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- EMDB-32931: Cryo-EM structure of MEC1-DDC2 -

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Basic information

Entry
Database: EMDB / ID: EMD-32931
TitleCryo-EM structure of MEC1-DDC2
Map data
Sample
  • Complex: MEC1-DDC2
    • Protein or peptide: Serine/threonine-protein kinase MEC1
Biological speciesSaccharomyces cerevisiae (brewer's yeast)
Methodsingle particle reconstruction / Resolution: 4.0 Å
AuthorsZhang Q
Funding support China, 1 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC) China
CitationJournal: Cell Discov / Year: 2022
Title: Structures of Mec1/ATR kinase endogenously stimulated by different genotoxins.
Authors: Qingjun Zhang / Po Wang / Tengwei Wu / Yueyue Zhang / Zexuan Zheng / Shangzhi Zhou / Dong Qian / Xuejuan Wang / Gang Cai /
History
DepositionFeb 22, 2022-
Header (metadata) releaseMar 8, 2023-
Map releaseMar 8, 2023-
UpdateMar 8, 2023-
Current statusMar 8, 2023Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_32931.png

Downloads & links

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Map

FileDownload / File: emd_32931.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 1.35 Å
Density
Contour LevelBy AUTHOR: 0.05
Minimum - Maximum-0.1922281 - 0.30095392
Average (Standard dev.)0.0007541061 (±0.013247274)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 345.6 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : MEC1-DDC2

EntireName: MEC1-DDC2
Components
  • Complex: MEC1-DDC2
    • Protein or peptide: Serine/threonine-protein kinase MEC1

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Supramolecule #1: MEC1-DDC2

SupramoleculeName: MEC1-DDC2 / type: complex / ID: 1 / Chimera: Yes / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)

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Macromolecule #1: Serine/threonine-protein kinase MEC1

MacromoleculeName: Serine/threonine-protein kinase MEC1 / type: protein_or_peptide / ID: 1 / Enantiomer: LEVO
SequenceString: MESHVKYLDE LILAIKDLNS GVDSKVQIKK VPTDPSSSQE YAKSLKILNT LIRNLKDQRR NNIMKNDTIF SKTVSALALL LEYNPFLLV MKDSNGNFEI QRLIDDFLNI SVLNYDNYHR IWFMRRKLGS WCKACVEFYG KPAKFQLTAH FENTMNLYEQ A LTEVLLGK ...String:
MESHVKYLDE LILAIKDLNS GVDSKVQIKK VPTDPSSSQE YAKSLKILNT LIRNLKDQRR NNIMKNDTIF SKTVSALALL LEYNPFLLV MKDSNGNFEI QRLIDDFLNI SVLNYDNYHR IWFMRRKLGS WCKACVEFYG KPAKFQLTAH FENTMNLYEQ A LTEVLLGK TELLKFYDTL KGLYILLYWF TSEYSTFGNS IAFLDSSLGF TKFDFNFQRL IRIVLYVFDS CELAALEYAE IQ LKYISLV VDYVCNRTIS TALDAPALVC CEQLKFVLTT MHHFLDNKYG LLDNDPTMAK GILRLYSLCI SNDFSKCFVD HFP IDQWAD FSQSEHFPFT QLTNKALSIV YFDLKRRSLP VEALKYDNKF NIWVYQSEPD SSLKNVTSPF DDRYKQLEKL RLLV LKKFN KTERGTLLKY RVNQLSPGFF QRAGNDFKLI LNEASVSIQT CFKTNNITRL TSWTVILGRL ACLESEKFSG TLPNS TKDM DNWYVCHLCD IEKTGNPFVR INPNRPEAAG KSEIFRILHS NFLSHPNIDE FSESLLSGIL FSLHRIFSHF QPPKLT DGN GQINKSFKLV QKCFMNSNRY LRLLSTRIIP LFNISDSHNS EDEHTATLIK FLQSQKLPVV KENLVIAWTQ LTLTTSN DV FDTLLLKLID IFNSDDYSLR IMMTLQIKNM AKILKKTPYQ LLSPILPVLL RQLGKNLVER KVGFQNLIEL LGYSSKTI L DIFQRYIIPY AIIQYKSDVL SEIAKIMCDG DTSLINQMKV NLLKKNSRQI FAVALVKHGL FSLDILETLF LNRAPTFDK GYITAYLPDY KTLAEITKLY KNSVTKDASD SENANMILCS LRFLITNFEK DKRHGSKYKN INNWTDDQEQ AFQKKLQDNI LGIFQVFSS DIHDVEGRTT YYEKLRVING ISFLIIYAPK KSIISALAQI SICLQTGLGL KEVRYEAFRC WHLLVRHLND E ELSTVIDS LIAFILQKWS EFNGKLRNIV YSILDTLIKE KSDLILKLKP YTTLALVGKP ELGILARDGQ FARMVNKIRS TT DLIPIFA NNLKSSNKYV INQNLDDIEV YLRRKQTERS IDFTPKKVGQ TSDITLVLGA LLDTSHKFRN LDKDLCEKCA KCI SMIGVL DVTKHEFKRT TYSENEVYDL NDSVQTIKFL IWVINDILVP AFWQSENPSK QLFVALVIQE SLKYCGLSSE SWDM NHKEL YPNEAKLWEK FNSVSKTTIY PLLSSLYLAQ SWKEYVPLKY PSNNFKEGYK IWVKRFTLDL LKTGTTENHP LHVFS SLIR EDDGSLSNFL LPYISLDIII KAEKGTPYAD ILNGIIIEFD SIFTCNLEGM NNLQVDSLRM CYESIFRVFE YCKKWA TEF KQNYSKLHGT FIIKDTKTTN MLLRIDEFLR TTPSDLLAQR SLETDSFERS ALYLEQCYRQ NPHDKNQNGQ LLKNLQI TY EEIGDIDSLD GVLRTFATGN LVSKIEELQY SENWKLAQDC FNVLGKFSDD PKTTTRMLKS MYDHQLYSQI ISNSSFHS S DGKISLSPDV KEWYSIGLEA ANLEGNVQTL KNWVEQIESL RNIDDREVLL QYNIAKALIA ISNEDPLRTQ KYIHNSFRL IGTNFITSSK ETTLLKKQNL LMKLHSLYDL SFLSSAKDKF EYKSNTTILD YRMERIGADF VPNHYILSMR KSFDQLKMNE QADADLGKT FFTLAQLARN NARLDIASES LMHCLERRLP QAELEFAEIL WKQGENDRAL KIVQEIHEKY QENSSVNARD R AAVLLKFT EWLDLSNNSA SEQIIKQYQD IFQIDSKWDK PYYSIGLYYS RLLERKKAEG YITNGRFEYR AISYFLLAFE KN TAKVREN LPKVITFWLD IAAASISEAP GNRKEMLSKA TEDICSHVEE ALQHCPTYIW YFVLTQLLSR LLHSHQSSAQ IIM HILLSL AVEYPSHILW YITALVNSNS SKRVLRGKHI LEKYRQHSQN PHDLVSSALD LTKALTRVCL QDVKSITSRS GKSL EKDFK FDMNVAPSAM VVPVRKNLDI ISPLESNSMR GYQPFRPVVS IIRFGSSYKV FSSLKKPKQL NIIGSDGNIY GIMCK KEDV RQDNQYMQFA TTMDFLLSKD IASRKRSLGI NIYSVLSLRE DCGILEMVPN VVTLRSILST KYESLKIKYS LKSLHD RWQ HTAVDGKLEF YMEQVDKFPP ILYQWFLENF PDPINWFNAR NTYARSYAVM AMVGHILGLG DRHCENILLD IQTGKVL HV DFDCLFEKGK RLPVPEIVPF RLTPNLLDAL GIIGTEGTFK KSSEVTLALM RKNEVALMNV IETIMYDRNM DHSIQKAL K VLRNKIRGID PQDGLVLSVA GQTETLIQEA TSEDNLSKMY IGWLPFW

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Experimental details

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Structure determination

Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 6.5

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Electron microscopy

MicroscopeFEI TECNAI F30
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 5.0 µm / Nominal defocus min: 1.2 µm
Experimental equipment
Model: Tecnai F30 / Image courtesy: FEI Company

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Image processing

Final reconstructionResolution.type: BY AUTHOR / Resolution: 4.0 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 142400
Initial angle assignmentType: PROJECTION MATCHING
Final angle assignmentType: PROJECTION MATCHING

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