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- PDB-3a6n: The nucleosome containing a testis-specific histone variant, human H3T -

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Basic information

Entry
Database: PDB / ID: 3a6n
TitleThe nucleosome containing a testis-specific histone variant, human H3T
Components
  • 146-MER DNA
  • Histone H2A type 1-B/E
  • Histone H2B type 1-J
  • Histone H3.1t
  • Histone H4
KeywordsSTRUCTURAL PROTEIN/DNA / histone-fold / DNA-binding protein / Chromosomal protein / Citrullination / DNA-binding / Methylation / Nucleosome core / Nucleus / Phosphoprotein / Isopeptide bond / Antibiotic / Antimicrobial / STRUCTURAL PROTEIN-DNA COMPLEX
Function / homology
Function and homology information


negative regulation of tumor necrosis factor-mediated signaling pathway / negative regulation of megakaryocyte differentiation / protein localization to CENP-A containing chromatin / Replacement of protamines by nucleosomes in the male pronucleus / CENP-A containing nucleosome / Packaging Of Telomere Ends / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine / Deposition of new CENPA-containing nucleosomes at the centromere / Recognition and association of DNA glycosylase with site containing an affected pyrimidine ...negative regulation of tumor necrosis factor-mediated signaling pathway / negative regulation of megakaryocyte differentiation / protein localization to CENP-A containing chromatin / Replacement of protamines by nucleosomes in the male pronucleus / CENP-A containing nucleosome / Packaging Of Telomere Ends / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine / Deposition of new CENPA-containing nucleosomes at the centromere / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / Inhibition of DNA recombination at telomere / Meiotic synapsis / telomere organization / RNA Polymerase I Promoter Opening / SUMOylation of chromatin organization proteins / Assembly of the ORC complex at the origin of replication / DNA methylation / Condensation of Prophase Chromosomes / HCMV Late Events / Chromatin modifications during the maternal to zygotic transition (MZT) / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / SIRT1 negatively regulates rRNA expression / innate immune response in mucosa / PRC2 methylates histones and DNA / Defective pyroptosis / HDACs deacetylate histones / RNA Polymerase I Promoter Escape / Nonhomologous End-Joining (NHEJ) / lipopolysaccharide binding / Transcriptional regulation by small RNAs / Formation of the beta-catenin:TCF transactivating complex / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3 / G2/M DNA damage checkpoint / NoRC negatively regulates rRNA expression / B-WICH complex positively regulates rRNA expression / HDMs demethylate histones / DNA Damage/Telomere Stress Induced Senescence / Metalloprotease DUBs / PKMTs methylate histone lysines / RMTs methylate histone arginines / Meiotic recombination / Pre-NOTCH Transcription and Translation / nucleosome assembly / Activation of anterior HOX genes in hindbrain development during early embryogenesis / HCMV Early Events / Transcriptional regulation of granulopoiesis / structural constituent of chromatin / UCH proteinases / nucleosome / antimicrobial humoral immune response mediated by antimicrobial peptide / E3 ubiquitin ligases ubiquitinate target proteins / Recruitment and ATM-mediated phosphorylation of repair and signaling proteins at DNA double strand breaks / RUNX1 regulates transcription of genes involved in differentiation of HSCs / chromatin organization / Processing of DNA double-strand break ends / HATs acetylate histones / antibacterial humoral response / Senescence-Associated Secretory Phenotype (SASP) / Oxidative Stress Induced Senescence / killing of cells of another organism / Estrogen-dependent gene expression / defense response to Gram-negative bacterium / chromosome, telomeric region / Ub-specific processing proteases / defense response to Gram-positive bacterium / Amyloid fiber formation / protein heterodimerization activity / negative regulation of cell population proliferation / protein-containing complex / DNA binding / extracellular space / RNA binding / extracellular exosome / extracellular region / nucleoplasm / membrane / nucleus / cytosol
Similarity search - Function
Histone, subunit A / Histone, subunit A / Histone H2B signature. / Histone H2B / Histone H2B / Histone H2A conserved site / Histone H2A signature. / Histone H2A, C-terminal domain / C-terminus of histone H2A / Histone H2A ...Histone, subunit A / Histone, subunit A / Histone H2B signature. / Histone H2B / Histone H2B / Histone H2A conserved site / Histone H2A signature. / Histone H2A, C-terminal domain / C-terminus of histone H2A / Histone H2A / Histone 2A / Histone H4, conserved site / Histone H4 signature. / Histone H4 / Histone H4 / CENP-T/Histone H4, histone fold / Centromere kinetochore component CENP-T histone fold / TATA box binding protein associated factor / TATA box binding protein associated factor (TAF), histone-like fold domain / Histone H3 signature 1. / Histone H3 / Histone H3/CENP-A / Histone H2A/H2B/H3 / Core histone H2A/H2B/H3/H4 / Histone-fold / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
: / DNA / DNA (> 10) / DNA (> 100) / Histone H2A type 1-B/E / Histone H2B type 1-J / Histone H4 / Histone H3.1t
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.7 Å
AuthorsTachiwana, H. / Kagawa, W. / Osakabe, A. / Koichiro, K. / Shiga, T. / Kimura, H. / Kurumizaka, H.
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2010
Title: Structural basis of instability of the nucleosome containing a testis-specific histone variant, human H3T
Authors: Tachiwana, H. / Kagawa, W. / Osakabe, A. / Kawaguchi, K. / Shiga, T. / Hayashi-Takanaka, Y. / Kimura, H. / Kurumizaka, H.
History
DepositionSep 4, 2009Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0May 26, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Jul 18, 2012Group: Structure summary
Revision 1.3Nov 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_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_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_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_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _struct_conn.pdbx_dist_value / _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_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: Histone H3.1t
B: Histone H4
C: Histone H2A type 1-B/E
D: Histone H2B type 1-J
E: Histone H3.1t
F: Histone H4
G: Histone H2A type 1-B/E
H: Histone H2B type 1-J
I: 146-MER DNA
J: 146-MER DNA
hetero molecules


Theoretical massNumber of molelcules
Total (without water)203,02022
Polymers202,43910
Non-polymers58112
Water1,802100
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area55690 Å2
ΔGint-405 kcal/mol
Surface area71030 Å2
MethodPISA
Unit cell
Length a, b, c (Å)105.476, 109.521, 181.052
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

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Protein , 4 types, 8 molecules AEBFCGDH

#1: Protein Histone H3.1t / H3t / H3/t / H3/g


Mass: 15823.617 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: H3T / Plasmid: pHCE / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: Q16695
#2: Protein Histone H4 /


Mass: 11676.703 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: H4 / Plasmid: pET15b / Production host: Escherichia coli (E. coli) / Strain (production host): JM109(DE3) / References: UniProt: P62805
#3: Protein Histone H2A type 1-B/E / H2A/m / H2A.2 / H2A/a


Mass: 14447.825 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: H2A / Plasmid: pHCE / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: P04908
#4: Protein Histone H2B type 1-J / H2B.r / H2B/r / H2B.1


Mass: 14217.516 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: H2B / Plasmid: pHCE / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: P06899

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DNA chain , 1 types, 2 molecules IJ

#5: DNA chain 146-MER DNA


Mass: 45053.855 Da / Num. of mol.: 2 / Source method: obtained synthetically

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Non-polymers , 3 types, 112 molecules

#6: Chemical
ChemComp-CL / CHLORIDE ION / Chloride


Mass: 35.453 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Cl
#7: Chemical
ChemComp-MN / MANGANESE (II) ION


Mass: 54.938 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: Mn
#8: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 100 / 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: 2.58 Å3/Da / Density % sol: 52.38 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6
Details: potassium cacodylate, potassium chloride, manganese chloride, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SPring-8 / Beamline: BL41XU / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Jul 21, 2008
RadiationMonochromator: Double-crystal monochromator / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.7→50 Å / Num. all: 59960 / Num. obs: 58106 / % possible obs: 95.1 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 6.5 % / Biso Wilson estimate: 64 Å2 / Rsym value: 0.081 / Net I/σ(I): 13.5
Reflection shellResolution: 2.7→2.8 Å / Redundancy: 5.7 % / Mean I/σ(I) obs: 3.94 / Num. unique all: 4990 / Rsym value: 0.516 / % possible all: 84.6

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Processing

Software
NameVersionClassification
BSSdata collection
MOLREPphasing
CNS1.2refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2CV5

2cv5


Resolution: 2.7→50 Å / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflectionSelection details
Rfree0.264 2921 RANDOM
Rwork0.228 --
obs0.228 57005 -
all-58306 -
Refine analyze
FreeObs
Luzzati coordinate error0.43 Å0.36 Å
Luzzati d res low-5 Å
Luzzati sigma a0.46 Å0.36 Å
Refinement stepCycle: LAST / Resolution: 2.7→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6011 5939 12 100 12062
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_angle_deg1.18
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_dihedral_angle_d20.4
X-RAY DIFFRACTIONc_improper_angle_d1.1
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkRefine-IDNum. reflection obsTotal num. of bins used
2.7-2.80.3772980.315X-RAY DIFFRACTION543410
2.8-2.910.3682830.297X-RAY DIFFRACTION544510
2.91-3.040.3382920.274X-RAY DIFFRACTION545010
3.04-3.20.2893040.258X-RAY DIFFRACTION545010
3.2-3.40.2992740.258X-RAY DIFFRACTION549110
3.4-3.660.2523050.235X-RAY DIFFRACTION548410
3.66-4.030.2553080.22X-RAY DIFFRACTION552210
4.03-4.620.2492780.2X-RAY DIFFRACTION555910
4.62-5.810.2342770.214X-RAY DIFFRACTION563210
5.81-500.2223020.193X-RAY DIFFRACTION571810

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