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- PDB-2hik: heterotrimeric PCNA sliding clamp -

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Basic information

Entry
Database: PDB / ID: 2hik
Titleheterotrimeric PCNA sliding clamp
Components
  • PCNA1 (SSO0397)
  • PCNA2 (SSO1047)
  • PCNA3 (SSO0405)
KeywordsREPLICATION / PCNA sliding clamp / processivity factor / DNA replication / heterotrimer
Function / homology
Function and homology information


leading strand elongation / DNA polymerase processivity factor activity / regulation of DNA replication / DNA binding
Similarity search - Function
Box / Proliferating Cell Nuclear Antigen / Proliferating Cell Nuclear Antigen - #10 / Proliferating cell nuclear antigen, PCNA, conserved site / Proliferating cell nuclear antigen signature 1. / Proliferating cell nuclear antigen, PCNA / Proliferating cell nuclear antigen, PCNA, N-terminal / Proliferating cell nuclear antigen, PCNA, C-terminal / Proliferating cell nuclear antigen, N-terminal domain / Proliferating cell nuclear antigen, C-terminal domain ...Box / Proliferating Cell Nuclear Antigen / Proliferating Cell Nuclear Antigen - #10 / Proliferating cell nuclear antigen, PCNA, conserved site / Proliferating cell nuclear antigen signature 1. / Proliferating cell nuclear antigen, PCNA / Proliferating cell nuclear antigen, PCNA, N-terminal / Proliferating cell nuclear antigen, PCNA, C-terminal / Proliferating cell nuclear antigen, N-terminal domain / Proliferating cell nuclear antigen, C-terminal domain / : / Alpha Beta
Similarity search - Domain/homology
DNA polymerase sliding clamp 3 / DNA polymerase sliding clamp 1 / DNA polymerase sliding clamp 2
Similarity search - Component
Biological speciesSulfolobus solfataricus (archaea)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.3 Å
AuthorsPascal, J.M. / Tsodikov, O.V. / Ellenberger, T.
CitationJournal: Mol.Cell / Year: 2006
Title: A Flexible Interface between DNA Ligase and PCNA Supports Conformational Switching and Efficient Ligation of DNA.
Authors: Pascal, J.M. / Tsodikov, O.V. / Hura, G.L. / Song, W. / Cotner, E.A. / Classen, S. / Tomkinson, A.E. / Tainer, J.A. / Ellenberger, T.
History
DepositionJun 29, 2006Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 7, 2006Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Advisory / Version format compliance
Revision 1.3Oct 18, 2017Group: Refinement description / Category: software
Revision 1.4Nov 20, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_entry_details / pdbx_modification_feature / struct_conn / struct_ncs_dom_lim / struct_ref_seq_dif
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_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.end_auth_comp_id / _struct_ref_seq_dif.details

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: PCNA1 (SSO0397)
B: PCNA2 (SSO1047)
C: PCNA3 (SSO0405)
L: PCNA1 (SSO0397)
M: PCNA2 (SSO1047)
N: PCNA3 (SSO0405)
X: PCNA1 (SSO0397)
Y: PCNA2 (SSO1047)
Z: PCNA3 (SSO0405)


Theoretical massNumber of molelcules
Total (without water)256,3789
Polymers256,3789
Non-polymers00
Water00
1
A: PCNA1 (SSO0397)
B: PCNA2 (SSO1047)
C: PCNA3 (SSO0405)


Theoretical massNumber of molelcules
Total (without water)85,4593
Polymers85,4593
Non-polymers00
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4140 Å2
ΔGint-20 kcal/mol
Surface area31090 Å2
MethodPISA
2
L: PCNA1 (SSO0397)
M: PCNA2 (SSO1047)
N: PCNA3 (SSO0405)


Theoretical massNumber of molelcules
Total (without water)85,4593
Polymers85,4593
Non-polymers00
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4180 Å2
ΔGint-22 kcal/mol
Surface area31130 Å2
MethodPISA
3
X: PCNA1 (SSO0397)
Y: PCNA2 (SSO1047)
Z: PCNA3 (SSO0405)


Theoretical massNumber of molelcules
Total (without water)85,4593
Polymers85,4593
Non-polymers00
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4250 Å2
ΔGint-20 kcal/mol
Surface area31030 Å2
MethodPISA
Unit cell
Length a, b, c (Å)142.275, 223.093, 79.140
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number18
Space group name H-MP21212
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21L
31X
41A
51L
61X
71A
81L
91X
101A
111L
121X
131A
141L
151X
12B
22M
32Y
42B
52M
62Y
72B
82M
92Y
102B
112M
122Y
132B
142M
152Y
13C
23N
33Z
43C
53N
63Z
73C
83N
93Z
103C
113N
123Z
133C
143N
153Z

NCS domain segments:
Dom-IDComponent-IDEns-IDBeg auth comp-IDBeg label comp-IDEnd auth comp-IDEnd label comp-IDRefine codeAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
111LYSLYSTHRTHR4AA3 - 1123 - 112
211LYSLYSTHRTHR4LD3 - 1123 - 112
311LYSLYSTHRTHR4XG3 - 1123 - 112
421THRTHRALAALA4AA138 - 170138 - 170
521THRTHRALAALA4LD138 - 170138 - 170
621THRTHRALAALA4XG138 - 170138 - 170
731GLYGLYARGARG6AA171 - 176171 - 176
831GLYGLYARGARG6LD171 - 176171 - 176
931GLYGLYARGARG6XG171 - 176171 - 176
1041TYRTYRPROPRO4AA177 - 247177 - 247
1141TYRTYRPROPRO4LD177 - 247177 - 247
1241TYRTYRPROPRO4XG177 - 247177 - 247
1351ILEILETHRTHR6AA113 - 137113 - 137
1451ILEILETHRTHR6LD113 - 137113 - 137
1551ILEILETHRTHR6XG113 - 137113 - 137
112ALAALASERSER4BB4 - 1093 - 108
212ALAALASERSER4ME4 - 1093 - 108
312ALAALASERSER4YH4 - 1093 - 108
422LEULEULEULEU4BB136 - 231135 - 230
522LEULEULEULEU4ME136 - 231135 - 230
622LEULEULEULEU4YH136 - 231135 - 230
732PHEPHELEULEU6BB110 - 135109 - 134
832PHEPHELEULEU6ME110 - 135109 - 134
932PHEPHELEULEU6YH110 - 135109 - 134
1042PROPROGLYGLY6BB232 - 235231 - 234
1142PROPROGLYGLY6ME232 - 235231 - 234
1242PROPROGLYGLY6YH232 - 235231 - 234
1352TYRTYRPROPRO4BB236 - 243235 - 242
1452TYRTYRPROPRO4ME236 - 243235 - 242
1552TYRTYRPROPRO4YH236 - 243235 - 242
113VALVALLEULEU4CC3 - 393 - 39
213VALVALLEULEU4NF3 - 393 - 39
313VALVALLEULEU4ZI3 - 393 - 39
423ASPASPALAALA6CC40 - 4240 - 42
523ASPASPALAALA6NF40 - 4240 - 42
623ASPASPALAALA6ZI40 - 4240 - 42
733HISHISGLUGLU4CC43 - 10843 - 108
833HISHISGLUGLU4NF43 - 10843 - 108
933HISHISGLUGLU4ZI43 - 10843 - 108
1043PHEPHEILEILE6CC109 - 134109 - 134
1143PHEPHEILEILE6NF109 - 134109 - 134
1243PHEPHEILEILE6ZI109 - 134109 - 134
1353SERSERALAALA4CC135 - 241135 - 241
1453SERSERALAALA4NF135 - 241135 - 241
1553SERSERALAALA4ZI135 - 241135 - 241

NCS ensembles :
ID
1
2
3

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Components

#1: Protein PCNA1 (SSO0397) / DNA polymerase sliding clamp B / Proliferating cell nuclear antigen homolog B / PCNA B


Mass: 29062.934 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Sulfolobus solfataricus (archaea) / Gene: pcnB, pcnA-2 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)RIL / References: UniProt: P57766
#2: Protein PCNA2 (SSO1047) / DNA polymerase sliding clamp C / Proliferating cell nuclear antigen homolog C / PCNA C


Mass: 27648.662 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Sulfolobus solfataricus (archaea) / Gene: pcnC, pcnA-2 / Production host: Escherichia coli (E. coli) / References: UniProt: Q97Z84
#3: Protein PCNA3 (SSO0405) / DNA polymerase sliding clamp A / Proliferating cell nuclear antigen homolog A / PCNA A


Mass: 28747.846 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Sulfolobus solfataricus (archaea) / Gene: pcnA, pcnA-1 / Production host: Escherichia coli (E. coli) / References: UniProt: P57765
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: 2.51 Å3/Da / Density % sol: 50.99 %
Crystal growTemperature: 298 K / pH: 5.5
Details: 18-20% PEG 3350, 150mM ammonium citrate, 100mM Bis-Tris, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K, pH 5.50

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ALS / Beamline: 12.3.1 / Wavelength: 0.98
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Dec 15, 2005
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.98 Å / Relative weight: 1
ReflectionResolution: 3.3→50 Å / Num. obs: 35317 / % possible obs: 88.6 % / Observed criterion σ(I): 0 / Redundancy: 3.2 % / Rmerge(I) obs: 0.1 / Net I/σ(I): 8.2
Reflection shellResolution: 3.3→3.42 Å / Redundancy: 2.8 % / Rmerge(I) obs: 0.309 / Mean I/σ(I) obs: 2.1 / % possible all: 84.2

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACT2data extraction
PHASESphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 3.3→20 Å / Cor.coef. Fo:Fc: 0.902 / Cor.coef. Fo:Fc free: 0.842 / SU B: 87.795 / SU ML: 0.635 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R Free: 0.763 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.299 1750 5.1 %RANDOM
Rwork0.236 ---
obs0.239 34234 88.8 %-
all-34234 --
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 71.73 Å2
Baniso -1Baniso -2Baniso -3
1--2.98 Å20 Å20 Å2
2--4.5 Å20 Å2
3----1.52 Å2
Refinement stepCycle: LAST / Resolution: 3.3→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms17311 0 0 0 17311
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0060.02217578
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.0351.98123714
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg552195
X-RAY DIFFRACTIONr_dihedral_angle_2_deg38.20725.412765
X-RAY DIFFRACTIONr_dihedral_angle_3_deg18.761153309
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.4391572
X-RAY DIFFRACTIONr_chiral_restr0.0680.22777
X-RAY DIFFRACTIONr_gen_planes_refined0.0020.0212851
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.1920.28566
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.3060.211748
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1350.2689
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1960.2168
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1440.213
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.2111.511273
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it0.298217819
X-RAY DIFFRACTIONr_scbond_it0.41836961
X-RAY DIFFRACTIONr_scangle_it0.6064.55895
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
Refine LS restraints NCS

Refine-ID: X-RAY DIFFRACTION

Ens-IDDom-IDAuth asym-IDNumberTypeRms dev position (Å)Weight position
11A1644medium positional0.170.2
12L1644medium positional0.120.2
13X1644medium positional0.150.2
21B1655medium positional0.190.2
22M1655medium positional0.150.2
23Y1655medium positional0.160.2
31C1657medium positional0.20.2
32N1657medium positional0.130.2
33Z1657medium positional0.150.2
11A245loose positional0.9310
12L245loose positional1.0310
13X245loose positional0.7310
21B239loose positional1.0810
22M239loose positional0.9910
23Y239loose positional0.8210
31C236loose positional1.5610
32N236loose positional0.9410
33Z236loose positional1.3210
11A1644medium thermal0.152
12L1644medium thermal0.162
13X1644medium thermal0.132
21B1655medium thermal0.152
22M1655medium thermal0.152
23Y1655medium thermal0.162
31C1657medium thermal0.142
32N1657medium thermal0.122
33Z1657medium thermal0.132
11A245loose thermal0.5910
12L245loose thermal0.7910
13X245loose thermal0.810
21B239loose thermal0.8310
22M239loose thermal0.7410
23Y239loose thermal0.9410
31C236loose thermal1.0110
32N236loose thermal0.2810
33Z236loose thermal0.9610
LS refinement shellResolution: 3.3→3.38 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.358 117 -
Rwork0.278 2131 -
obs--82.16 %
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)
15.72-3.1386-0.65212.97940.10473.2233-0.2276-0.1056-0.1031-0.0445-0.1255-0.11580.44560.72660.353-0.0586-0.0077-0.0627-0.1178-0.0304-0.384146.4523-18.1595-14.1575
21.12350.9163-0.38361.5087-1.72929.072-0.16020.16060.36520.05020.02080.1503-0.2234-0.44280.1394-0.34720.1308-0.1624-0.54920.0056-0.181425.43937.25-41.8153
36.9948-4.63835.57565.2947-4.6478.6211-0.04230.2855-0.082-0.2370.17190.07430.18150.6002-0.1296-0.28490.10210.0919-0.16570.0194-0.458658.5053-15.7328-54.6772
47.5013-3.2512-1.00693.32431.294.34910.15120.10350.2861-0.2651-0.2290.0671-0.3205-0.83420.07780.04880.0582-0.1833-0.06360.07360.0092-21.098337.1377-21.663
53.20240.1229-1.63561.4637-1.12247.5536-0.0543-0.4926-0.4906-0.0477-0.24990.10150.33230.1770.3042-0.4282-0.0422-0.2288-0.44790.13270.36150.632816.37458.9784
65.0005-3.02742.64585.5151-3.74317.47350.09720.3177-0.37940.1065-0.16980.3628-0.0569-1.33560.0726-0.3052-0.0209-0.10470.1889-0.41340.0706-34.436537.207618.8889
75.03343.1269-1.04453.9055-2.03674.19590.20160.38390.13990.20560.3235-0.1392-0.4070.4751-0.5251-0.18260.0988-0.0109-0.1764-0.2331-0.323162.721144.833815.1959
81.7693-0.44071.07632.4501-0.44997.77140.3067-0.3055-0.2329-0.05010.0817-0.00760.05710.0054-0.3884-0.4868-0.0039-0.1568-0.5220.0336-0.180733.504530.7572-12.0893
96.69192.36565.31324.59243.39588.41530.1892-0.00960.1268-0.1752-0.1167-0.1484-0.16320.9311-0.0726-0.25140.02590.2416-0.1617-0.1-0.336864.198357.2422-25.1496
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
1X-RAY DIFFRACTION1AA2 - 2502 - 250
2X-RAY DIFFRACTION2BB2 - 2451 - 244
3X-RAY DIFFRACTION3CC1 - 2431 - 243
4X-RAY DIFFRACTION4LD2 - 2492 - 249
5X-RAY DIFFRACTION5ME2 - 2441 - 243
6X-RAY DIFFRACTION6NF1 - 2431 - 243
7X-RAY DIFFRACTION7XG2 - 2492 - 249
8X-RAY DIFFRACTION8YH2 - 2441 - 243
9X-RAY DIFFRACTION9ZI1 - 2431 - 243

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