143-51.397969515429.680025464
Refinement TLS group

Refine-ID: X-RAY DIFFRACTION

IDRefine TLS-IDSelection detailsAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11chain 'A' and (resid 232 through 340 )AA232 - 3401 - 109
22chain 'A' and (resid 341 through 419 )AA341 - 419110 - 188
33chain 'A' and (resid 420 through 432 )AA420 - 432189 - 201
44chain 'A' and (resid 433 through 506 )AA433 - 506202 - 275
55chain 'B' and (resid 233 through 288 )BC233 - 2881 - 56
66chain 'B' and (resid 289 through 327 )BC289 - 32757 - 95
77chain 'B' and (resid 328 through 444 )BC328 - 44496 - 212
88chain 'B' and (resid 445 through 506 )BC445 - 506213 - 274
99chain 'C' and (resid 234 through 288 )CE234 - 2881 - 55
1010chain 'C' and (resid 289 through 340 )CE289 - 34056 - 107
1111chain 'C' and (resid 341 through 419 )CE341 - 419108 - 186
1212chain 'C' and (resid 420 through 456 )CE420 - 456187 - 223
1313chain 'C' and (resid 457 through 484 )CE457 - 484224 - 251
1414chain 'C' and (resid 485 through 506 )CE485 - 506252 - 273
1515chain 'D' and (resid 233 through 274 )DG233 - 2741 - 42
1616chain 'D' and (resid 275 through 444 )DG275 - 44443 - 212
1717chain 'D' and (resid 445 through 506 )DG445 - 506213 - 274

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