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Basic information

Entry
Database: PDB / ID: 2o57
TitleCrystal Structure of a putative sarcosine dimethylglycine methyltransferase from Galdieria sulphuraria
Componentsputative sarcosine dimethylglycine methyltransferase
KeywordsSTRUCTURAL GENOMICS / UNKNOWN FUNCTION / Protein Structure Initiative / PSI-2 / Center for Eukaryotic Structural Genomics / CESG
Function / homologyMycolic acid cyclopropane synthase domain like / Vaccinia Virus protein VP39 / Helix Hairpins / Rossmann fold / Orthogonal Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Function and homology information
Biological speciesGaldieria sulphuraria (eukaryote)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MAD / Resolution: 1.946 Å
AuthorsMccoy, J.G. / Wesenberg, G.E. / Phillips Jr., G.N. / Bitto, E. / Bingman, C.A. / Center for Eukaryotic Structural Genomics (CESG)
CitationJournal: To be Published
Title: Crystal Structure of a putative sarcosine dimethylglycine methyltransferase from Galdieria sulphuraria
Authors: Mccoy, J.G. / Wesenberg, G.E. / Phillips Jr., G.N. / Bitto, E. / Bingman, C.A.
History
DepositionDec 5, 2006Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 19, 2006Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 18, 2017Group: Refinement description / Category: software
Item: _software.classification / _software.contact_author ..._software.classification / _software.contact_author / _software.contact_author_email / _software.date / _software.language / _software.location / _software.name / _software.type / _software.version
Revision 1.4Dec 27, 2023Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_conn
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_leaving_atom_flag
Revision 1.5Oct 16, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature
Remark 999SEQUENCE The sequence of the protein is not available at the UNP database at the time of processing.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: putative sarcosine dimethylglycine methyltransferase
B: putative sarcosine dimethylglycine methyltransferase
C: putative sarcosine dimethylglycine methyltransferase
D: putative sarcosine dimethylglycine methyltransferase


Theoretical massNumber of molelcules
Total (without water)134,9364
Polymers134,9364
Non-polymers00
Water18,7721042
1
A: putative sarcosine dimethylglycine methyltransferase
B: putative sarcosine dimethylglycine methyltransferase


Theoretical massNumber of molelcules
Total (without water)67,4682
Polymers67,4682
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2280 Å2
ΔGint-2 kcal/mol
Surface area23590 Å2
MethodPISA
2
C: putative sarcosine dimethylglycine methyltransferase
D: putative sarcosine dimethylglycine methyltransferase


Theoretical massNumber of molelcules
Total (without water)67,4682
Polymers67,4682
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2360 Å2
ΔGint-4 kcal/mol
Surface area22900 Å2
MethodPISA
Unit cell
Length a, b, c (Å)97.541, 291.433, 86.340
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number20
Space group name H-MC2221
DetailsThe biological unit is a dimer. There are 2 biological units in the asymmetric unit (chains A & B and chains C & D).

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Components

#1: Protein
putative sarcosine dimethylglycine methyltransferase


Mass: 33734.117 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Galdieria sulphuraria (eukaryote) / Gene: C1006_101305G20.T1 (MSU_GALDI) / Plasmid: PVP 16 / Production host: Escherichia coli (E. coli) / Strain (production host): B834 P(RARE2)
#2: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1042 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY

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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: 2.3 Å3/Da / Density % sol: 46.2 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop
Details: Protein Solution (10 MG/ML protein, 0.050 M sodium chloride, 0.0031 M sodium azide, 0.0003 M TCEP, 0.005 M Bis Tris pH 7.0) mixed in a 1:1 ratio with the Well Solution (23% MEPEG 5K, 0.03 M ...Details: Protein Solution (10 MG/ML protein, 0.050 M sodium chloride, 0.0031 M sodium azide, 0.0003 M TCEP, 0.005 M Bis Tris pH 7.0) mixed in a 1:1 ratio with the Well Solution (23% MEPEG 5K, 0.03 M sarcosine, 0.1 M MOPS pH 7.0), Cryoprotected with: well solution supplemented with up to 15% glycerol, vapor diffusion, hanging drop, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 23-ID-D / Wavelength: 0.97923, 0.96400
DetectorType: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Nov 8, 2006 / Details: Adjustable focusing mirrors in K-B geometry
RadiationMonochromator: Si(111) Double Crystal Monochromator / Protocol: MAD / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelength
IDWavelength (Å)Relative weight
10.979231
20.9641
ReflectionResolution: 1.95→50 Å / Num. obs: 89709 / % possible obs: 99.4 % / Redundancy: 7.2 % / Rmerge(I) obs: 0.11 / Χ2: 1.001 / Net I/σ(I): 7.618
Reflection shell
Resolution (Å)Redundancy (%)Rmerge(I) obsMean I/σ(I) obsNum. unique allΧ2% possible all
1.95-2.025.10.5971.77584710.84695
2.02-2.16.80.47689010.999.7
2.1-2.27.50.37289160.92100
2.2-2.317.60.27489560.989100
2.31-2.467.60.21989811.071100
2.46-2.657.60.17889721.081100
2.65-2.917.60.13689931.073100
2.91-3.337.60.09390571.024100
3.33-4.27.50.07991061.021100
4.2-48.7717.30.06693561.00699.6

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Phasing

PhasingMethod: MAD
Phasing MAD set

Highest resolution: 1.95 Å / Lowest resolution: 46.25 Å

IDR cullis acentricR cullis centricPower acentricPower centricReflection acentricReflection centric
ISO_10000831296274
ISO_20.640.6251.2641.081824436254
ANO_10.67301.6220823100
ANO_20.78401.1770823870
Phasing MAD set shell
IDResolution (Å)R cullis acentricR cullis centricPower acentricPower centricReflection acentricReflection centric
ISO_18.58-46.250000848288
ISO_16.12-8.5800001630317
ISO_15.01-6.1200002155318
ISO_14.34-5.0100002560319
ISO_13.89-4.3400002932322
ISO_13.55-3.8900003252317
ISO_13.29-3.5500003544318
ISO_13.08-3.2900003810318
ISO_12.9-3.0800004082318
ISO_12.76-2.900004323320
ISO_12.63-2.7600004547323
ISO_12.52-2.6300004735313
ISO_12.42-2.5200005000325
ISO_12.33-2.4200005155305
ISO_12.25-2.3300005388333
ISO_12.18-2.2500005543313
ISO_12.11-2.1800005760319
ISO_12.06-2.1100005895320
ISO_12-2.0600006037301
ISO_11.95-200005933267
ANO_18.58-46.250.38703.65108460
ANO_16.12-8.580.32104.164016300
ANO_15.01-6.120.33703.936021550
ANO_14.34-5.010.47502.784025600
ANO_13.89-4.340.45802.871029320
ANO_13.55-3.890.49502.609032520
ANO_13.29-3.550.52102.348035440
ANO_13.08-3.290.50502.428038100
ANO_12.9-3.080.55402.164040820
ANO_12.76-2.90.59201.899043230
ANO_12.63-2.760.66101.626045470
ANO_12.52-2.630.69301.485047350
ANO_12.42-2.520.75201.294050000
ANO_12.33-2.420.79501.138051550
ANO_12.25-2.330.83800.966053880
ANO_12.18-2.250.89200.853055430
ANO_12.11-2.180.91300.76057600
ANO_12.06-2.110.93300.67058910
ANO_12-2.060.97300.624059060
ANO_11.95-20.98800.591052510
ISO_28.58-46.250.3950.3883.3122.345845287
ISO_26.12-8.580.4210.4193.2262.1111630317
ISO_25.01-6.120.4660.4592.8182.2862155318
ISO_24.34-5.010.5620.6351.9381.3862560319
ISO_23.89-4.340.6040.621.8291.1582932322
ISO_23.55-3.890.630.6611.6331.0223252317
ISO_23.29-3.550.6590.6381.5811.0523544318
ISO_23.08-3.290.6170.6391.5711.0183810318
ISO_22.9-3.080.6240.6221.5350.9714082318
ISO_22.76-2.90.6280.6561.4421.0014323320
ISO_22.63-2.760.6420.6361.3550.8644547323
ISO_22.52-2.630.6420.6981.2280.8844735313
ISO_22.42-2.520.6590.6871.0930.7624999325
ISO_22.33-2.420.6650.6830.9870.6425155305
ISO_22.25-2.330.6630.6840.8420.5925388333
ISO_22.18-2.250.670.7160.7330.4845542313
ISO_22.11-2.180.6710.7240.6540.4325760319
ISO_22.06-2.110.6670.740.5770.3765895319
ISO_22-2.060.6880.7450.5010.3266034301
ISO_21.95-20.7370.7620.4230.3015255249
ANO_28.58-46.250.37603.44708440
ANO_26.12-8.580.32403.925016300
ANO_25.01-6.120.34503.777021550
ANO_24.34-5.010.4702.822025600
ANO_23.89-4.340.46902.861029320
ANO_23.55-3.890.52602.519032520
ANO_23.29-3.550.55702.249035440
ANO_23.08-3.290.56502.115038100
ANO_22.9-3.080.63801.755040820
ANO_22.76-2.90.68501.549043230
ANO_22.63-2.760.75601.332045470
ANO_22.52-2.630.79201.121047350
ANO_22.42-2.520.83900.952049990
ANO_22.33-2.420.87600.831051550
ANO_22.25-2.330.91400.703053880
ANO_22.18-2.250.94100.599055420
ANO_22.11-2.180.95100.524057600
ANO_22.06-2.110.96500.451058950
ANO_22-2.060.98300.398060310
ANO_21.95-20.99100.357052030
Phasing MAD set site
IDCartn x (Å)Cartn y (Å)Cartn z (Å)Atom type symbolB isoOccupancy
172.39-45.2687.596SE26.631.25
237.866-48.7591.017SE21.71.13
316.739-23.3035.971SE23.931.19
4-12.973-49.1566.679SE25.711.19
514.343-120.7042.318SE25.511.16
628.248-27.6638.977SE26.341.17
723.541-50.29811.99SE26.731.12
828.066-44.9078.06SE28.671.15
975.354-22.30410.801SE32.281.15
1014.397-60.3323.102SE24.831.06
1171.889-28.0556.331SE31.581.24
1214.452-83.3942.845SE26.321.1
1367.645-29.733.49SE30.11.07
14-32.201-108.5017.66SE28.410.97
15-8.719-134.134-0.213SE24.461.13
1677.475-43.7888.081SE28.991.09
1733.903-22.61911.826SE30.941.13
1866.829-50.6039.579SE34.911.11
19-14.807-112.21410.366SE24.630.89
2023.179-28.9068.631SE29.421.08
2121.289-105.66812.605SE31.960.87
2232.844-43.5746.03SE30.11.07
2337.631-110.36.834SE31.710.78
2485.982-9.7633.816SE49.390.9
25-27.463-40.183-9.663SE60.730.5
26-13.352-35.287-4.623SE43.740.42
27-23.322-19.992-75.867SE35.80.11
28-18.094-37.799-38.439SE33.690.15
29-33.24-33.328-35.233SE39.460.34
30-12.358-51.992-78.595SE19.780.07
Phasing dmMethod: Solvent flattening and Histogram matching / Reflection: 89403
Phasing dm shell
Resolution (Å)Delta phi finalFOM Reflection
10.57-10046.90.877613
7.47-10.57430.9461100
6.1-7.4742.20.9291395
5.29-6.141.80.9331646
4.73-5.2941.40.9481838
4.32-4.7342.90.9472009
4-4.3242.10.9472199
3.74-443.20.942328
3.52-3.7445.60.9352511
3.34-3.5247.40.932598
3.19-3.3447.90.9222779
3.05-3.1949.10.9172872
2.93-3.0548.50.913000
2.82-2.93510.9093116
2.73-2.8250.60.9063220
2.64-2.7354.60.9023302
2.56-2.6454.50.9043419
2.49-2.5654.70.9013523
2.42-2.4957.10.8983631
2.36-2.4258.20.8973704
2.31-2.3660.90.9053829
2.25-2.3161.30.93883
2.2-2.2564.90.9033959
2.16-2.267.80.94077
2.11-2.1669.10.8924169
2.07-2.1170.40.8934188
2.03-2.0772.60.8784330
2-2.0378.40.8494335
1.95-280.10.7985830

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
SHARPphasing
DM5phasing
REFMAC5.2.0005refinement
PDB_EXTRACT2data extraction
HKL-2000data reduction
RefinementMethod to determine structure: MAD / Resolution: 1.946→48.771 Å / Cor.coef. Fo:Fc: 0.964 / Cor.coef. Fo:Fc free: 0.935 / WRfactor Rfree: 0.225 / WRfactor Rwork: 0.168 / SU B: 6.616 / SU ML: 0.099 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.152 / ESU R Free: 0.149 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.221 4502 5.02 %RANDOM
Rwork0.166 ---
obs0.168 89679 99.242 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK BULK SOLVENT
Displacement parametersBiso mean: 21.559 Å2
Baniso -1Baniso -2Baniso -3
1-0.295 Å20 Å20 Å2
2---0.701 Å20 Å2
3---0.406 Å2
Refinement stepCycle: LAST / Resolution: 1.946→48.771 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms8744 0 0 1042 9786
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0170.0228939
X-RAY DIFFRACTIONr_angle_refined_deg1.4521.95812053
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.02651106
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.25723.759439
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.913151604
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.4671570
X-RAY DIFFRACTIONr_chiral_restr0.1050.21266
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.026842
X-RAY DIFFRACTIONr_nbd_refined0.2060.24484
X-RAY DIFFRACTIONr_nbtor_refined0.3020.26105
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1550.2928
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2230.294
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1410.248
X-RAY DIFFRACTIONr_mcbond_it0.8481.55644
X-RAY DIFFRACTIONr_mcangle_it1.35228700
X-RAY DIFFRACTIONr_scbond_it2.30533831
X-RAY DIFFRACTIONr_scangle_it3.4454.53343
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 20

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
1.946-1.9970.3082900.235730660691.129
1.997-2.0520.2663220.1996080645299.225
2.052-2.1110.2312900.1755998629099.968
2.111-2.1760.2232950.16957956090100
2.176-2.2470.2333060.1655592589999.983
2.247-2.3260.2093210.16454265747100
2.326-2.4140.2142850.16452205505100
2.414-2.5130.2272950.16850575352100
2.513-2.6240.2412140.1734874508999.98
2.624-2.7520.2282540.17246524906100
2.752-2.9010.2252200.16944404660100
2.901-3.0770.2392320.1742014433100
3.077-3.2890.2372060.16639404146100
3.289-3.5530.2252020.15336833885100
3.553-3.8920.1911830.14434103593100
3.892-4.3510.1981690.14130933262100
4.351-5.0230.1781380.14727622900100
5.023-6.150.2471270.19223382465100
6.15-8.690.213970.1851848194899.846
8.69-48.7710.21560.1771038113696.303

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