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Yorodumi- EMDB-72927: Plasmodium falciparum moving junction staple - PfAMA1, PfRON2, Pf... -
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Open data
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Basic information
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| Title | Plasmodium falciparum moving junction staple - PfAMA1, PfRON2, PfRON4, PfRON5 | |||||||||
Map data | Composite map of PfAMA1-RON2/4/5 | |||||||||
Sample |
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Keywords | Invasion / Plasmodium / Apicomplexa / CryoEM / Endogenous / MEMBRANE PROTEIN | |||||||||
| Function / homology | Function and homology information | |||||||||
| Biological species | ![]() | |||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 3.7 Å | |||||||||
Authors | Haile MT / Zhen J / Ho C | |||||||||
| Funding support | United States, 1 items
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Citation | Journal: Cell / Year: 2026Title: Structural basis for host membrane binding and remodeling by invading malaria parasites. Authors: Meseret T Haile / Daphne A Kaxiras / James Zhen / Carolyn L Lee / Britney Jiang / Jennifer L Small-Saunders / Chi-Min Ho / ![]() Abstract: The Plasmodium moving junction is central to malarial host-cell invasion, and yet its function remains unclear. Here, we determine the endogenous structure of the basic repeating unit of the moving ...The Plasmodium moving junction is central to malarial host-cell invasion, and yet its function remains unclear. Here, we determine the endogenous structure of the basic repeating unit of the moving junction, purified directly from invasion-stalled Plasmodium falciparum parasites, revealing a sailboat-shaped 1:1:1:1 assembly of apical membrane antigen 1 (PfAMA1) and rhoptry neck proteins 2, 4, and 5 (PfRON2, PfRON4, and PfRON5). We observe two PfRON2 transmembrane helices that anchor the complex in the red blood cell (RBC) membrane and display an extracellular handle for PfAMA1 binding. PfAMA1 directly contacts the RBC membrane, strengthening the connection. PfRON2/4/5 form a large, basic platform inside the RBC that electrostatically engages the RBC membrane and wedges seven amphipathic helices deep into the bilayer, suggesting an active role in host-membrane remodeling. We then leverage the native membrane context revealed by our structure, along with recent advances in computational protein design, to enable the rational design of a small protein binder that inhibits invasion. | |||||||||
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Structure visualization
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Downloads & links
-EMDB archive
| Map data | emd_72927.map.gz | 502.9 MB | EMDB map data format | |
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| Header (meta data) | emd-72927-v30.xml emd-72927.xml | 23.6 KB 23.6 KB | Display Display | EMDB header |
| Images | emd_72927.png | 48.7 KB | ||
| Filedesc metadata | emd-72927.cif.gz | 9 KB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-72927 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-72927 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 9ygjMC C: citing same article ( M: atomic model generated by this map |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
| EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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Map
| File | Download / File: emd_72927.map.gz / Format: CCP4 / Size: 824 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| Annotation | Composite map of PfAMA1-RON2/4/5 | ||||||||||||||||||||||||||||||||||||
| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 0.823 Å | ||||||||||||||||||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
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-Supplemental data
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Sample components
-Entire : Plasmodium falciparum moving junction staple with PfAMA1 - PfRON2...
| Entire | Name: Plasmodium falciparum moving junction staple with PfAMA1 - PfRON2 - PfRON4 - PfRON5 |
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| Components |
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-Supramolecule #1: Plasmodium falciparum moving junction staple with PfAMA1 - PfRON2...
| Supramolecule | Name: Plasmodium falciparum moving junction staple with PfAMA1 - PfRON2 - PfRON4 - PfRON5 type: complex / ID: 1 / Parent: 0 / Macromolecule list: all |
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| Source (natural) | Organism: ![]() |
-Macromolecule #1: Rhoptry neck protein 2
| Macromolecule | Name: Rhoptry neck protein 2 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: ![]() |
| Molecular weight | Theoretical: 249.80175 KDa |
| Sequence | String: MLKFFIFILH IYLYIDSIYS SELSKHVKHD TDELKYASPT YDPKKGTKVI FYMPGNEQGV IPNNIQNKQH GTSIYPAIEY PTTKYPAIE YPGSEMNNGK TGTTNSGIYN KAHGSSNDYN ASNSQDKTIN LHIDENNSNN SYQPYDSNNT NNNTNSNNNS N NNSNNNSN ...String: MLKFFIFILH IYLYIDSIYS SELSKHVKHD TDELKYASPT YDPKKGTKVI FYMPGNEQGV IPNNIQNKQH GTSIYPAIEY PTTKYPAIE YPGSEMNNGK TGTTNSGIYN KAHGSSNDYN ASNSQDKTIN LHIDENNSNN SYQPYDSNNT NNNTNSNNNS N NNSNNNSN NNSNNYSNNN SNTNSNTNSN TNSNNNTTNY DLNSEYEKIR RKEEEAARRI ERERRADINR KNQDNNSNKY NN EQNGGYE SDGNSPNSRV NINITNNGTH GNPHNNNSYG HKNNMHNTTN GNYANGNYAN GNYSKGDYTN GDYTNGDYTN GDY TNGINN NMHGKNNYNT ANGEYVNGAY DGLNNGSYKL IGNLNNNQNV DNSYNQGNEN DKTYTSNYNI NLEDNKNSPD NNQN YISTF NKDIGPNKSE RSYYDVYGRE YDDNKYNPYN KTNNHNTNQN GSTTYGSNAN GTYGPNGTYG SNGTYEPNES YGPNG AYGP NGTYGHNGKY GSKGTYGNNE TPYYVEHPEY DNGKSMSDFH VKDSKDNIGP GGDYPNLYQN IYGNEKNPNI FPGSPR NIN VYSVHHIPNN GANGGLNSGA NGGLNNGAND GLNNGANGGL NNGANGGLNN GANGGLNNGM NNGMNNGMNN GMNNGMN NG MNNGMNNGTN GGLNNGMNNG MNNGMNNGMN NGIHDDLYNS ENSTFNNGLN NSGRTGLNNA YPHNGMLNNG TEYNVHYG N SDSNNTNDSM LNENYYSDSD YDDHTPGNKK KVYKSVAERN KKSASQDSLG AGFSDSDSDS EYEVVDGENK KYKKKNKEN NEKDKYENNW DSNNYNSDNE IKDGYLSESE REYARNKANE IEDKMKKGEY SRKYKNSKSN ESGYASKQTS DSDDSDIEAN AFYVDNGQE MLIKEKEHYS SDSEHHKEES ASIGNLNVFF PAENYHFSTY MGFDRRSFLP SNEIELEKMI GANFSNEVKN Y CSRQNVAQ KIGDYLNISF EYSRALEELR SEMILDFNKR KHLTNNTDDT ILHMIENAEK RKNDPNYKEA YENKDYANNA NI FMNEYSN PLSTKYNKIL KEYLCHLFVN NPGTKPLERL YYNSLALGEL VEPIRNKFKS LASSTIDFNY EIHMASASNI YLL AHFLVL SLAYLSYNEY FTTGTKSFYS LPTILTANSD NSFFMLNEMC NIHYNPNKNF KKDITFIPIE SRPKRTTTFY GERR LTCDL LELVLNAIML ININEINNVF SNNNVDGYEN SLSFSHNAIR IFSKVCPKIN NDNVLKCEFE ESSLYNPKII KNDTS EKSS QKNLKKAFDL LRTYAEIEGH SAEGSTSPYY VSLILDDMKY NDFYKYTLWY EPRELIYGDI RGMQMKKKKK TKYIYN DFM KKSTQLKKKL IKNDLKYNLK SKGLVFLYAM IDKYGSILNK SQKAKVQFLN STSSIRYYLY LNKVIFKSAK TYLDIMK RV LEELQTSTNT PLKFLVRGNY IENINNIARN DNMFYANLFV LTALSRRDPV KDYYNDKRKM LSATLAEKFA NSTSMLIP H KLRKLVVSMK KGLLKKKLLT SLAKVKLLQH IPAHMLENIT SSIRFTTHTI ATMQIIQNAK YMSKHNFSQY DSKGMLARQ IFTKGGFAEY ADNLMAKWFS KGFEEYKREQ IENFKMENSI DSELKDSERE DENDSSEESA KKKLQDLQLE EREKMKKENS LLFNQSDKW DQFINKELVR ALGLWLEFND NPTNASSFVY KVVEDSKHLL ENNIDNNIIF SRTVKPTKQT AFRRFFNKIL S LGNMLLRK PSFRVEHALW FGATIDIKKA FILLEKVSEL HKMLNNQDES WLINEAFIEI VDHVVDLSTY KHVREPFGVA RN PGMMAIN PKYAELSHEN RLRELQNSMC ADHCSSVWKV ISSFALHHLK NPDSLHTYES KFSKNSFGNK IDDKDFVHNF KMI LGGDAV LHYFDNLLPK TMKKDLKAMK YGVSLTSAYS LKLTKIIFSQ MQLPYLSQMF YMQAPYFGHF IGKWQKKRQQ SRLK EIMSF MTLGSLSAYT LFSAMDITQQ AKDIGAGPVA SCFTTRMSPP QQICLNSVVN TALSTSTQSA MKCVFSVGLF ASIGP YLFA PMAGLAVWNI LKSEFKVLQR IDMALKNVFK NMWNKFLSLK GISKLRGIFK RKKAMKKKII ENATRKMNDM KNNPEK AKA HKMALKKINN YSKGSYHYIS YAKIRI UniProtKB: Rhoptry neck protein 2 |
-Macromolecule #2: Rhoptry neck protein 4
| Macromolecule | Name: Rhoptry neck protein 4 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: ![]() |
| Molecular weight | Theoretical: 135.755219 KDa |
| Sequence | String: MSSVRFFLCI FLVLFTFIDI VKPFKGNYGE ANFSFFQATP ASHIEEPQKT ESTDAQSNIT QNEEINNTKP LQENITNNQQ NSNEQQNNN EQQNNIEQQN NNIQQNNIDT SISHVPNDTI KNPIDNSNIS NLDKSNDTNN VIKHEENNQT KENNLETIKH T EPLTNQNT ...String: MSSVRFFLCI FLVLFTFIDI VKPFKGNYGE ANFSFFQATP ASHIEEPQKT ESTDAQSNIT QNEEINNTKP LQENITNNQQ NSNEQQNNN EQQNNIEQQN NNIQQNNIDT SISHVPNDTI KNPIDNSNIS NLDKSNDTNN VIKHEENNQT KENNLETIKH T EPLTNQNT NEVKINDHNE HEKNTEENKI EEQYNNINHH SHDINKNQSI NNNMNNENAD KNVPHLDQSA MSNEKHINEH TT NHPIESH TGENNHDKIN EPIPIEHATT PTNEPIPIEH AATPTNEPIP IEHAATPTNE PIHIEHVATP ANEPTHSEHA TTT TNEPIH IEHAATPTNE HIHNEHATTT TNEPTHNEHA ATITHEPTHN EHTTTPTNEP IHNEHATTPT NEPIPIEHIA TPAN EPTHN EHATTTTNEP THNEHTTTPT NEPIHNEHAT TPTNEPIPIE HIATPANEPT HNEHATTTTN EPTHNEHATT TTNEP THNE HATTTTNEPI HNEHATATTN ESTHNEHATT TTNEPTHNEH STTPTNESTH SENATTSTNE QHSHDQNTEV HPNDKL ALV PFQGIKNPIP SNESQPIISF PNEDDNHAQN EGSINAPSEG EHNNTDNKEG PIITPLEGEQ AGTAHKEDVT HKHMVGE HV PPQKTHHGPI ITPVGGNHVP PQTHHAHIIT PVGGEHAHGQ GNNDTTYVTM NTDESSSSDT KGEHSNLRSY NKNMNNNH A QRDQYDSDTL NSEGSDDAYS SMQQNFEKNG IDSFKGKGLH VSLRERIIIE IMESAKNGID GLLKLKDSKD SGKLFMEAL EKLNINMKDL KKDKNLISLE VYDKILSTMF KILTEMSFYE DSKFYETLGI KKDILNQSLK DIKIKMLRKL GVSYSRLPPI IKHTEGKCA IKDIIISISS KELAQRMAIM FTKWLAPDEY GAVVDYENNV ELNVLCSGAP ILIQQWKYYQ NMLGFEEDKD H AYLGLIDE LLVMNKRYSQ NKDYVETLEK IKKSKVFKHC TKIMRIGGKV SSVPFNYENV KKPSSSIIGS LGNLIKANIS TY YKATAQR INSYFHYTEK KSKKSSPLKI ISVCTLLHLT DMLYKCSDEN SNGVMDLYNL QLNTLNMKGK MVLQYLVHLK FLT QEKKNQ LKEICEPQNG LIDETLTKML ILLSTDSHEL LSHELENKGF DEDYIQDEIK NINESDNNIR DKEEDDAEKM IFDD L UniProtKB: Rhoptry neck protein 4 |
-Macromolecule #3: Rhoptry neck protein 5
| Macromolecule | Name: Rhoptry neck protein 5 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: ![]() |
| Molecular weight | Theoretical: 133.892 KDa |
| Sequence | String: MLKYTLLIYI IAGYFISEIS NKLFDTLLPR NVFKKPKPFK KNEIKKGIDK DEKSIMKNVD SIDVMFEPRV KRFVPSRTRK THVVGGLSQ SIPDPGDVEK SKYEKAVRFF ENIKNEMINM SSKINKQLDS QDISSLNNFK RASEVLKESL ATMHSLDIIR N DGSVDFSK ...String: MLKYTLLIYI IAGYFISEIS NKLFDTLLPR NVFKKPKPFK KNEIKKGIDK DEKSIMKNVD SIDVMFEPRV KRFVPSRTRK THVVGGLSQ SIPDPGDVEK SKYEKAVRFF ENIKNEMINM SSKINKQLDS QDISSLNNFK RASEVLKESL ATMHSLDIIR N DGSVDFSK YTLDWYSKAN MREKYSIEKS IQKIMNKLFK KARKKKKNMK KKKIDANIEQ LEMDLLVQKF ITENLNASKL LK LYDDSAN DYVSPMHTDV CGQLGSIIFS YMFEKAYKSS INHDISYFQK YLPRLKYRIQ NMIQKGTLLL LEKGLDDSLY TFK SKISDI MEKKFGFNDM CTDKCMDETI KADYDLSEYK NEFSPSKTAQ RRADLVKLLM YYYRDKIYNI ETSADVVLIM LLYL NSANE LSEKGYLDVS SISTDDEFNL INKTIDRSHK FNKKIKIKKK TFFKIAPFNF FREETQEKTG NESIFAIDDI IKTSL LAKK SQNYNSLYET TKDLWNQIQN MYSASYGFVQ SKKIKTNKFV GSKIRNVGFL LRWFNYNKTP SKNINFLVNN FSPLVS ISL QLVFFITTMI EQYESSFLGN FSSALKKIFT LGKSGRNPRN YNDLVNFSEV DYLLRTSKAN NVQRIIMQII RMLKKKF LS SSYTPTLLAQ YMSIFLSLWV FEGENNISLQ NPNISRFKKI FFLTYFVHEK GPVEKAVDII YNKCRMKTDK IVLGCIHD Y GGREKKKLLG LISRKCKPTK ISIRKRSIRK ILNKLMSSLN DPVDILRIAV DTATRCDHFN RSKNIDNVKT KKNKINYEI FVKSELSIRY ICADVTKNVV KKIIRDVSRL KNMREAQNVI DNGLNSVQYL KIRNYRDKES SFTILCPFME GNDKNIRELE RTQISLFIH KNIGMSRIIK GKLINIFKKT LNMREGIKSD SAISIKVGAR KYNGIIFTGG YQLNVDNLDQ NTLHIGLSKT R KVYDGRKY VDELEILKGD GVKNIYMKGL NEDNERIYEL QNNMRVSEFD YAIQNPEANI IVFDGNNYIS SYALRNMGLE HE RIVWAGP SVGWTAEFAL SAISDNPLPI FDGSAWVLLE KLSIRSILGK HLPSDVNGNS LANTVNFVIL NKDGKPILKN TTP VINLKY ATFTLSGIVN FVIKAEKGIG NEIIVHTRIP UniProtKB: Rhoptry neck protein 5 |
-Macromolecule #4: Apical membrane antigen 1
| Macromolecule | Name: Apical membrane antigen 1 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: ![]() |
| Molecular weight | Theoretical: 72.135734 KDa |
| Sequence | String: MRKLYCVLLL SAFEFTYMIN FGRGQNYWEH PYQNSDVYRP INEHREHPKE YEYPLHQEHT YQQEDSGEDE NTLQHAYPID HEGAEPAPQ EQNLFSSIEI VERSNYMGNP WTEYMAKYDI EEVHGSGIRV DLGEDAEVAG TQYRLPSGKC PVFGKGIIIE N SNTTFLTP ...String: MRKLYCVLLL SAFEFTYMIN FGRGQNYWEH PYQNSDVYRP INEHREHPKE YEYPLHQEHT YQQEDSGEDE NTLQHAYPID HEGAEPAPQ EQNLFSSIEI VERSNYMGNP WTEYMAKYDI EEVHGSGIRV DLGEDAEVAG TQYRLPSGKC PVFGKGIIIE N SNTTFLTP VATGNQYLKD GGFAFPPTEP LMSPMTLDEM RHFYKDNKYV KNLDELTLCS RHAGNMIPDN DKNSNYKYPA VY DDKDKKC HILYIAAQEN NGPRYCNKDE SKRNSMFCFR PAKDISFQNY TYLSKNVVDN WEKVCPRKNL QNAKFGLWVD GNC EDIPHV NEFPAIDLFE CNKLVFELSA SDQPKQYEQH LTDYEKIKEG FKNKNASMIK SAFLPTGAFK ADRYKSHGKG YNWG NYNTE TQKCEIFNVK PTCLINNSSY IATTALSHPI EVENNFPCSL YKDEIMKEIE RESKRIKLND NDDEGNKKII APRIF ISDD KDSLKCPCDP EMVSNSTCRF FVCKCVERRA EVTSNNEVVV KEEYKDEYAD IPEHKPTYDK MKIIIASSAA VAVLAT ILM VYLYKRKGNA EKYDKMDEPQ DYGKSNSRND EMLDPEASFW GEEKRASHTT PVLMEKPYY UniProtKB: Apical membrane antigen 1 |
-Experimental details
-Structure determination
| Method | cryo EM |
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Processing | single particle reconstruction |
| Aggregation state | particle |
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Sample preparation
| Buffer | pH: 7 |
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| Grid | Model: Quantifoil / Material: GOLD / Mesh: 300 / Support film - Material: CARBON / Support film - topology: HOLEY / Support film - Film thickness: 0.2 / Pretreatment - Type: GLOW DISCHARGE |
| Vitrification | Cryogen name: ETHANE |
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Electron microscopy
| Microscope | TFS KRIOS |
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| Image recording | Film or detector model: GATAN K3 BIOCONTINUUM (6k x 4k) / Average electron dose: 58.0 e/Å2 |
| Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 3.0 µm / Nominal defocus min: 1.5 µm |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
-Atomic model buiding 1
| Refinement | Protocol: AB INITIO MODEL |
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| Output model | ![]() PDB-9ygj: |
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Keywords
Authors
United States, 1 items
Citation




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FIELD EMISSION GUN
