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- EMDB-13068: DNA-PKcs in complex with AZD7648 -

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Basic information

Entry
Database: EMDB / ID: EMD-13068
TitleDNA-PKcs in complex with AZD7648
Map data
Sample
  • Complex: DNA-PKcs in complex with AZD7648
    • Protein or peptide: DNA-dependent protein kinase catalytic subunit,DNA-PKcs
  • Ligand: 7-methyl-2-[(7-methyl-[1,2,4]triazolo[1,5-a]pyridin-6-yl)amino]-9-(oxan-4-yl)purin-8-one
Keywordscomplex / inhibitor / DNA repair / DNA BINDING PROTEIN
Function / homology
Function and homology information


positive regulation of platelet formation / T cell receptor V(D)J recombination / pro-B cell differentiation / small-subunit processome assembly / positive regulation of lymphocyte differentiation / DNA-dependent protein kinase activity / histone H2AXS139 kinase activity / DNA-dependent protein kinase complex / DNA-dependent protein kinase-DNA ligase 4 complex / immature B cell differentiation ...positive regulation of platelet formation / T cell receptor V(D)J recombination / pro-B cell differentiation / small-subunit processome assembly / positive regulation of lymphocyte differentiation / DNA-dependent protein kinase activity / histone H2AXS139 kinase activity / DNA-dependent protein kinase complex / DNA-dependent protein kinase-DNA ligase 4 complex / immature B cell differentiation / nonhomologous end joining complex / immunoglobulin V(D)J recombination / regulation of smooth muscle cell proliferation / Cytosolic sensors of pathogen-associated DNA / double-strand break repair via alternative nonhomologous end joining / IRF3-mediated induction of type I IFN / telomere capping / regulation of epithelial cell proliferation / regulation of hematopoietic stem cell differentiation / U3 snoRNA binding / T cell lineage commitment / maturation of 5.8S rRNA / negative regulation of cGAS/STING signaling pathway / B cell lineage commitment / positive regulation of double-strand break repair via nonhomologous end joining / ectopic germ cell programmed cell death / somitogenesis / mitotic G1 DNA damage checkpoint signaling / activation of innate immune response / telomere maintenance / positive regulation of erythrocyte differentiation / negative regulation of protein phosphorylation / protein-DNA complex / small-subunit processome / positive regulation of translation / response to gamma radiation / Nonhomologous End-Joining (NHEJ) / peptidyl-threonine phosphorylation / protein destabilization / brain development / protein modification process / regulation of circadian rhythm / double-strand break repair via nonhomologous end joining / cellular response to insulin stimulus / intrinsic apoptotic signaling pathway in response to DNA damage / rhythmic process / double-strand break repair / E3 ubiquitin ligases ubiquitinate target proteins / heart development / T cell differentiation in thymus / double-stranded DNA binding / peptidyl-serine phosphorylation / RNA polymerase II-specific DNA-binding transcription factor binding / transcription regulator complex / chromosome, telomeric region / non-specific serine/threonine protein kinase / protein kinase activity / positive regulation of apoptotic process / protein phosphorylation / protein domain specific binding / innate immune response / protein serine kinase activity / protein serine/threonine kinase activity / DNA damage response / chromatin / negative regulation of apoptotic process / nucleolus / enzyme binding / positive regulation of transcription by RNA polymerase II / protein-containing complex / RNA binding / nucleoplasm / ATP binding / membrane / nucleus / cytosol
Similarity search - Function
DNA-dependent protein kinase catalytic subunit, CC3 / DNA-dependent protein kinase catalytic subunit, catalytic domain / DNA-dependent protein kinase catalytic subunit, CC5 / DNA-dependent protein kinase catalytic subunit, CC1/2 / DNA-PKcs, N-terminal / DNA-dependent protein kinase catalytic subunit, CC3 / DNA-PKcs, CC5 / DNA-PKcs, N-terminal / DNA-dependent protein kinase catalytic subunit, CC1/2 / NUC194 ...DNA-dependent protein kinase catalytic subunit, CC3 / DNA-dependent protein kinase catalytic subunit, catalytic domain / DNA-dependent protein kinase catalytic subunit, CC5 / DNA-dependent protein kinase catalytic subunit, CC1/2 / DNA-PKcs, N-terminal / DNA-dependent protein kinase catalytic subunit, CC3 / DNA-PKcs, CC5 / DNA-PKcs, N-terminal / DNA-dependent protein kinase catalytic subunit, CC1/2 / NUC194 / : / FATC domain / PIK-related kinase, FAT / FAT domain / FATC / FATC domain / PIK-related kinase / FAT domain profile. / FATC domain profile. / Phosphatidylinositol 3- and 4-kinases signature 1. / Phosphatidylinositol 3/4-kinase, conserved site / Phosphatidylinositol 3- and 4-kinases signature 2. / Phosphatidylinositol 3-/4-kinase, catalytic domain superfamily / Phosphoinositide 3-kinase, catalytic domain / Phosphatidylinositol 3- and 4-kinase / Phosphatidylinositol 3- and 4-kinases catalytic domain profile. / Phosphatidylinositol 3-/4-kinase, catalytic domain / Armadillo-like helical / Armadillo-type fold / Protein kinase-like domain superfamily
Similarity search - Domain/homology
DNA-dependent protein kinase catalytic subunit
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.99 Å
AuthorsLiang S / Thomas SE
Funding support United Kingdom, 1 items
OrganizationGrant numberCountry
Wellcome Trust United Kingdom
CitationJournal: Nature / Year: 2022
Title: Structural insights into inhibitor regulation of the DNA repair protein DNA-PKcs.
Authors: Shikang Liang / Sherine E Thomas / Amanda K Chaplin / Steven W Hardwick / Dimitri Y Chirgadze / Tom L Blundell /
Abstract: The DNA-dependent protein kinase catalytic subunit (DNA-PKcs) has a central role in non-homologous end joining, one of the two main pathways that detect and repair DNA double-strand breaks (DSBs) in ...The DNA-dependent protein kinase catalytic subunit (DNA-PKcs) has a central role in non-homologous end joining, one of the two main pathways that detect and repair DNA double-strand breaks (DSBs) in humans. DNA-PKcs is of great importance in repairing pathological DSBs, making DNA-PKcs inhibitors attractive therapeutic agents for cancer in combination with DSB-inducing radiotherapy and chemotherapy. Many of the selective inhibitors of DNA-PKcs that have been developed exhibit potential as treatment for various cancers. Here we report cryo-electron microscopy (cryo-EM) structures of human DNA-PKcs natively purified from HeLa cell nuclear extracts, in complex with adenosine-5'-(γ-thio)-triphosphate (ATPγS) and four inhibitors (wortmannin, NU7441, AZD7648 and M3814), including drug candidates undergoing clinical trials. The structures reveal molecular details of ATP binding at the active site before catalysis and provide insights into the modes of action and specificities of the competitive inhibitors. Of note, binding of the ligands causes movement of the PIKK regulatory domain (PRD), revealing a connection between the p-loop and PRD conformations. Electrophoretic mobility shift assay and cryo-EM studies on the DNA-dependent protein kinase holoenzyme further show that ligand binding does not have a negative allosteric or inhibitory effect on assembly of the holoenzyme complex and that inhibitors function through direct competition with ATP. Overall, the structures described in this study should greatly assist future efforts in rational drug design targeting DNA-PKcs, demonstrating the potential of cryo-EM in structure-guided drug development for large and challenging targets.
History
DepositionJun 10, 2021-
Header (metadata) releaseJan 12, 2022-
Map releaseJan 12, 2022-
UpdateJul 17, 2024-
Current statusJul 17, 2024Processing site: PDBe / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.2
  • Imaged by UCSF Chimera
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  • Surface view colored by radius
  • Surface level: 0.2
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7otw
  • Surface level: 0.2
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_13068.png

Downloads & links

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Map

FileDownload / File: emd_13068.map.gz / Format: CCP4 / Size: 67 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.3 Å/pix.
x 260 pix.
= 339.04 Å		1.3 Å/pix.
x 260 pix.
= 339.04 Å		1.3 Å/pix.
x 260 pix.
= 339.04 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.304 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.2 / Movie #1: 0.2
Minimum - Maximum-0.5293727 - 1.622736
Average (Standard dev.)0.0019239349 (±0.042184666)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions260260260
Spacing260260260
CellA=B=C: 339.04 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.3041.3041.304
M x/y/z260260260
origin x/y/z0.0000.0000.000
length x/y/z339.040339.040339.040
α/β/γ90.00090.00090.000
start NX/NY/NZ258279248
NX/NY/NZ8855101
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS260260260
D min/max/mean-0.5291.6230.002

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Supplemental data

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Sample components

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Entire : DNA-PKcs in complex with AZD7648

EntireName: DNA-PKcs in complex with AZD7648
Components
  • Complex: DNA-PKcs in complex with AZD7648
    • Protein or peptide: DNA-dependent protein kinase catalytic subunit,DNA-PKcs
  • Ligand: 7-methyl-2-[(7-methyl-[1,2,4]triazolo[1,5-a]pyridin-6-yl)amino]-9-(oxan-4-yl)purin-8-one

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Supramolecule #1: DNA-PKcs in complex with AZD7648

SupramoleculeName: DNA-PKcs in complex with AZD7648 / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: DNA-dependent protein kinase catalytic subunit,DNA-PKcs

MacromoleculeName: DNA-dependent protein kinase catalytic subunit,DNA-PKcs
type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO / EC number: non-specific serine/threonine protein kinase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 471.375406 KDa
SequenceString: MAGSGAGVRC SLLRLQETLS AADRCGAALA GHQLIRGLGQ ECVLSSSPAV LALQTSLVFS RDFGLLVFVR KSLNSIEFRE CREEILKFL CIFLEKMGQK IAPYSVEIKN TCTSVYTKDR AAKCKIPALD LLIKLLQTFR SSRLMDEFKI GELFSKFYGE L ALKKKIPD ...String:
MAGSGAGVRC SLLRLQETLS AADRCGAALA GHQLIRGLGQ ECVLSSSPAV LALQTSLVFS RDFGLLVFVR KSLNSIEFRE CREEILKFL CIFLEKMGQK IAPYSVEIKN TCTSVYTKDR AAKCKIPALD LLIKLLQTFR SSRLMDEFKI GELFSKFYGE L ALKKKIPD TVLEKVYELL GLLGEVHPSE MINNAENLFR AFLGELKTQM TSAVREPKLP VLAGCLKGLS SLLCNFTKSM EE DPQTSRE IFNFVLKAIR PQIDLKRYAV PSAGLRLFAL HASQFSTCLL DNYVSLFEVL LKWCAHTNVE LKKAALSALE SFL KQVSNM VAKNAEMHKN KLQYFMEQFY GIIRNVDSNN KELSIAIRGY GLFAGPCKVI NAKDVDFMYV ELIQRCKQMF LTQT DTGDD RVYQMPSFLQ SVASVLLYLD TVPEVYTPVL EHLVVMQIDS FPQYSPKMQL VCCRAIVKVF LALAAKGPVL RNCIS TVVH QGLIRICSKP VVLPKGPESE SEDHRASGEV RTGKWKVPTY KDYVDLFRHL LSSDQMMDSI LADEAFFSVN SSSESL NHL LYDEFVKSVL KIVEKLDLTL EIQTVGEQEN GDEAPGVWMI PTSDPAANLH PAKPKDFSAF INLVEFCREI LPEKQAE FF EPWVYSFSYE LILQSTRLPL ISGFYKLLSI TVRNAKKIKY FEGVSPKSLK HSPEDPEKYS CFALFVKFGK EVAVKMKQ Y KDELLASCLT FLLSLPHNII ELDVRAYVPA LQMAFKLGLS YTPLAEVGLN ALEEWSIYID RHVMQPYYKD ILPCLDGYL KTSALSDETK NNWEVSALSR AAQKGFNKVV LKHLKKTKNL SSNEAISLEE IRIRVVQMLG SLGGQINKNL LTVTSSDEMM KSYVAWDRE KRLSFAVPFR EMKPVIFLDV FLPRVTELAL TASDRQTKVA ACELLHSMVM FMLGKATQMP EGGQGAPPMY Q LYKRTFPV LLRLACDVDQ VTRQLYEPLV MQLIHWFTNN KKFESQDTVA LLEAILDGIV DPVDSTLRDF CGRCIREFLK WS IKQITPQ QQEKSPVNTK SLFKRLYSLA LHPNAFKRLG ASLAFNNIYR EFREEESLVE QFVFEALVIY MESLALAHAD EKS LGTIQQ CCDAIDHLCR IIEKKHVSLN KAKKRRLPRG FPPSASLCLL DLVKWLLAHC GRPQTECRHK SIELFYKFVP LLPG NRSPN LWLKDVLKEE GVSFLINTFE GGGCGQPSGI LAQPTLLYLR GPFSLQATLC WLDLLLAALE CYNTFIGERT VGALQ VLGT EAQSSLLKAV AFFLESIAMH DIIAAEKCFG TGAAGNRTSP QEGERYNYSK CTVVVRIMEF TTTLLNTSPE GWKLLK KDL CNTHLMRVLV QTLCEPASIG FNIGDVQVMA HLPDVCVNLM KALKMSPYKD ILETHLREKI TAQSIEELCA VNLYGPD AQ VDRSRLAAVV SACKQLHRAG LLHNILPSQS TDLHHSVGTE LLSLVYKGIA PGDERQCLPS LDLSCKQLAS GLLELAFA F GGLCERLVSL LLNPAVLSTA SLGSSQGSVI HFSHGEYFYS LFSETINTEL LKNLDLAVLE LMQSSVDNTK MVSAVLNGM LDQSFRERAN QKHQGLKLAT TILQHWKKCD SWWAKDSPLE TKMAVLALLA KILQIDSSVS FNTSHGSFPE VFTTYISLLA DTKLDLHLK GQAVTLLPFF TSLTGGSLEE LRRVLEQLIV AHFPMQSREF PPGTPRFNNY VDCMKKFLDA LELSQSPMLL E LMTEVLCR EQQHVMEELF QSSFRRIARR GSCVTQVGLL ESVYEMFRKD DPRLSFTRQS FVDRSLLTLL WHCSLDALRE FF STIVVDA IDVLKSRFTK LNESTFDTQI TKKMGYYKIL DVMYSRLPKD DVHAKESKIN QVFHGSCITE GNELTKTLIK LCY DAFTEN MAGENQLLER RRLYHCAAYN CAISVICCVF NELKFYQGFL FSEKPEKNLL IFENLIDLKR RYNFPVEVEV PMER KKKYI EIRKEAREAA NGDSDGPSYM SSLSYLADST LSEEMSQFDF STGVQSYSYS SQDPRPATGR FRRREQRDPT VHDDV LELE MDELNRHECM APLTALVKHM HRSLGPPQGE EDSVPRDLPS WMKFLHGKLG NPIVPLNIRL FLAKLVINTE EVFRPY AKH WLSPLLQLAA SENNGGEGIH YMVVEIVATI LSWTGLATPT GVPKDEVLAN RLLNFLMKHV FHPKRAVFRH NLEIIKT LV ECWKDCLSIP YRLIFEKFSG KDPNSKDNSV GIQLLGIVMA NDLPPYDPQC GIQSSEYFQA LVNNMSFVRY KEVYAAAA E VLGLILRYVM ERKNILEESL CELVAKQLKQ HQNTMEDKFI VCLNKVTKSF PPLADRFMNA VFFLLPKFHG VLKTLCLEV VLCRVEGMTE LYFQLKSKDF VQVMRHRDDE RQKVCLDIIY KMMPKLKPVE LRELLNPVVE FVSHPSTTCR EQMYNILMWI HDNYRDPES ETDNDSQEIF KLAKDVLIQG LIDENPGLQL IIRNFWSHET RLPSNTLDRL LALNSLYSPK IEVHFLSLAT N FLLEMTSM SPDYPNPMFE HPLSECEFQE YTIDSDWRFR STVLTPMFVE TQASQGTLQT RTQEGSLSAR WPVAGQIRAT QQ QHDFTLT QTADGRSSFD WLTGSSTDPL VDHTSPSSDS LLFAHKRSER LQRAPLKSVG PDFGKKRLGL PGDEVDNKVK GAA GRTDLL RLRRRFMRDQ EKLSLMYARK GVAEQKREKE IKSELKMKQD AQVVLYRSYR HGDLPDIQIK HSSLITPLQA VAQR DPIIA KQLFSSLFSG ILKEMDKFKT LSEKNNITQK LLQDFNRFLN TTFSFFPPFV SCIQDISCQH AALLSLDPAA VSAGC LASL QQPVGIRLLE EALLRLLPAE LPAKRVRGKA RLPPDVLRWV ELAKLYRSIG EYDVLRGIFT SEIGTKQITQ SALLAE ARS DYSEAAKQYD EALNKQDWVD GEPTEAEKDF WELASLDCYN HLAEWKSLEY CSTASIDSEN PPDLNKIWSE PFYQETY LP YMIRSKLKLL LQGEADQSLL TFIDKAMHGE LQKAILELHY SQELSLLYLL QDDVDRAKYY IQNGIQSFMQ NYSSIDVL L HQSRLTKLQS VQALTEIQEF ISFISKQGNL SSQVPLKRLL NTWTNRYPDA KMDPMNIWDD IITNRCFFLS KIEEKLTPL PEDNSMNVDQ DGDPSDRMEV QEQEEDISSL IRSCKFSMKM KMIDSARKQN NFSLAMKLLK ELHKESKTRD DWLVSWVQSY CRLSHCRSR SQGCSEQVLT VLKTVSLLDE NNVSSYLSKN ILAFRDQNIL LGTTYRIIAN ALSSEPACLA EIEEDKARRI L ELSGSSSE DSEKVIAGLY QRAFQHLSEA VQAAEEEAQP PSWSCGPAAG VIDAYMTLAD FCDQQLRKEE ENASVIDSAE LQ AYPALVV EKMLKALKLN SNEARLKFPR LLQIIERYPE ETLSLMTKEI SSVPCWQFIS WISHMVALLD KDQAVAVQHS VEE ITDNYP QAIVYPFIIS SESYSFKDTS TGHKNKEFVA RIKSKLDQGG VIQDFINALD QLSNPELLFK DWSNDVRAEL AKTP VNKKN IEKMYERMYA ALGDPKAPGL GAFRRKFIQT FGKEFDKHFG KGGSKLLRMK LSDFNDITNM LLLKMNKDSK PPGNL KECS PWMSDFKVEF LRNELEIPGQ YDGRGKPLPE YHVRIAGFDE RVTVMASLRR PKRIIIRGHD EREHPFLVKG GEDLRQ DQR VEQLFQVMNG ILAQDSACSQ RALQLRTYSV VPMTSRLGLI EWLENTVTLK DLLLNTMSQE EKAAYLSDPR APPCEYK DW LTKMSGKHDV GAYMLMYKGA NRTETVTSFR KRESKVPADL LKRAFVRMST SPEAFLALRS HFASSHALIC ISHWILGI G DRHLNNFMVA METGGVIGID FGHAFGSATQ FLPVPELMPF RLTRQFINLM LPMKETGLMY SIMVHALRAF RSDPGLLTN TMDVFVKEPS FDWKNFEQKM LKKGGSWIQE INVAEKNWYP RQKICYAKRK LAGANPAVIT CDELLLGHEK APAFRDYVAV ARGSKDHNI RAQEPESGLS EETQVKCLMD QATDPNILGR TWEGWEPWM(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)

UniProtKB: DNA-dependent protein kinase catalytic subunit

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Macromolecule #2: 7-methyl-2-[(7-methyl-[1,2,4]triazolo[1,5-a]pyridin-6-yl)amino]-9...

MacromoleculeName: 7-methyl-2-[(7-methyl-[1,2,4]triazolo[1,5-a]pyridin-6-yl)amino]-9-(oxan-4-yl)purin-8-one
type: ligand / ID: 2 / Number of copies: 1 / Formula: MBW
Molecular weightTheoretical: 380.404 Da
Chemical component information

ChemComp-MBW:
7-methyl-2-[(7-methyl-[1,2,4]triazolo[1,5-a]pyridin-6-yl)amino]-9-(oxan-4-yl)purin-8-one

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.6
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 46.8 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: PDB ENTRY
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.99 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 164192
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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