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- EMDB-35246: Outer shell and inner layer structures of Autographa californica ... -

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Entry
Database: EMDB / ID: EMD-35246
TitleOuter shell and inner layer structures of Autographa californica multiple nucleopolyhedrovirus (AcMNPV)
Map dataOuter shell and inner layer of AcMNPV
Sample
  • Virus: Autographa californica multiple nucleopolyhedrovirus
    • Protein or peptide: Major viral capsid protein
    • Protein or peptide: Viral capsid associated protein
    • Protein or peptide: AcOrf-109 peptide
    • Protein or peptide: Early 49 Daa protein
    • Protein or peptide: P40
    • Protein or peptide: Occlusion-derived virus envelope/capsid protein
    • Protein or peptide: 38K
Keywordsvirus / capsid protein / VIRAL PROTEIN
Function / homology
Function and homology information


viral capsid / viral envelope / structural molecule activity
Similarity search - Function
Baculovirus Y142 protein / Autographa californica nuclear polyhedrosis virus (AcMNPV), Orf109 / Protein of unknown function DUF694 / Nucleopolyhedrovirus capsid P80/P87 / Baculovirus Y142 protein / Autographa californica nuclear polyhedrosis virus (AcMNPV) protein / Protein of unknown function (DUF705) / Nucleopolyhedrovirus capsid protein P87 / Baculovirus occlusion-derived virus envelope EC27 / Autographa californica nuclear polyhedrosis virus (AcMNPV), C42 ...Baculovirus Y142 protein / Autographa californica nuclear polyhedrosis virus (AcMNPV), Orf109 / Protein of unknown function DUF694 / Nucleopolyhedrovirus capsid P80/P87 / Baculovirus Y142 protein / Autographa californica nuclear polyhedrosis virus (AcMNPV) protein / Protein of unknown function (DUF705) / Nucleopolyhedrovirus capsid protein P87 / Baculovirus occlusion-derived virus envelope EC27 / Autographa californica nuclear polyhedrosis virus (AcMNPV), C42 / Baculovirus occlusion-derived virus envelope protein EC27 / Autographa californica nuclear polyhedrosis virus (AcMNPV), Orf101 / Baculovirus major capsid protein VP39 / HAD-superfamily phosphatase, subfamily IIIC / Baculovirus major capsid protein VP39 / HAD superfamily / HAD-like superfamily
Similarity search - Domain/homology
Major viral capsid protein / P40 / AcOrf-109 peptide / 38K / Occlusion-derived virus envelope/capsid protein / Viral capsid associated protein / Early 49 Daa protein
Similarity search - Component
Biological speciesAutographa californica multiple nucleopolyhedrovirus
Methodsingle particle reconstruction / cryo EM / Resolution: 4.31 Å
AuthorsJia X / Gao Y / Zhang Q
Funding support China, 1 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC) China
CitationJournal: Nat Commun / Year: 2023
Title: Architecture of the baculovirus nucleocapsid revealed by cryo-EM.
Authors: Xudong Jia / Yuanzhu Gao / Yuxuan Huang / Linjun Sun / Siduo Li / Hongmei Li / Xueqing Zhang / Yinyin Li / Jian He / Wenbi Wu / Harikanth Venkannagari / Kai Yang / Matthew L Baker / Qinfen Zhang /
Abstract: Baculovirus Autographa californica multiple nucleopolyhedrovirus (AcMNPV) has been widely used as a bioinsecticide and a protein expression vector. Despite their importance, very little is known ...Baculovirus Autographa californica multiple nucleopolyhedrovirus (AcMNPV) has been widely used as a bioinsecticide and a protein expression vector. Despite their importance, very little is known about the structure of most baculovirus proteins. Here, we show a 3.2 Å resolution structure of helical cylindrical body of the AcMNPV nucleocapsid, composed of VP39, as well as 4.3 Å resolution structures of both the head and the base of the nucleocapsid composed of over 100 protein subunits. AcMNPV VP39 demonstrates some features of the HK97-like fold and utilizes disulfide-bonds and a set of interactions at its C-termini to mediate nucleocapsid assembly and stability. At both ends of the nucleocapsid, the VP39 cylinder is constricted by an outer shell ring composed of proteins AC104, AC142 and AC109. AC101(BV/ODV-C42) and AC144(ODV-EC27) form a C14 symmetric inner layer at both capsid head and base. In the base, these proteins interact with a 7-fold symmetric capsid plug, while a portal-like structure is seen in the central portion of head. Additionally, we propose an application of AlphaFold2 for model building in intermediate resolution density.
History
DepositionFeb 3, 2023-
Header (metadata) releaseDec 13, 2023-
Map releaseDec 13, 2023-
UpdateDec 13, 2023-
Current statusDec 13, 2023Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_35246.png

Downloads & links

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Map

FileDownload / File: emd_35246.map.gz / Format: CCP4 / Size: 824 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationOuter shell and inner layer of AcMNPV
Voxel sizeX=Y=Z: 1.35 Å
Density
Contour LevelBy AUTHOR: 0.4
Minimum - Maximum-1.4341382 - 2.6451368
Average (Standard dev.)0.001081019 (±0.028097278)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions600600600
Spacing600600600
CellA=B=C: 810.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_35246_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Additional map: additional EM map for chain I,J

Fileemd_35246_additional_1.map
Annotationadditional EM map for chain I,J
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: half map 1

Fileemd_35246_half_map_1.map
Annotationhalf map 1
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: half map 2

Fileemd_35246_half_map_2.map
Annotationhalf map 2
Projections & Slices
AxesZYX

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Slices (1/2)
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Histogram

Histogram (log scale)

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Sample components

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Entire : Autographa californica multiple nucleopolyhedrovirus

EntireName: Autographa californica multiple nucleopolyhedrovirus
Components
  • Virus: Autographa californica multiple nucleopolyhedrovirus
    • Protein or peptide: Major viral capsid protein
    • Protein or peptide: Viral capsid associated protein
    • Protein or peptide: AcOrf-109 peptide
    • Protein or peptide: Early 49 Daa protein
    • Protein or peptide: P40
    • Protein or peptide: Occlusion-derived virus envelope/capsid protein
    • Protein or peptide: 38K

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Supramolecule #1: Autographa californica multiple nucleopolyhedrovirus

SupramoleculeName: Autographa californica multiple nucleopolyhedrovirus / type: virus / ID: 1 / Parent: 0 / Macromolecule list: all / NCBI-ID: 307456
Sci species name: Autographa californica multiple nucleopolyhedrovirus
Virus type: VIRION / Virus isolate: STRAIN / Virus enveloped: No / Virus empty: No

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Macromolecule #1: Major viral capsid protein

MacromoleculeName: Major viral capsid protein / type: protein_or_peptide / ID: 1 / Number of copies: 4 / Enantiomer: LEVO
Source (natural)Organism: Autographa californica multiple nucleopolyhedrovirus
Molecular weightTheoretical: 38.991109 KDa
SequenceString: MALVPVGMAP RQMRVNRCIF ASIVSFDACI TYKSPCSPDA YHDDGWFICN NHLIKRFKMS KMVLPIFDED DNQFKMTIAR HLVGNKERG IKRILIPSAT NYQDVFNLNS MMQAEQLIFH LIYNNENAVN TICDNLKYTE GFTSNTQRVI HSVYATTKSI L DTTNPNTF ...String:
MALVPVGMAP RQMRVNRCIF ASIVSFDACI TYKSPCSPDA YHDDGWFICN NHLIKRFKMS KMVLPIFDED DNQFKMTIAR HLVGNKERG IKRILIPSAT NYQDVFNLNS MMQAEQLIFH LIYNNENAVN TICDNLKYTE GFTSNTQRVI HSVYATTKSI L DTTNPNTF CSRVSRDELR FFDVTNARAL RGGAGDQLFN NYSGFLQNLI RRAVAPEYLQ IDTEELRFRN CATCIIDETG LV ASVPDGP ELYNPIRSSD IMRSQPNRLQ IRNVLKFEGD TRELDRTLSG YEEYPTYVPL FLGYQIINSE NNFLRNDFIP RAN PNATLG GGAVAGPAPG VAGEAGGGIA V

UniProtKB: Major viral capsid protein

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Macromolecule #2: Viral capsid associated protein

MacromoleculeName: Viral capsid associated protein / type: protein_or_peptide / ID: 2 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Autographa californica multiple nucleopolyhedrovirus
Molecular weightTheoretical: 79.974469 KDa
SequenceString: MNDSNSLLIT RLAAQILSRN MQTVDVIVDD KTLSLEEKID TLTSMVLAVN SPPQSPPRVT SSDLAASIIK NNSKMVGNDF EMRYNVLRM AVVFVKHYPK YYNETTAGLV AEIESNLLQY QNYVNQGNYQ NIEGYDSLLN KAEECYVKID RLFKESIKKI M DDTEAFER ...String:
MNDSNSLLIT RLAAQILSRN MQTVDVIVDD KTLSLEEKID TLTSMVLAVN SPPQSPPRVT SSDLAASIIK NNSKMVGNDF EMRYNVLRM AVVFVKHYPK YYNETTAGLV AEIESNLLQY QNYVNQGNYQ NIEGYDSLLN KAEECYVKID RLFKESIKKI M DDTEAFER EQEAERLRAE QTAANALLER RAQTSADDVV NRADANIPTA FSDPLPGPSA PRYMYESSES DTYMETARRT AE HYTDQDK DYNAAYTADE YNSLVKTVLL RLIEKALATL KNRLHITTID QLKKFRDYLN SDADAGEFQI FLNQEDCVIL KNL SNLASK FFNVRCVADT LEVMLEALRN NIELVQPESD AVRRIVIKMT QEIKDSSTPL YNIAMYKSDY DAIKNKNIKT LFDL YNDRL PINFLDTSAT SPVRKTSGKR SAEDDLLPTR SSKRANRPEI NVISSEDEQE DDDVEDVDYE KESKRRKLED EDFLK LKAL EFSKDIVNEK LQKIIVVTDG MKRLYEYCNC KNSLETLPSA ANYGSLLKRL NLYNLDHIEM NVNFYELLFP LTLYND NDN SDKTLSHQLV NYIFLASNYF QNCAKNFNYM RETFNVFGPF KQIDFMVMFV IKFNFLCDMR NFAKLIDELV PNKQPNM RI HSVLVMRDKI VKLAFSNLQF QTFSKKDKSR NTKHLQRLIM LMNANYNVI

UniProtKB: Viral capsid associated protein

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Macromolecule #3: AcOrf-109 peptide

MacromoleculeName: AcOrf-109 peptide / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Autographa californica multiple nucleopolyhedrovirus
Molecular weightTheoretical: 44.851441 KDa
SequenceString: MECPFQIQVC ISDRFFAFPH NLVEPQSDVG NKLIENLIVY VPTDDDRLYI DKKQFPKFNS VLVYRHEHDV NIDSRSPKKT ASATIVYWN PLVPITEIGA GETRVFSVLL TNNLFYCNTM IVHHENPKCP IEFTYPETDM QSACSALLKN RNGQSVPPPI K SNLRPIAC ...String:
MECPFQIQVC ISDRFFAFPH NLVEPQSDVG NKLIENLIVY VPTDDDRLYI DKKQFPKFNS VLVYRHEHDV NIDSRSPKKT ASATIVYWN PLVPITEIGA GETRVFSVLL TNNLFYCNTM IVHHENPKCP IEFTYPETDM QSACSALLKN RNGQSVPPPI K SNLRPIAC EIPLSHFKEL VESNDFLLCF NLETSTMVKI LSLKRIFCIF QYRKQPARYV INLPHEEIDN LYNKLNWERT RR LMKGDVP SNCATVNRSS LKYIKQAQSL LGIPDYSQTV VDFVKMFQKI IFPYQLVPNV IIKLNNFDQM VSSAPNKAEP YKK IRLFCK NDSIAISSSG IVPINMPDFS PPNTFDYSDY ANRTNINFVT QRVLTDGGFS SGITVTPVKY NYYL

UniProtKB: AcOrf-109 peptide

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Macromolecule #4: Early 49 Daa protein

MacromoleculeName: Early 49 Daa protein / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Autographa californica multiple nucleopolyhedrovirus
Molecular weightTheoretical: 55.480898 KDa
SequenceString: MSGGGNLLTL ERDHFKYLFL TSYFDLKDNE HVPSEPMAFI RNYLNCTFDL LDDAVLMNYF NYLQSMQLKH LVGSTSTNIF KFVKPQFRF VCDRTTVDIL EFDTRMYIKP GTPVYATNLF TSNPRKMMAF LYAEFGKVFK NKIFVNINNY GCVLAGSAGF L FDDAYVDW ...String:
MSGGGNLLTL ERDHFKYLFL TSYFDLKDNE HVPSEPMAFI RNYLNCTFDL LDDAVLMNYF NYLQSMQLKH LVGSTSTNIF KFVKPQFRF VCDRTTVDIL EFDTRMYIKP GTPVYATNLF TSNPRKMMAF LYAEFGKVFK NKIFVNINNY GCVLAGSAGF L FDDAYVDW NGVRMCAAPR LDNNMHPFRL YLLGEDMAKH FVDNNILPPH PSNAKTRKIN NSMFMLKNFY KGLPLFKSKY TV VNSTKIV TRKPNDIFNE IDKELNGNCP FIKFIQRDYI FDAQFPPDLL DLLNEYMTKS SIMKIITKFV IEENPAMSGE MSR EIILDR YSVDNYRKLY IKMEITNQFP VMYDHESSYI FVSKDFLQLK GTMNAFYAPK QRILSILAVN RLFGATETID FHPN LLVYR QSSPPVRLTG DVYVVDKNEK VFLVKHVFSN TVPAYLLIRG DYESSSDLKS LRDLNPWVQN TLLKLLIPDS VQ

UniProtKB: Early 49 Daa protein

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Macromolecule #5: P40

MacromoleculeName: P40 / type: protein_or_peptide / ID: 5 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Autographa californica multiple nucleopolyhedrovirus
Molecular weightTheoretical: 41.583594 KDa
SequenceString: MSAIALYLEI NKLRLKIDEP MQLAIWPQLF PLLCDEHQSV QLNTDVLINF MMHVARKSQN TILNNNAAIA SQYAAGNADV VAAPASAQP TPRPVINLFA RANAAAPAQP SEELINMRRY RNAARKLIHH YSLNSTSSTE YKISDVVMTM IFLLRSEKYH S LFKLLETT ...String:
MSAIALYLEI NKLRLKIDEP MQLAIWPQLF PLLCDEHQSV QLNTDVLINF MMHVARKSQN TILNNNAAIA SQYAAGNADV VAAPASAQP TPRPVINLFA RANAAAPAQP SEELINMRRY RNAARKLIHH YSLNSTSSTE YKISDVVMTM IFLLRSEKYH S LFKLLETT FDDYTCRPQM TQVQTDTLLD AVRSLLEMPS TTIDLTTVDI MRSSFARCFN SPIMRYAKIV LLQNVALQRD KR TTLEELL IERGEKIQML QPQQYINSGT EIPFCDDAEF LNRLLKHIDP YPLSRMYYNA ANTMFYTTME NYAVSNCKFN IED YNNIFK VMENIRKHSN KNSNDQDELN IYLGVQSSNA KRKKY

UniProtKB: P40

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Macromolecule #6: Occlusion-derived virus envelope/capsid protein

MacromoleculeName: Occlusion-derived virus envelope/capsid protein / type: protein_or_peptide / ID: 6 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Autographa californica multiple nucleopolyhedrovirus
Molecular weightTheoretical: 33.568152 KDa
SequenceString: MKRIKCNKVR TVTEIVNSDE KIQKTYELAE FDLKNLSSLE SYETLKIKLA LSKYMAMLST LEMTQPLLEI FRNKADTRQI AAVVFSTLA FIHNRFHPLV TNFTNKMEFV VTETNDTSIP GEPILFTENE GVLLCSVDRP SIVKMLSREF DTEALVNFEN D NCNVRIAK ...String:
MKRIKCNKVR TVTEIVNSDE KIQKTYELAE FDLKNLSSLE SYETLKIKLA LSKYMAMLST LEMTQPLLEI FRNKADTRQI AAVVFSTLA FIHNRFHPLV TNFTNKMEFV VTETNDTSIP GEPILFTENE GVLLCSVDRP SIVKMLSREF DTEALVNFEN D NCNVRIAK TFGASKRKNT TRSDDYESNK QPNYDMDLSD FSITEVEATQ YLTLLLTVEH AYLHYYIFKN YGVFEYCKSL TD HSLFTNK LRSTMSTKTS NLLLSKFKFT IEDFDKINSN SVTSGFNIYN FNK

UniProtKB: Occlusion-derived virus envelope/capsid protein

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Macromolecule #7: 38K

MacromoleculeName: 38K / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Autographa californica multiple nucleopolyhedrovirus
Molecular weightTheoretical: 38.0705 KDa
SequenceString: MASSLQSKWI CLRLNDAIIK RHVLVLSEYA DLKYLGFEKY KFFEYVIFQF CNDPQLCKII ENNYNYCMQI FKAPADDMRD IRHNIKRAF KTPVLGHMCV LSNKPPMYSF LKEWFLLPHY KVVSLKSESL TWGFPHVVVF DLDSTLITEE EQVEIRDPFV Y DSLQELHE ...String:
MASSLQSKWI CLRLNDAIIK RHVLVLSEYA DLKYLGFEKY KFFEYVIFQF CNDPQLCKII ENNYNYCMQI FKAPADDMRD IRHNIKRAF KTPVLGHMCV LSNKPPMYSF LKEWFLLPHY KVVSLKSESL TWGFPHVVVF DLDSTLITEE EQVEIRDPFV Y DSLQELHE MGCVLVLWSY GSRDHVAHSM RDVDLEGYFD IIISEGSTVQ EERSDLVQNS HNAIVDYNLK KRFIENKFVF DI HNHRSDN NIPKSPKIVI KYLSDKNVNF FKSITLVDDL PTNNYAYDFY VKVKRCPTPV QDWEHYHNEI IQNIMDYEQY FIK

UniProtKB: 38K

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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
GridModel: Quantifoil R1.2/1.3 / Pretreatment - Type: GLOW DISCHARGE
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 3.5 µm / Nominal defocus min: 1.5 µm
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 50.0 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: NONE
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 4.31 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 337988
FSC plot (resolution estimation)

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