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- PDB-4iv0: Crystal structure of N-methyl transferase from Plasmodium vivax c... -

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Basic information

Entry
Database: PDB / ID: 4iv0
TitleCrystal structure of N-methyl transferase from Plasmodium vivax complexed with S-adenosyl methionine and phosphate
ComponentsPhosphoethanolamine N-methyltransferase, putative
KeywordsTRANSFERASE / AdoMet_MTase
Function / homology
Function and homology information


phosphoethanolamine N-methyltransferase / S-adenosylmethionine-dependent methyltransferase activity
Similarity search - Function
Methyltransferase domain 25 / Methyltransferase domain / Vaccinia Virus protein VP39 / S-adenosyl-L-methionine-dependent methyltransferase superfamily / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
BETA-MERCAPTOETHANOL / PHOSPHATE ION / S-ADENOSYLMETHIONINE / phosphoethanolamine N-methyltransferase
Similarity search - Component
Biological speciesPlasmodium vivax (malaria parasite P. vivax)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 1.4 Å
AuthorsLukk, T. / Nair, S.K.
CitationJournal: To be Published
Title: Phosphoethanolamine N-methyl transferase is a Malarial drug target
Authors: Lukk, T. / Nair, S.K.
History
DepositionJan 22, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 19, 2014Provider: repository / Type: Initial release
Revision 1.1Sep 20, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_leaving_atom_flag / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Phosphoethanolamine N-methyltransferase, putative
B: Phosphoethanolamine N-methyltransferase, putative
hetero molecules


Theoretical massNumber of molelcules
Total (without water)67,3198
Polymers66,1922
Non-polymers1,1276
Water17,871992
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A: Phosphoethanolamine N-methyltransferase, putative
hetero molecules


Theoretical massNumber of molelcules
Total (without water)33,5893
Polymers33,0961
Non-polymers4932
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: Phosphoethanolamine N-methyltransferase, putative
hetero molecules


Theoretical massNumber of molelcules
Total (without water)33,7305
Polymers33,0961
Non-polymers6344
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)38.170, 86.870, 79.580
Angle α, β, γ (deg.)90.000, 101.050, 90.000
Int Tables number4
Space group name H-MP1211

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein Phosphoethanolamine N-methyltransferase, putative


Mass: 33096.000 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Plasmodium vivax (malaria parasite P. vivax)
Strain: Sal-1 / Gene: PVX_083045 / Plasmid: pET28 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)
References: UniProt: A5K867, phosphoethanolamine N-methyltransferase

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Non-polymers , 5 types, 998 molecules

#2: Chemical ChemComp-PO4 / PHOSPHATE ION


Mass: 94.971 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: PO4
#3: Chemical ChemComp-SAM / S-ADENOSYLMETHIONINE


Mass: 398.437 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C15H22N6O5S
#4: Chemical ChemComp-BME / BETA-MERCAPTOETHANOL


Mass: 78.133 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H6OS
#5: Chemical ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H6O2
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 992 / 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: 1.96 Å3/Da / Density % sol: 37.13 %
Crystal growTemperature: 277 K / Method: vapor diffusion, sitting drop / pH: 7.5
Details: Protein solution was at 15 mg/mL containing 20 mM Tris (pH 7.5), 100 mM NaCl, 10 mM EDTA and 10 mM bME, 5 mM SAM. Mother liqueur contained 0.2 M Ammonium formate and 20% PEG 3,350. ...Details: Protein solution was at 15 mg/mL containing 20 mM Tris (pH 7.5), 100 mM NaCl, 10 mM EDTA and 10 mM bME, 5 mM SAM. Mother liqueur contained 0.2 M Ammonium formate and 20% PEG 3,350. Cryoprotectant was 30% PEG 3,350 , VAPOR DIFFUSION, SITTING DROP, temperature 277K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 21-ID-F / Wavelength: 0.97872 Å
DetectorType: RAYONIX MX-225 / Detector: CCD / Date: Mar 14, 2011
RadiationMonochromator: C(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97872 Å / Relative weight: 1
ReflectionResolution: 1.4→20 Å / Num. all: 100044 / Num. obs: 98848 / % possible obs: 98.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Biso Wilson estimate: 17.259 Å2 / Rmerge(I) obs: 0.082 / Net I/σ(I): 13.61
Reflection shell

Diffraction-ID: 1

Resolution (Å)Highest resolution (Å)Rmerge(I) obsMean I/σ(I) obsNum. measured obsNum. unique obs% possible all
1.4-1.440.5562.9941913715597.4
1.44-1.480.4443.8441774703897.2
1.48-1.520.3724.5541175685798.4
1.52-1.570.315.5240794669098.5
1.57-1.620.2646.4739649643098.2
1.62-1.670.2277.4639250629998.4
1.67-1.740.1968.6938238611098.7
1.74-1.810.16410.3437045588299.5
1.81-1.890.13612.2335579562199.2
1.89-1.980.11214.5234134539699.3
1.98-2.090.0918.0232237510999.5
2.09-2.210.0819.4630948490299.5
2.21-2.370.07321.0528791457099.7
2.37-2.560.06623.6526951429299.5
2.56-2.80.0625.6824535391299.8
2.8-3.130.05328.3722329358099.9
3.13-3.610.04630.8419637314199.6
3.61-4.430.04232.9816649266499.7
4.43-6.260.04133.5313012208499.8
6.260.03833.266717111696

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassificationNB
XSCALEdata scaling
PHASERphasing
PHENIX1.7.3_928refinement
PDB_EXTRACT3.11data extraction
HKL-2000data collection
XDSdata reduction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 3UJ6
Resolution: 1.4→19.684 Å / Occupancy max: 1 / Occupancy min: 0.17 / FOM work R set: 0.9157 / SU ML: 0.14 / σ(F): 2.03 / Phase error: 15.91 / Stereochemistry target values: ML
RfactorNum. reflection% reflectionSelection details
Rfree0.1785 4943 5 %random
Rwork0.1573 ---
all0.166 100044 --
obs0.1583 98845 98.87 %-
Solvent computationShrinkage radii: 0.86 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 32.677 Å2 / ksol: 0.308 e/Å3
Displacement parametersBiso max: 70.3 Å2 / Biso mean: 14.4367 Å2 / Biso min: 3.08 Å2
Baniso -1Baniso -2Baniso -3
1--0.0568 Å20 Å20.0505 Å2
2--0.0158 Å2-0 Å2
3---0.041 Å2
Refinement stepCycle: LAST / Resolution: 1.4→19.684 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4309 0 72 992 5373
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0064556
X-RAY DIFFRACTIONf_angle_d1.1376125
X-RAY DIFFRACTIONf_chiral_restr0.078646
X-RAY DIFFRACTIONf_plane_restr0.005759
X-RAY DIFFRACTIONf_dihedral_angle_d13.2241760
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 30

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
1.4-1.41590.22871610.21053059322096
1.4159-1.43260.21961610.20273056321799
1.4326-1.45010.23171630.19413087325098
1.4501-1.46840.21121620.18193086324896
1.4684-1.48770.22781610.18493066322799
1.4877-1.50810.2341650.1793130329599
1.5081-1.52960.1941640.16953109327397
1.5296-1.55240.24521610.16383067322899
1.5524-1.57670.19881640.16243120328499
1.5767-1.60250.17991630.15583096325998
1.6025-1.63020.17671650.15543134329999
1.6302-1.65980.19541640.15613103326798
1.6598-1.69170.19351640.153231193283100
1.6917-1.72620.18131660.14893159332599
1.7262-1.76370.18061620.15463071323399
1.7637-1.80470.17631660.15483162332899
1.8047-1.84980.19761640.15363115327999
1.8498-1.89980.17651660.15713161332799
1.8998-1.95560.18681630.1653095325899
1.9556-2.01870.18671680.15773190335899
2.0187-2.09080.18431650.156331283293100
2.0908-2.17440.1611660.149731533319100
2.1744-2.27320.16891670.159231753342100
2.2732-2.39290.16581670.147531743341100
2.3929-2.54250.17631660.15831533319100
2.5425-2.73830.17651670.162431753342100
2.7383-3.0130.18781660.159231593325100
3.013-3.4470.16651670.14831743341100
3.447-4.33520.14211680.136731953363100
4.3352-19.68580.15871710.156932313402100
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)
10.0003-0.00040.0003-0.0003-0.00020.0004-0.0007-0.0015-0.00160.00420.0049-0.0082-0.0009-0.002200.03970.0282-0.03370.0750.01980.03786.1103-20.25930.5209
20.0005-0.002200.00150.0020.00090.00580.0031-0.05280.00610.030.02220.0122-0.0088-00.00440.006-0.01520.00030.0283-0.0392-9.4105-27.0889-11.9026
3-0.00040.00030.00020.0004-0.00020.0004-0.0031-0.0005-0.00680.0046-0.00370.00440.0051-0.0012-00.0630.00590.00920.03530.0210.0517-7.0461-35.0881-4.5326
40.0002-0.00060.00090.00030.00040.0003-0.0072-0.0044-0.0022-0.0012-0.001-0.00480.00310.0043-00.00790.0384-0.01530.0018-0.01860.03016.5548-34.3216-15.1159
5-0.0002-0.0011-0.0005-0.00020.0016-0.0011-0.00770.00160.00050.00190.0034-0.0137-0.00080.01150-0.12720.06970.0096-0.0259-0.0247-0.01146.2313-24.0758-16.2209
60.0010.00010.00050.0003-0.00120.0008-0.03580.0050.0175-0.0025-0.0174-0.0292-0.00010.0123-0-0.06540.0104-0.0401-0.0361-0.0168-0.01563.7123-11.8578-12.5413
70-0.0008-0.0013-0.0004-0.00050.00040.0031-0.00130.0068-0.0010.00510.0039-0.00980.0044-0-0.0325-0.00130.0550.0182-0.0128-0.03564.4689-16.9737-25.4414
80.0002-0.0011-0.0019-0.00140.0003-0.00050.0183-0.03090.00640.0127-0.00140.0024-0.0068-0.0218-0-0.10450.08940.0436-0.05280.0222-0.1179-12.9661-8.3406-3.2936
90.00080.0006-0.00060.0007-0.00040.0006-0.00510.01080.0019-0.0033-0.0011-0.0031-0.00390.0012-0-0.00980.01710.0189-0.0222-0.01620.0042-0.3954-15.9206-21.8279
1000.00010.00050.00030.0010.00030.0112-0.0077-0.00290.00710.0063-0.01090.00180.011500.0187-0.01510.01980.0057-0.00770.0304-0.219-27.1272-56.0471
110.0009-0.0001-0.00230.00210.00090.00270.00240.01020.0136-0.0110.02120.0202-0.00540.0032-00.0568-0.0011-0.00320.06040.00110.0631-21.0327-14.377-55.0763
120.00010-0.00050.0008-0.000900.00690.00160.0098-0.00440.00730.006-0.0093-0.0005-00.031-0.0073-0.0005-0.02230.0170.0022-10.7224-7.8113-57.5327
130.00110.0009-0.00030.0012-0.0010.00070.0084-0.00670.01020.00760.00170.0068-0.00750.0052-00.0469-0.0011-0.00380.05-0.00130.0472-16.1096-14.5591-40.3006
140.00260.0036-0.00190.0016-0.0001-0.00010.0059-0.01570.00330.0091-0.00740.00690.01250.002200.05590.0012-0.0010.03740.00220.0545-18.3519-27.3639-42.0446
150.00080.0019-0.00160.0027-0.0020.0023-0.0003-0.0196-0.00190.0058-0.0253-0.01460.01550.0061-00.057-0.0004-0.00240.06220.00260.062-16.273-28.8828-40.5793
160.00070.00020.00100.00110.0015-0.00340.01170.0012-0.01710.00240.0015-0.00280.008900.0741-0.00530.00420.0661-0.00040.0428-13.0866-32.9278-64.8471
170.0003-0.00060.00030.00040.00080.0013-0.00470.00760.00030.00180.0031-0.0067-0.00670.013-00.0809-0.00240.00530.06290.00040.0484-6.5021-35.4043-59.1499
180.00110.0011-0.00040.001-0.00120.00150.0081-0.01150.00150.0062-0.0040.00790.0043-0.0028-00.06370.0027-0.0020.0324-0.00090.0634-23.1142-26.9911-43.5662
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1chain 'A' and (resseq 2:17)A2 - 17
2X-RAY DIFFRACTION2chain 'A' and (resseq 18:84)A18 - 84
3X-RAY DIFFRACTION3chain 'A' and (resseq 85:105)A85 - 105
4X-RAY DIFFRACTION4chain 'A' and (resseq 106:119)A106 - 119
5X-RAY DIFFRACTION5chain 'A' and (resseq 120:145)A120 - 145
6X-RAY DIFFRACTION6chain 'A' and (resseq 146:182)A146 - 182
7X-RAY DIFFRACTION7chain 'A' and (resseq 183:203)A183 - 203
8X-RAY DIFFRACTION8chain 'A' and (resseq 204:249)A204 - 249
9X-RAY DIFFRACTION9chain 'A' and (resseq 250:264)A250 - 264
10X-RAY DIFFRACTION10chain 'B' and (resseq 5:28)B5 - 28
11X-RAY DIFFRACTION11chain 'B' and (resseq 29:84)B29 - 84
12X-RAY DIFFRACTION12chain 'B' and (resseq 85:105)B85 - 105
13X-RAY DIFFRACTION13chain 'B' and (resseq 106:145)B106 - 145
14X-RAY DIFFRACTION14chain 'B' and (resseq 146:166)B146 - 166
15X-RAY DIFFRACTION15chain 'B' and (resseq 167:203)B167 - 203
16X-RAY DIFFRACTION16chain 'B' and (resseq 204:228)B204 - 228
17X-RAY DIFFRACTION17chain 'B' and (resseq 229:249)B229 - 249
18X-RAY DIFFRACTION18chain 'B' and (resseq 250:264)B250 - 264

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