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- PDB-6vqy: HLA-B*27:05 presenting an HIV-1 7mer peptide -

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Basic information

Entry
Database: PDB / ID: 6vqy
TitleHLA-B*27:05 presenting an HIV-1 7mer peptide
Components
  • 7-mer peptide
  • Beta-2-microglobulin
  • MHC class I antigen
KeywordsIMMUNE SYSTEM / Human Leukocyte Antigen / Human Immunodeficiency Virus
Function / homology
Function and homology information


integrase activity / Integration of viral DNA into host genomic DNA / Autointegration results in viral DNA circles / Minus-strand DNA synthesis / Plus-strand DNA synthesis / Uncoating of the HIV Virion / 2-LTR circle formation / Vpr-mediated nuclear import of PICs / Early Phase of HIV Life Cycle / Integration of provirus ...integrase activity / Integration of viral DNA into host genomic DNA / Autointegration results in viral DNA circles / Minus-strand DNA synthesis / Plus-strand DNA synthesis / Uncoating of the HIV Virion / 2-LTR circle formation / Vpr-mediated nuclear import of PICs / Early Phase of HIV Life Cycle / Integration of provirus / antigen processing and presentation of peptide antigen via MHC class I / APOBEC3G mediated resistance to HIV-1 infection / Binding and entry of HIV virion / viral life cycle / negative regulation of receptor binding / early endosome lumen / Nef mediated downregulation of MHC class I complex cell surface expression / DAP12 interactions / transferrin transport / cellular response to iron ion / lumenal side of endoplasmic reticulum membrane / Endosomal/Vacuolar pathway / HIV-1 retropepsin / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / symbiont-mediated activation of host apoptosis / peptide antigen assembly with MHC class II protein complex / retroviral ribonuclease H / exoribonuclease H / cellular response to iron(III) ion / MHC class II protein complex / exoribonuclease H activity / negative regulation of forebrain neuron differentiation / antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent / ER to Golgi transport vesicle membrane / Assembly Of The HIV Virion / peptide antigen assembly with MHC class I protein complex / regulation of iron ion transport / regulation of erythrocyte differentiation / HFE-transferrin receptor complex / response to molecule of bacterial origin / MHC class I peptide loading complex / Budding and maturation of HIV virion / T cell mediated cytotoxicity / positive regulation of T cell cytokine production / antigen processing and presentation of endogenous peptide antigen via MHC class I / host multivesicular body / antigen processing and presentation of exogenous peptide antigen via MHC class II / positive regulation of immune response / MHC class I protein complex / positive regulation of T cell activation / protein processing / peptide antigen binding / positive regulation of receptor-mediated endocytosis / negative regulation of neurogenesis / cellular response to nicotine / viral genome integration into host DNA / positive regulation of T cell mediated cytotoxicity / multicellular organismal-level iron ion homeostasis / RNA-directed DNA polymerase / establishment of integrated proviral latency / viral penetration into host nucleus / RNA stem-loop binding / specific granule lumen / phagocytic vesicle membrane / recycling endosome membrane / RNA-directed DNA polymerase activity / Interferon gamma signaling / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / negative regulation of epithelial cell proliferation / RNA-DNA hybrid ribonuclease activity / Transferases; Transferring phosphorus-containing groups; Nucleotidyltransferases / MHC class II protein complex binding / Modulation by Mtb of host immune system / late endosome membrane / sensory perception of smell / positive regulation of cellular senescence / tertiary granule lumen / DAP12 signaling / T cell differentiation in thymus / peptidase activity / host cell / negative regulation of neuron projection development / ER-Phagosome pathway / protein refolding / viral nucleocapsid / early endosome membrane / DNA recombination / protein homotetramerization / amyloid fibril formation / DNA-directed DNA polymerase / aspartic-type endopeptidase activity / Hydrolases; Acting on ester bonds / intracellular iron ion homeostasis / DNA-directed DNA polymerase activity / learning or memory / immune response / endoplasmic reticulum lumen / Amyloid fiber formation / symbiont-mediated suppression of host gene expression / Golgi membrane
Similarity search - Function
MHC class I, alpha chain, C-terminal / MHC_I C-terminus / MHC class I alpha chain, alpha1 alpha2 domains / Class I Histocompatibility antigen, domains alpha 1 and 2 / Reverse transcriptase connection / Reverse transcriptase connection domain / Beta-2-Microglobulin / : / Reverse transcriptase thumb / Reverse transcriptase thumb domain ...MHC class I, alpha chain, C-terminal / MHC_I C-terminus / MHC class I alpha chain, alpha1 alpha2 domains / Class I Histocompatibility antigen, domains alpha 1 and 2 / Reverse transcriptase connection / Reverse transcriptase connection domain / Beta-2-Microglobulin / : / Reverse transcriptase thumb / Reverse transcriptase thumb domain / MHC class I-like antigen recognition-like / MHC class I-like antigen recognition-like superfamily / Integrase Zinc binding domain / Zinc finger integrase-type profile. / Integrase-like, N-terminal / Integrase DNA binding domain / Integrase, C-terminal domain superfamily, retroviral / Integrase, N-terminal zinc-binding domain / Integrase, C-terminal, retroviral / Integrase DNA binding domain profile. / Immunodeficiency lentiviral matrix, N-terminal / gag gene protein p17 (matrix protein) / RNase H / Integrase core domain / Integrase, catalytic core / Integrase catalytic domain profile. / Retropepsin-like catalytic domain / Matrix protein, lentiviral and alpha-retroviral, N-terminal / MHC classes I/II-like antigen recognition protein / Retroviral nucleocapsid Gag protein p24, C-terminal domain / Gag protein p24 C-terminal domain / RNase H type-1 domain profile. / Ribonuclease H domain / : / Retropepsins / Retroviral aspartyl protease / Aspartyl protease, retroviral-type family profile. / Peptidase A2A, retrovirus, catalytic / Reverse transcriptase domain / Reverse transcriptase (RNA-dependent DNA polymerase) / Reverse transcriptase (RT) catalytic domain profile. / Retrovirus capsid, C-terminal / Retroviral matrix protein / Retrovirus capsid, N-terminal / zinc finger / Zinc knuckle / Zinc finger, CCHC-type superfamily / Zinc finger, CCHC-type / Zinc finger CCHC-type profile. / Immunoglobulin/major histocompatibility complex, conserved site / Immunoglobulins and major histocompatibility complex proteins signature. / Immunoglobulin C-Type / Immunoglobulin C1-set / Immunoglobulin C1-set domain / Aspartic peptidase, active site / Eukaryotic and viral aspartyl proteases active site. / Aspartic peptidase domain superfamily / Ribonuclease H superfamily / Ribonuclease H-like superfamily / Reverse transcriptase/Diguanylate cyclase domain / Ig-like domain profile. / Immunoglobulin-like domain / Immunoglobulin-like domain superfamily / Immunoglobulin-like fold / DNA/RNA polymerase superfamily
Similarity search - Domain/homology
ARGININE / MHC class I antigen / Gag-Pol polyprotein / Beta-2-microglobulin
Similarity search - Component
Biological speciesHomo sapiens (human)
Human immunodeficiency virus 1
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.57 Å
AuthorsPymm, P. / Tenzer, S. / Wee, E. / Weimershaus, M. / Burgevin, A. / Kollnberger, S. / Gerstoft, J. / Josephs, T.M. / Ladell, K. / Mclaren, J.E. ...Pymm, P. / Tenzer, S. / Wee, E. / Weimershaus, M. / Burgevin, A. / Kollnberger, S. / Gerstoft, J. / Josephs, T.M. / Ladell, K. / Mclaren, J.E. / Appay, V. / Price, D.A. / Fugger, L. / Bell, J.I. / Hansjorg, S. / Van Endert, P. / Harkiolaki, M. / Iversen, A.K.N.
CitationJournal: Cell Rep / Year: 2022
Title: Epitope length variants balance protective immune responses and viral escape in HIV-1 infection
Authors: Pymm, P. / Tenzer, S. / Wee, E. / Weimershaus, M. / Burgevin, A. / Kollnberger, S. / Gerstoft, J. / Josephs, T.M. / Ladell, K. / McLaren, J.E. / Appay, V. / Price, D.A. / Fugger, L. / Bell, ...Authors: Pymm, P. / Tenzer, S. / Wee, E. / Weimershaus, M. / Burgevin, A. / Kollnberger, S. / Gerstoft, J. / Josephs, T.M. / Ladell, K. / McLaren, J.E. / Appay, V. / Price, D.A. / Fugger, L. / Bell, J.I. / Schild, H. / van Endert, P. / Harkiolaki, M. / Iversen, A.K.
History
DepositionFeb 6, 2020Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 10, 2021Provider: repository / Type: Initial release
Revision 1.1Mar 9, 2022Group: Database references / Category: citation / citation_author / database_2
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.pdbx_database_id_DOI / _citation.title / _citation.year / _citation_author.name / _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.2Oct 11, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Revision 1.3Oct 30, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: MHC class I antigen
B: Beta-2-microglobulin
C: MHC class I antigen
D: Beta-2-microglobulin
G: 7-mer peptide
F: 7-mer peptide
hetero molecules


Theoretical massNumber of molelcules
Total (without water)89,83711
Polymers89,1276
Non-polymers7105
Water2,108117
1
A: MHC class I antigen
B: Beta-2-microglobulin
F: 7-mer peptide
hetero molecules


Theoretical massNumber of molelcules
Total (without water)44,8315
Polymers44,5633
Non-polymers2672
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4040 Å2
ΔGint-16 kcal/mol
Surface area19250 Å2
MethodPISA
2
C: MHC class I antigen
D: Beta-2-microglobulin
G: 7-mer peptide
hetero molecules


Theoretical massNumber of molelcules
Total (without water)45,0066
Polymers44,5633
Non-polymers4433
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4290 Å2
ΔGint-14 kcal/mol
Surface area19250 Å2
MethodPISA
Unit cell
Length a, b, c (Å)45.350, 129.860, 90.264
Angle α, β, γ (deg.)90.000, 104.380, 90.000
Int Tables number4
Space group name H-MP1211

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Components

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Protein , 2 types, 4 molecules ACBD

#1: Protein MHC class I antigen


Mass: 31928.160 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HLA-B / Production host: Escherichia coli (E. coli) / References: UniProt: O78189
#2: Protein Beta-2-microglobulin


Mass: 11748.160 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: B2M, CDABP0092, HDCMA22P / Production host: Escherichia coli (E. coli) / References: UniProt: P61769

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Protein/peptide , 1 types, 2 molecules GF

#3: Protein/peptide 7-mer peptide


Mass: 887.124 Da / Num. of mol.: 2 / Source method: obtained synthetically / Source: (synth.) Human immunodeficiency virus 1 / References: UniProt: P04585*PLUS

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Non-polymers , 3 types, 122 molecules

#4: Chemical ChemComp-ARG / ARGININE


Type: L-peptide linking / Mass: 175.209 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C6H15N4O2
#5: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H8O3
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 117 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestN
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: 2.89 Å3/Da / Density % sol: 57.42 %
Crystal growTemperature: 277 K / Method: vapor diffusion, sitting drop / pH: 6.5
Details: 30 %w/v Polyethylene Glycol Monomethyl Ether 5000, 0.2 M Ammonium Sulphate, 0.1 M MES pH 6.5

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Data collection

DiffractionMean temperature: 105 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: Diamond / Beamline: I03 / Wavelength: 0.9763 Å
DetectorType: DECTRIS PILATUS3 6M / Detector: PIXEL / Date: Feb 17, 2012
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9763 Å / Relative weight: 1
Reflection twinOperator: h,-k,-h-l / Fraction: 0.38
ReflectionResolution: 2.57→87.437 Å / Num. all: 32272 / Num. obs: 32272 / % possible obs: 100 % / Redundancy: 5.2 % / Rpim(I) all: 0.106 / Rrim(I) all: 0.254 / Rsym value: 0.23 / Net I/av σ(I): 2.8 / Net I/σ(I): 5.6 / Num. measured all: 168840
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsMean I/σ(I) obsNum. measured allNum. unique obsRpim(I) allRrim(I) allRsym valueNet I/σ(I) obs% possible all
2.57-2.713.50.6011.11637546940.3750.710.6012.2100
2.71-2.873.50.4361.61534044390.2740.5160.4362.8100
2.87-3.073.30.3232.11364141770.2120.3880.3233.5100
3.07-3.325.60.3591.92172638740.1610.3940.3595.1100
3.32-3.636.80.2832.52444235950.1170.3060.2836.8100
3.63-4.066.90.2193.12255532710.090.2370.2198.2100
4.06-4.696.60.1793.71863128270.0750.1940.1799100
4.69-5.756.80.1524.31662324510.0640.1650.1528.9100
5.75-8.136.60.154.51242818830.0630.1630.157.9100
8.13-87.4376.70.0946.3707910610.040.1020.0949.899.9

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Processing

Software
NameVersionClassification
PHENIX1.16_3549refinement
SCALA3.3.22data scaling
PDB_EXTRACT3.25data extraction
xia2data reduction
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1W0V

1w0v


Resolution: 2.57→87.437 Å / Cross valid method: THROUGHOUT / σ(F): 267.99 / Phase error: 32.79
RfactorNum. reflection% reflection
Rfree0.2385 1644 5.14 %
Rwork0.2112 --
obs0.2155 32006 99.24 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Displacement parametersBiso max: 80.71 Å2 / Biso mean: 28.376 Å2 / Biso min: 13.75 Å2
Refinement stepCycle: final / Resolution: 2.57→87.437 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6270 0 45 117 6432
Biso mean--31.28 24.27 -
Num. residues----762
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 12

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
2.5705-2.6460.3171110.31542537264894
2.646-2.73110.32931460.31932414256092
2.7311-2.82850.3111250.29192562268794
2.8285-2.94140.31991310.29332455258694
2.9414-3.07470.27141450.26232507265294
3.0747-3.23610.29321200.23452582270295
3.2361-3.43780.26461270.22262501262895
3.4378-3.70160.26971440.20522529267394
3.7016-4.0710.22661390.18372548268795
4.071-4.65290.18761560.15832514267094
4.6529-5.83560.15811440.15912551269595
5.8356-19.39710.191420.16822570271295
Refinement TLS params.Method: refined / Origin x: -2.7576 Å / Origin y: 12.7354 Å / Origin z: 112.0561 Å
111213212223313233
T0.0585 Å20.016 Å20.0395 Å2-0.2914 Å2-0.003 Å2--0.1995 Å2
L0.0738 °20.0184 °2-0.1201 °2-0.035 °20.0188 °2--0.2613 °2
S0.033 Å °0.0011 Å °0.0456 Å °-0.0041 Å °0.0347 Å °-0.0037 Å °-0.0663 Å °0.0046 Å °-0.0191 Å °
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1allA1 - 275
2X-RAY DIFFRACTION1allB1 - 99
3X-RAY DIFFRACTION1allC1 - 275
4X-RAY DIFFRACTION1allD1 - 99
5X-RAY DIFFRACTION1allG1 - 7
6X-RAY DIFFRACTION1allF1 - 7
7X-RAY DIFFRACTION1allX1
8X-RAY DIFFRACTION1allY1
9X-RAY DIFFRACTION1allZ1
10X-RAY DIFFRACTION1allP1
11X-RAY DIFFRACTION1allQ1
12X-RAY DIFFRACTION1allS1 - 132

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