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- PDB-3g3c: Mth0212 (WT) in complex with a 6bp dsDNA containing a single one ... -

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Basic information

Entry
Database: PDB / ID: 3g3c
TitleMth0212 (WT) in complex with a 6bp dsDNA containing a single one nucleotide long 3'-overhang
Components
  • 5'-D(*CP*GP*TP*AP*(UPS)P*TP*AP*CP*G)-3'
  • 5'-D(*CP*GP*TP*AP*CP*TP*AP*CP*G)-3'
  • Exodeoxyribonuclease
KeywordsHYDROLASE/DNA / protein-DNA complex / HYDROLASE-DNA COMPLEX
Function / homology
Function and homology information


double-stranded DNA 3'-5' DNA exonuclease activity / exodeoxyribonuclease III / phosphoric diester hydrolase activity / class I DNA-(apurinic or apyrimidinic site) endonuclease activity / DNA-(apurinic or apyrimidinic site) lyase / base-excision repair / endonuclease activity / DNA binding / metal ion binding
Similarity search - Function
AP endonuclease 1, binding site / AP endonucleases family 1 signature 1. / AP endonuclease 1 / AP endonucleases family 1 profile. / Deoxyribonuclease I; Chain A / Endonuclease/exonuclease/phosphatase / Endonuclease/exonuclease/phosphatase / Endonuclease/Exonuclease/phosphatase family / Endonuclease/exonuclease/phosphatase superfamily / 4-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
PHOSPHATE ION / DNA / DNA uridine endonuclease
Similarity search - Component
Biological speciesMethanothermobacter thermautotrophicus (archaea)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 3.04 Å
AuthorsLakomek, K. / Dickmanns, A. / Ficner, R.
Citation
Journal: J.Mol.Biol. / Year: 2010
Title: Crystal Structure Analysis of DNA Uridine Endonuclease Mth212 Bound to DNA
Authors: Lakomek, K. / Dickmanns, A. / Ciirdaeva, E. / Schomacher, L. / Ficner, R.
#1: Journal: Nucleic Acids Res. / Year: 2006
Title: The Methanothermobacter thermautotrophicus ExoIII homologue Mth212 is a DNA uridine endonuclease
Authors: Georg, J. / Schomacher, L. / Chong, J.P.J. / Majernik, A.I. / Raabe, M. / Urlaub, H. / Muller, S. / Ciirdaeva, E. / Kramer, W. / Fritz, H.-J.
History
DepositionFeb 2, 2009Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Mar 9, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Feb 12, 2014Group: Derived calculations
Revision 1.3Nov 1, 2017Group: Refinement description / Category: software
Revision 1.4Nov 1, 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 / pdbx_struct_conn_angle / struct_conn / struct_ncs_dom_lim / 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 / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.beg_label_asym_id / _struct_ncs_dom_lim.beg_label_comp_id / _struct_ncs_dom_lim.beg_label_seq_id / _struct_ncs_dom_lim.end_auth_comp_id / _struct_ncs_dom_lim.end_label_asym_id / _struct_ncs_dom_lim.end_label_comp_id / _struct_ncs_dom_lim.end_label_seq_id / _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

Downloads & links

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Assembly

Deposited unit
A: Exodeoxyribonuclease
B: Exodeoxyribonuclease
H: 5'-D(*CP*GP*TP*AP*CP*TP*AP*CP*G)-3'
I: 5'-D(*CP*GP*TP*AP*(UPS)P*TP*AP*CP*G)-3'
hetero molecules


Theoretical massNumber of molelcules
Total (without water)68,6679
Polymers68,3104
Non-polymers3575
Water543
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4850 Å2
ΔGint-44 kcal/mol
Surface area23280 Å2
MethodPISA
Unit cell
Length a, b, c (Å)100.354, 79.337, 98.550
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
12A
22B
13A
23B
14A
24B
15A
25B
16A
26B
17A
27B
18A
28B
19A
29B
110A
210B
111A
211B
112A
212B
113A
213B
114A
214B
115A
215B
116A
216B
117A
217B
118A
218B
119A
219B
120A
220B
121A
221B

NCS domain segments:

Component-ID: 1

Dom-IDEns-IDBeg auth comp-IDBeg label comp-IDEnd auth comp-IDEnd label comp-IDRefine codeAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11SERSERPHEPHE1AA8 - 228 - 22
21SERSERPHEPHE1BB8 - 228 - 22
12ALAALAALAALA1AA41 - 4241 - 42
22ALAALAALAALA1BB41 - 4241 - 42
13GLNGLNARGARG1AA45 - 5145 - 51
23GLNGLNARGARG1BB45 - 5145 - 51
14VALVALLYSLYS1AA53 - 7653 - 76
24VALVALLYSLYS1BB53 - 7653 - 76
15ARGARGPHEPHE1AA83 - 9183 - 91
25ARGARGPHEPHE1BB83 - 9183 - 91
16GLUGLUGLUGLU1AA94 - 13994 - 139
26GLUGLUGLUGLU1BB94 - 13994 - 139
17ARGARGLEULEU1AA144 - 174144 - 174
27ARGARGLEULEU1BB144 - 174144 - 174
18GLUGLUASPASP1AA177 - 199177 - 199
28GLUGLUASPASP1BB177 - 199177 - 199
19GLYGLYILEILE1AA201 - 255201 - 255
29GLYGLYILEILE1BB201 - 255201 - 255
110ALAALAILEILE5AA2 - 72 - 7
210ALAALAILEILE5BB2 - 72 - 7
111LEULEULYSLYS5AA23 - 2423 - 24
211LEULEULYSLYS5BB23 - 2423 - 24
112LYSLYSLYSLYS5AA4040
212LYSLYSLYSLYS5BB4040
113HISHISHISHIS5AA5252
213HISHISHISHIS5BB5252
114ASPASPTHRTHR5AA92 - 9392 - 93
214ASPASPTHRTHR5BB92 - 9392 - 93
115METMETASPASP6AA27 - 3227 - 32
215METMETASPASP6BB27 - 3227 - 32
116PROPROGLUGLU6AA43 - 4443 - 44
216PROPROGLUGLU6BB43 - 4443 - 44
117VALVALLEULEU6AA77 - 8277 - 82
217VALVALLEULEU6BB77 - 8277 - 82
118ARGARGGLYGLY6AA140 - 143140 - 143
218ARGARGGLYGLY6BB140 - 143140 - 143
119PROPROVALVAL6AA175 - 176175 - 176
219PROPROVALVAL6BB175 - 176175 - 176
120PROPROPROPRO6AA200200
220PROPROPROPRO6BB200200
121GLUGLUGLUGLU6AA256256
221GLUGLUGLUGLU6BB256256

NCS ensembles :
ID
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein Exodeoxyribonuclease / Mth0212


Mass: 31430.650 Da / Num. of mol.: 2 / Mutation: T2A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Methanothermobacter thermautotrophicus (archaea)
Strain: Delta H (DSM 1053) / Gene: mth0212, MTH212, MTH_212 / Plasmid: pET_B_001-mth212 (WT) / Production host: Escherichia coli (E. coli) / Strain (production host): BL21-CodonPlus(DE3)-RIL / References: UniProt: O26314, exodeoxyribonuclease III

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DNA chain , 2 types, 2 molecules HI

#2: DNA chain 5'-D(*CP*GP*TP*AP*CP*TP*AP*CP*G)-3'


Mass: 2715.799 Da / Num. of mol.: 1 / Source method: obtained synthetically
#3: DNA chain 5'-D(*CP*GP*TP*AP*(UPS)P*TP*AP*CP*G)-3'


Mass: 2732.849 Da / Num. of mol.: 1 / Source method: obtained synthetically

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Non-polymers , 4 types, 8 molecules

#4: Chemical ChemComp-PO4 / PHOSPHATE ION


Mass: 94.971 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: PO4
#5: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mg
#6: Chemical ChemComp-MRD / (4R)-2-METHYLPENTANE-2,4-DIOL


Mass: 118.174 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C6H14O2 / Comment: precipitant*YM
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 3 / Source method: isolated from a natural source / Formula: H2O

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Details

Compound detailsTHE 3'-END OF BOTH CHAINS(H AND I) ARE BOUND TO ROX 5/6 NHS MIXTURE (FLUORESCENCE DYE), WHICH IS ...THE 3'-END OF BOTH CHAINS(H AND I) ARE BOUND TO ROX 5/6 NHS MIXTURE (FLUORESCENCE DYE), WHICH IS NOT SHOWN IN THIS ENTRY.

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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: 2.87 Å3/Da / Density % sol: 57.17 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 7
Details: reservoir: 40mM MgAc/50mM NaCac pH 6.0, 20% MPD; complex solution: 50mM KCl, 10mM KH2PO4/K2HPO4 pH 7.0, 1mM MgCl2, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Components of the solutions
IDNameCrystal-IDSol-ID
1KCl11
2KH2PO4/K2HPO411
3MgCl211
4H2O11
5MgAc12
6NaCac12
7MPD12
8H2O12

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: BESSY / Beamline: 14.2 / Wavelength: 0.91841 Å
DetectorType: MAR CCD 165 mm / Detector: CCD / Date: Feb 6, 2008
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.91841 Å / Relative weight: 1
ReflectionResolution: 3.04→50 Å / Num. obs: 15706 / % possible obs: 100 % / Redundancy: 7.3 % / Rsym value: 0.082 / Net I/σ(I): 26.3
Reflection shellResolution: 3.04→3.15 Å / Redundancy: 6.8 % / Mean I/σ(I) obs: 4.1 / Rsym value: 0.509 / % possible all: 100

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACT3.006data extraction
MAR345data collection
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 3FZI
Resolution: 3.04→15 Å / Cor.coef. Fo:Fc: 0.924 / Cor.coef. Fo:Fc free: 0.877 / Occupancy max: 1 / Occupancy min: 1 / FOM work R set: 0.766 / SU B: 23.158 / SU ML: 0.4 / SU R Cruickshank DPI: 1.407 / SU Rfree: 0.518 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R Free: 0.507 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.29432 773 5 %RANDOM
Rwork0.23628 ---
obs0.23894 14742 99.63 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso max: 104.24 Å2 / Biso mean: 72.524 Å2 / Biso min: 28.01 Å2
Baniso -1Baniso -2Baniso -3
1-1.5 Å20 Å20 Å2
2---7.18 Å20 Å2
3---5.68 Å2
Refinement stepCycle: LAST / Resolution: 3.04→15 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4270 278 20 3 4571
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0080.0224711
X-RAY DIFFRACTIONr_angle_refined_deg1.1122.0236410
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.955510
X-RAY DIFFRACTIONr_dihedral_angle_2_deg33.61522.75240
X-RAY DIFFRACTIONr_dihedral_angle_3_deg17.35715760
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.651546
X-RAY DIFFRACTIONr_chiral_restr0.0680.2645
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.0213580
X-RAY DIFFRACTIONr_mcbond_it0.5281.52544
X-RAY DIFFRACTIONr_mcangle_it1.10124100
X-RAY DIFFRACTIONr_scbond_it1.17932167
X-RAY DIFFRACTIONr_scangle_it2.024.52310
Refine LS restraints NCS

Refine-ID: X-RAY DIFFRACTION

Ens-IDDom-IDAuth asym-IDNumberTypeRms dev position (Å)Weight position
11A123tight positional0.020.05
21A10tight positional0.010.05
31A63tight positional0.020.05
41A193tight positional0.020.05
51A77tight positional0.020.05
61A400tight positional0.040.05
71A244tight positional0.030.05
81A201tight positional0.020.05
91A473tight positional0.020.05
101A24medium positional0.140.5
111A8medium positional0.040.5
121A4medium positional0.030.5
131A4medium positional0.110.5
141A8medium positional0.040.5
102B21loose positional0.265
112B9loose positional1.415
122B5loose positional0.465
132B6loose positional1.855
142B7loose positional0.085
152B50loose positional0.995
162B16loose positional0.415
172B41loose positional0.445
182B29loose positional0.475
192B14loose positional0.185
202B7loose positional0.145
212B9loose positional0.45
11A123tight thermal0.040.5
21A10tight thermal0.040.5
31A63tight thermal0.030.5
41A193tight thermal0.040.5
51A77tight thermal0.040.5
61A400tight thermal0.030.5
71A244tight thermal0.030.5
81A201tight thermal0.040.5
91A473tight thermal0.040.5
101A24medium thermal0.262
111A8medium thermal0.792
121A4medium thermal0.662
131A4medium thermal0.142
141A8medium thermal0.052
102B21loose thermal0.3310
112B9loose thermal0.3910
122B5loose thermal0.4310
132B6loose thermal0.3210
142B7loose thermal0.2410
152B50loose thermal3.5110
162B16loose thermal0.3610
172B41loose thermal1.1510
182B29loose thermal0.3210
192B14loose thermal0.410
202B7loose thermal0.310
212B9loose thermal1.7310
LS refinement shellResolution: 3.038→3.114 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.376 55 -
Rwork0.341 1003 -
all-1058 -
obs--95.49 %

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