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- PDB-1e28: Nonstandard peptide binding of HLA-B*5101 complexed with HIV immu... -

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Basic information

Entry
Database: PDB / ID: 1.0E+28
TitleNonstandard peptide binding of HLA-B*5101 complexed with HIV immunodominant epitope KM2(TAFTIPSI)
Components
  • BETA-2 MICROGLOBULIN LIGHT CHAIN
  • HLA CLASS I HISTOCOMPATIBILITY ANTIGEN HEAVY CHAIN
  • PEPTIDE
KeywordsHLA B51 / HIV / MHC CLASS I / HISTOCOMPATIBILITY COMPLEX
Function / homology
Function and homology information


: / : / regulation of membrane depolarization / regulation of interleukin-12 production / regulation of dendritic cell differentiation / regulation of T cell anergy / retina homeostasis / regulation of interleukin-6 production / TAP binding / protection from natural killer cell mediated cytotoxicity ...: / : / regulation of membrane depolarization / regulation of interleukin-12 production / regulation of dendritic cell differentiation / regulation of T cell anergy / retina homeostasis / regulation of interleukin-6 production / TAP binding / protection from natural killer cell mediated cytotoxicity / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-independent / antigen processing and presentation of endogenous peptide antigen via MHC class Ib / detection of bacterium / : / : / secretory granule membrane / positive regulation of receptor binding / early endosome lumen / Nef mediated downregulation of MHC class I complex cell surface expression / negative regulation of receptor binding / DAP12 interactions / cellular response to iron ion / lumenal side of endoplasmic reticulum membrane / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / HIV-1 retropepsin / peptide antigen assembly with MHC class II protein complex / symbiont-mediated activation of host apoptosis / retroviral ribonuclease H / cellular response to iron(III) ion / exoribonuclease H / antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent / MHC class II protein complex / negative regulation of forebrain neuron differentiation / exoribonuclease H activity / ER to Golgi transport vesicle membrane / peptide antigen assembly with MHC class I protein complex / regulation of erythrocyte differentiation / regulation of iron ion transport / MHC class I peptide loading complex / response to molecule of bacterial origin / defense response / HFE-transferrin receptor complex / T cell mediated cytotoxicity / antigen processing and presentation of endogenous peptide antigen via MHC class I / positive regulation of T cell cytokine production / host multivesicular body / antigen processing and presentation of exogenous peptide antigen via MHC class II / MHC class I protein complex / positive regulation of immune response / peptide antigen binding / DNA integration / negative regulation of neurogenesis / positive regulation of T cell mediated cytotoxicity / positive regulation of receptor-mediated endocytosis / multicellular organismal-level iron ion homeostasis / positive regulation of T cell activation / cellular response to nicotine / viral genome integration into host DNA / RNA-directed DNA polymerase / establishment of integrated proviral latency / telomerase activity / specific granule lumen / viral penetration into host nucleus / RNA stem-loop binding / recycling endosome membrane / phagocytic vesicle membrane / antimicrobial humoral immune response mediated by antimicrobial peptide / positive regulation of cellular senescence / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / negative regulation of epithelial cell proliferation / Interferon gamma signaling / RNA-DNA hybrid ribonuclease activity / Interferon alpha/beta signaling / MHC class II protein complex binding / Transferases; Transferring phosphorus-containing groups; Nucleotidyltransferases / positive regulation of protein binding / Modulation by Mtb of host immune system / antibacterial humoral response / late endosome membrane / sensory perception of smell / tertiary granule lumen / DAP12 signaling / host cell / protein-folding chaperone binding / negative regulation of neuron projection development / iron ion transport / T cell differentiation in thymus / ER-Phagosome pathway / cellular response to lipopolysaccharide / protein refolding / viral nucleocapsid / early endosome membrane / defense response to Gram-negative bacterium / DNA recombination / protein homotetramerization / adaptive immune response / amyloid fibril formation / DNA-directed DNA polymerase / aspartic-type endopeptidase activity
Similarity search - Function
MHC class I, alpha chain, C-terminal / MHC_I C-terminus / MHC class I-like antigen recognition-like / Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1 / 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 / : ...MHC class I, alpha chain, C-terminal / MHC_I C-terminus / MHC class I-like antigen recognition-like / Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1 / 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 / : / MHC class I-like antigen recognition-like / MHC class I-like antigen recognition-like superfamily / Reverse transcriptase thumb / Reverse transcriptase thumb domain / 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 / MHC classes I/II-like antigen recognition protein / Matrix protein, lentiviral and alpha-retroviral, N-terminal / 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 / Immunoglobulins / Immunoglobulin-like / Sandwich / 2-Layer Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
Beta-2-microglobulin / HLA class I histocompatibility antigen, B alpha chain / Gag-Pol polyprotein / HLA class I histocompatibility antigen, B alpha chain / Beta-2-microglobulin
Similarity search - Component
Biological speciesHOMO SAPIENS (human)
HUMAN IMMUNODEFICIENCY VIRUS TYPE 1
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3 Å
AuthorsMaenaka, K. / Maenaka, T. / Tomiyama, H. / Takiguchi, M. / Stuart, D.I. / Jones, E.Y.
CitationJournal: J Immunol. / Year: 2000
Title: Nonstandard peptide binding revealed by crystal structures of HLA-B*5101 complexed with HIV immunodominant epitopes.
Authors: Maenaka, K. / Maenaka, T. / Tomiyama, H. / Takiguchi, M. / Stuart, D.I. / Jones, E.Y.
History
DepositionMay 18, 2000Deposition site: PDBE / Processing site: PDBE
Revision 1.0Sep 12, 2000Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 9, 2019Group: Data collection / Database references / Source and taxonomy
Category: citation / entity_src_gen
Item: _citation.journal_abbrev / _citation.journal_id_ASTM ..._citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.title / _entity_src_gen.pdbx_host_org_ncbi_taxonomy_id
Revision 1.4May 1, 2024Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.5Oct 16, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: HLA CLASS I HISTOCOMPATIBILITY ANTIGEN HEAVY CHAIN
B: BETA-2 MICROGLOBULIN LIGHT CHAIN
C: PEPTIDE


Theoretical massNumber of molelcules
Total (without water)44,6743
Polymers44,6743
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4630 Å2
ΔGint-30.1 kcal/mol
Surface area24090 Å2
MethodPQS
Unit cell
Length a, b, c (Å)50.900, 83.000, 111.800
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein HLA CLASS I HISTOCOMPATIBILITY ANTIGEN HEAVY CHAIN / B51


Mass: 32077.340 Da / Num. of mol.: 1 / Fragment: EXTRACELLULAR RESIDUES 25-300
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) HOMO SAPIENS (human) / Cellular location: CELL SURFACE / Plasmid: PGMT7 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21 / References: UniProt: P18464, UniProt: P01889*PLUS
#2: Protein BETA-2 MICROGLOBULIN LIGHT CHAIN / B2M


Mass: 11748.160 Da / Num. of mol.: 1 / Fragment: EXTRACELLULAR RESIDUES 21-119
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) HOMO SAPIENS (human) / Plasmid: PHN1 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): XA90 / References: UniProt: P01884, UniProt: P61769*PLUS
#3: Protein/peptide PEPTIDE


Mass: 848.983 Da / Num. of mol.: 1 / Fragment: EXTRACELLULAR RESIDUES 282-289 / Source method: obtained synthetically / Source: (synth.) HUMAN IMMUNODEFICIENCY VIRUS TYPE 1 / References: UniProt: P12499
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: 2.64 Å3/Da / Density % sol: 53.46 %
Crystal growpH: 6.5 / Details: pH 6.50
Crystal grow
*PLUS
Temperature: 21 ℃ / pH: 8 / Method: vapor diffusion, sitting drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
110 mg/mlprotein1drop
220 mMTris1drop
320 %PEG40001reservoir
40.1 MHEPES1reservoir
510 %isopropanol1reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SRS / Beamline: PX9.6 / Wavelength: 0.97
DetectorDetector: CCD
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97 Å / Relative weight: 1
ReflectionResolution: 3→25 Å / Num. obs: 38887 / % possible obs: 83 % / Observed criterion σ(I): 0 / Redundancy: 3.2 % / Rmerge(I) obs: 0.12 / Net I/σ(I): 11.8
Reflection shellResolution: 3→3.11 Å / Rmerge(I) obs: 0.249 / Mean I/σ(I) obs: 3.9 / % possible all: 64.5
Reflection
*PLUS
Num. obs: 8737 / Num. measured all: 38887 / Rmerge(I) obs: 0.12
Reflection shell
*PLUS
% possible obs: 64.5 %

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Processing

Software
NameClassification
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: HLA B53

Resolution: 3→25 Å / Rfactor Rfree error: 0.013 / Cross valid method: THROUGHOUT
RfactorNum. reflection% reflectionSelection details
Rfree0.253 354 4.6 %RANDOM
Rwork0.194 ---
obs0.194 7748 77.9 %-
Refinement stepCycle: LAST / Resolution: 3→25 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3154 0 0 0 3154
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.4
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d24.9
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.95
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it
X-RAY DIFFRACTIONc_mcangle_it
X-RAY DIFFRACTIONc_scbond_it
X-RAY DIFFRACTIONc_scangle_it
LS refinement shellResolution: 3→3.19 Å / Rfactor Rfree error: 0.046 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.278 37 3.7 %
Rwork0.272 964 -
obs--61.7 %
Software
*PLUS
Name: CNS / Classification: refinement
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg24.9
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.95
LS refinement shell
*PLUS
Rfactor obs: 0.272

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