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Yorodumi- EMDB-17840: Cryo-EM structure of the yeast fatty acid synthase at 1.9 angstro... -
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Basic information
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| Title | Cryo-EM structure of the yeast fatty acid synthase at 1.9 angstrom resolution | |||||||||
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 Keywords | Fatty acid synthase / acyl carrier protein / FAS / ACP / CYTOSOLIC PROTEIN | |||||||||
| Function / homology |  Function and homology informationfatty-acyl-CoA synthase system / fatty acid synthase complex / fatty-acyl-CoA synthase activity / palmitoyltransferase activity / [acyl-carrier-protein] S-acetyltransferase / [acyl-carrier-protein] S-acetyltransferase activity / holo-[acyl-carrier-protein] synthase activity / enoyl-[acyl-carrier-protein] reductase (NADPH) activity / [acyl-carrier-protein] S-malonyltransferase / [acyl-carrier-protein] S-malonyltransferase activity ...fatty-acyl-CoA synthase system / fatty acid synthase complex / fatty-acyl-CoA synthase activity / palmitoyltransferase activity / [acyl-carrier-protein] S-acetyltransferase / [acyl-carrier-protein] S-acetyltransferase activity / holo-[acyl-carrier-protein] synthase activity / enoyl-[acyl-carrier-protein] reductase (NADPH) activity / [acyl-carrier-protein] S-malonyltransferase / [acyl-carrier-protein] S-malonyltransferase activity / 3-hydroxyacyl-[acyl-carrier-protein] dehydratase / (3R)-hydroxyacyl-[acyl-carrier-protein] dehydratase activity / beta-ketoacyl-[acyl-carrier-protein] synthase I / 3-oxoacyl-[acyl-carrier-protein] reductase (NADPH) activity / 3-oxoacyl-[acyl-carrier-protein] reductase / oleoyl-[acyl-carrier-protein] hydrolase / fatty acyl-[ACP] hydrolase activity / enoyl-[acyl-carrier-protein] reductase (NADH) / enoyl-[acyl-carrier-protein] reductase (NADH) activity / long-chain fatty acid biosynthetic process / fatty acid synthase activity / 3-oxoacyl-[acyl-carrier-protein] synthase activity / lipid droplet / magnesium ion binding / mitochondrion / cytoplasm / cytosol Similarity search - Function  | |||||||||
| Biological species | ![]()  | |||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 1.9 Å | |||||||||
 Authors | Singh K / Bunzel G / Graf B / Yip KM / Stark H / Chari A | |||||||||
| Funding support |   Germany, 1 items 
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 Citation |  Journal: Cell / Year: 2023Title: Reconstruction of a fatty acid synthesis cycle from acyl carrier protein and cofactor structural snapshots. Authors: Kashish Singh / Georg Bunzel / Benjamin Graf / Ka Man Yip / Meina Neumann-Schaal / Holger Stark / Ashwin Chari / ![]() Abstract: Fatty acids (FAs) play a central metabolic role in living cells as constituents of membranes, cellular energy reserves, and second messenger precursors. A 2.6 MDa FA synthase (FAS), where the ...Fatty acids (FAs) play a central metabolic role in living cells as constituents of membranes, cellular energy reserves, and second messenger precursors. A 2.6 MDa FA synthase (FAS), where the enzymatic reactions and structures are known, is responsible for FA biosynthesis in yeast. Essential in the yeast FAS catalytic cycle is the acyl carrier protein (ACP) that actively shuttles substrates, biosynthetic intermediates, and products from one active site to another. We resolve the S. cerevisiae FAS structure at 1.9 Å, elucidating cofactors and water networks involved in their recognition. Structural snapshots of ACP domains bound to various enzymatic domains allow the reconstruction of a full yeast FA biosynthesis cycle. The structural information suggests that each FAS functional unit could accommodate exogenous proteins to incorporate various enzymatic activities, and we show proof-of-concept experiments where ectopic proteins are used to modulate FAS product profiles.  | |||||||||
| History | 
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Structure visualization
| Supplemental images | 
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Downloads & links
-EMDB archive
| Map data |  emd_17840.map.gz | 623.5 MB |  EMDB map data format | |
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| Header (meta data) |  emd-17840-v30.xml emd-17840.xml | 19.9 KB 19.9 KB  | Display Display  |  EMDB header | 
| FSC (resolution estimation) |  emd_17840_fsc.xml | 19.7 KB | Display |  FSC data file | 
| Images |  emd_17840.png | 92.7 KB | ||
| Masks |  emd_17840_msk_1.map | 669.9 MB |  Mask map | |
| Filedesc metadata |  emd-17840.cif.gz | 8 KB | ||
| Others |  emd_17840_half_map_1.map.gz emd_17840_half_map_2.map.gz | 622.7 MB 622.7 MB  | ||
| Archive directory |  http://ftp.pdbj.org/pub/emdb/structures/EMD-17840 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-17840 | HTTPS FTP  | 
-Validation report
| Summary document |  emd_17840_validation.pdf.gz | 1.2 MB | Display |  EMDB validaton report | 
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| Full document |  emd_17840_full_validation.pdf.gz | 1.2 MB | Display | |
| Data in XML |  emd_17840_validation.xml.gz | 27.7 KB | Display | |
| Data in CIF |  emd_17840_validation.cif.gz | 36.7 KB | Display | |
| Arichive directory |  https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-17840 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-17840 | HTTPS FTP  | 
-Related structure data
| Related structure data | ![]() 8prwMC ![]() 8prvC ![]() 8ps1C ![]() 8ps2C ![]() 8ps8C ![]() 8ps9C ![]() 8psaC ![]() 8psfC ![]() 8psgC ![]() 8psjC ![]() 8pskC ![]() 8pslC ![]() 8psmC ![]() 8pspC M: atomic model generated by this map C: citing same article (  | 
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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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| Related items in Molecule of the Month | 
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Map
| File |  Download / File: emd_17840.map.gz / Format: CCP4 / Size: 669.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| Projections & slices | Image control
 
 Images are generated by Spider.  | ||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 0.615 Å | ||||||||||||||||||||||||||||||||||||
| Density | 
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
| Details | EMDB XML: 
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-Supplemental data
-Mask #1
| File |  emd_17840_msk_1.map | ||||||||||||
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| Density Histograms | 
-Half map: #2
| File | emd_17840_half_map_1.map | ||||||||||||
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| Projections & Slices | 
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| Density Histograms | 
-Half map: #1
| File | emd_17840_half_map_2.map | ||||||||||||
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| Projections & Slices | 
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| Density Histograms | 
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Sample components
-Entire : Yeast fatty acid synthase
| Entire | Name: Yeast fatty acid synthase | 
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| Components | 
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-Supramolecule #1: Yeast fatty acid synthase
| Supramolecule | Name: Yeast fatty acid synthase / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2 | 
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| Source (natural) | Organism: ![]()  | 
-Macromolecule #1: Fatty acid synthase subunit alpha
| Macromolecule | Name: Fatty acid synthase subunit alpha / type: protein_or_peptide / ID: 1 / Number of copies: 6 / Enantiomer: LEVO / EC number: fatty-acyl-CoA synthase system | 
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| Source (natural) | Organism: ![]()  | 
| Molecular weight | Theoretical: 207.184422 KDa | 
| Sequence | String: MKPEVEQELA HILLTELLAY QFASPVRWIE TQDVFLKDFN TERVVEIGPS PTLAGMAQRT LKNKYESYDA ALSLHREILC  YSKDAKEIY YTPDPSELAA KEEPAKEEAP APTPAASAPA PAAAAPAPVA AAAPAAAAAE IADEPVKASL LLHVLVAHKL K KSLDSIPM  ...String:  MKPEVEQELA HILLTELLAY QFASPVRWIE TQDVFLKDFN TERVVEIGPS PTLAGMAQRT LKNKYESYDA ALSLHREILC  YSKDAKEIY YTPDPSELAA KEEPAKEEAP APTPAASAPA PAAAAPAPVA AAAPAAAAAE IADEPVKASL LLHVLVAHKL K KSLDSIPM SKTIKDLVGG KSTVQNEILG DLGKEFGTTP EKPEETPLEE LAETFQDTFS GALGKQSSSL LSRLISSKMP GG FTITVAR KYLQTRWGLP SGRQDGVLLV ALSNEPAARL GSEADAKAFL DSMAQKYASI VGVDLSSAAS ASGAAGAGAA AGA AMIDAG ALEEITKDHK VLARQQLQVL ARYLKMDLDN GERKFLKEKD TVAELQAQLD YLNAELGEFF VNGVATSFSR KKAR TFDSS WNWAKQSLLS LYFEIIHGVL KNVDREVVSE AINIMNRSND ALIKFMEYHI SNTDETKGEN YQLVKTLGEQ LIENC KQVL DVDPVYKDVA KPTGPKTAID KNGNITYSEE PREKVRKLSQ YVQEMALGGP ITKESQPTIE EDLTRVYKAI SAQADK QDI SSSTRVEFEK LYSDLMKFLE SSKEIDPSQT TQLAGMDVED ALDKDSTKEV ASLPNKSTIS KTVSSTIPRE TIPFLHL RK KTPAGDWKYD RQLSSLFLDG LEKAAFNGVT FKDKYVLITG AGKGSIGAEV LQGLLQGGAK VVVTTSRFSK QVTDYYQS I YAKYGAKGST LIVVPFNQGS KQDVEALIEF IYDTEKNGGL GWDLDAIIPF AAIPEQGIEL EHIDSKSEFA HRIMLTNIL  RMMGCVKKQK SARGIETRPA QVILPMSPNH GTFGGDGMYS ESKLSLETLF NRWHSESWAN QLTVCGAIIG WTRGTGLMSA  NNIIAEGIE KMGVRTFSQK EMAFNLLGLL TPEVVELCQK SPVMADLNGG LQFVPELKEF TAKLRKELVE TSEVRKAVSI E TALEHKVV NGNSADAAYA QVEIQPRANI QLDFPELKPY KQVKQIAPAE LEGLLDLERV IVVTGFAEVG PWGSARTRWE ME AFGEFSL EGCVEMAWIM GFISYHNGNL KGRPYTGWVD SKTKEPVDDK DVKAKYETSI LEHSGIRLIE PELFNGYNPE KKE MIQEVI VEEDLEPFEA SKETAEQFKH QHGDKVDIFE IPETGEYSVK LLKGATLYIP KALRFDRLVA GQIPTGWNAK TYGI SDDII SQVDPITLFV LVSVVEAFIA SGITDPYEMY KYVHVSEVGN CSGSGMGGVS ALRGMFKDRF KDEPVQNDIL QESFI NTMS AWVNMLLISS SGPIKTPVGA CATSVESVDI GVETILSGKA RICIVGGYDD FQEEGSFEFG NMKATSNTLE EFEHGR TPA EMSRPATTTR NGFMEAQGAG IQIIMQADLA LKMGVPIYGI VAMAATATDK IGRSVPAPGK GILTTAREHH SSVKYAS PN LNMKYRKRQL VTREAQIKDW VENELEALKL EAEEIPSEDQ NEFLLERTRE IHNEAESQLR AAQQQWGNDF YKRDPRIA P LRGALATYGL TIDDLGVASF HGTSTKANDK NESATINEMM KHLGRSEGNP VIGVFQKFLT GHPKGAAGAW MMNGALQIL  NSGIIPGNRN ADNVDKILEQ FEYVLYPSKT LKTDGVRAVS ITSFGFGQKG GQAIVVHPDY LYGAITEDRY NEYVAKVSAR  EKSAYKFFH NGMIYNKLFV SKEHAPYTDE LEEDVYLDPL ARVSKDKKSG SLTFNSKNIQ SKDSYINANT IETAKMIENM T KEKVSNGG VGVDVELITS INVENDTFIE RNFTPQEIEY CSAQPSVQSS FAGTWSAKEA VFKSLGVKSL GGGAALKDIE IV RVNKNAP AVELHGNAKK AAEEAGVTDV KVSISHDDLQ AVAVAVSTKK UniProtKB: Fatty acid synthase subunit alpha  | 
-Macromolecule #2: Fatty acid synthase subunit beta
| Macromolecule | Name: Fatty acid synthase subunit beta / type: protein_or_peptide / ID: 2 / Number of copies: 6 / Enantiomer: LEVO / EC number: fatty-acyl-CoA synthase system | 
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| Source (natural) | Organism: ![]()  | 
| Molecular weight | Theoretical: 229.026406 KDa | 
| Sequence | String: MDAYSTRPLT LSHGSLEHVL LVPTASFFIA SQLQEQFNKI LPEPTEGFAA DDEPTTPAEL VGKFLGYVSS LVEPSKVGQF  DQVLNLCLT EFENCYLEGN DIHALAAKLL QENDTTLVKT KELIKNYITA RIMAKRPFDK KSNSALFRAV GEGNAQLVAI F GGQGNTDD  ...String:  MDAYSTRPLT LSHGSLEHVL LVPTASFFIA SQLQEQFNKI LPEPTEGFAA DDEPTTPAEL VGKFLGYVSS LVEPSKVGQF  DQVLNLCLT EFENCYLEGN DIHALAAKLL QENDTTLVKT KELIKNYITA RIMAKRPFDK KSNSALFRAV GEGNAQLVAI F GGQGNTDD YFEELRDLYQ TYHVLVGDLI KFSAETLSEL IRTTLDAEKV FTQGLNILEW LENPSNTPDK DYLLSIPISC PL IGVIQLA HYVVTAKLLG FTPGELRSYL KGATGHSQGL VTAVAIAETD SWESFFVSVR KAITVLFFIG VRCYEAYPNT SLP PSILED SLENNEGVPS PMLSISNLTQ EQVQDYVNKT NSHLPAGKQV EISLVNGAKN LVVSGPPQSL YGLNLTLRKA KAPS GLDQS RIPFSERKLK FSNRFLPVAS PFHSHLLVPA SDLINKDLVK NNVSFNAKDI QIPVYDTFDG SDLRVLSGSI SERIV DCII RLPVKWETTT QFKATHILDF GPGGASGLGV LTHRNKDGTG VRVIVAGTLD INPDDDYGFK QEIFDVTSNG LKKNPN WLE EYHPKLIKNK SGKIFVETKF SKLIGRPPLL VPGMTPCTVS PDFVAATTNA GYTIELAGGG YFSAAGMTAA IDSVVSQ IE KGSTFGINLI YVNPFMLQWG IPLIKELRSK GYPIQFLTIG AGVPSLEVAS EYIETLGLKY LGLKPGSIDA ISQVINIA K AHPNFPIALQ WTGGRGGGHH SFEDAHTPML QMYSKIRRHP NIMLIFGSGF GSADDTYPYL TGEWSTKFDY PPMPFDGFL  FGSRVMIAKE VKTSPDAKKC IAACTGVPDD KWEQTYKKPT GGIVTVRSEM GEPIHKIATR GVMLWKEFDE TIFNLPKNKL  VPTLEAKRD YIISRLNADF QKPWFATVNG QARDLATMTY EEVAKRLVEL MFIRSTNSWF DVTWRTFTGD FLRRVEERFT K SKTLSLIQ SYSLLDKPDE AIEKVFNAYP AAREQFLNAQ DIDHFLSMCQ NPMQKPVPFV PVLDRRFEIF FKKDSLWQSE HL EAVVDQD VQRTCILHGP VAAQFTKVID EPIKSIMDGI HDGHIKKLLH QYYGDDESKI PAVEYFGGES PVDVQSQVDS SSV SEDSAV FKATSSTDEE SWFKALAGSE INWRHASFLC SFITQDKMFV SNPIRKVFKP SQGMVVEISN GNTSSKTVVT LSEP VQGEL KPTVILKLLK ENIIQMEMIE NRTMDGKPVS LPLLYNFNPD NGFAPISEVM EDRNQRIKEM YWKLWIDEPF NLDFD PRDV IKGKDFEITA KEVYDFTHAV GNNCEDFVSR PDRTMLAPMD FAIVVGWRAI IKAIFPNTVD GDLLKLVHLS NGYKMI PGA KPLQVGDVVS TTAVIESVVN QPTGKIVDVV GTLSRNGKPV MEVTSSFFYR GNYTDFENTF QKTVEPVYQM HIKTSKD IA VLRSKEWFQL DDEDFDLLNK TLTFETETEV TFKNANIFSS VKCFGPIKVE LPTKETVEIG IVDYEAGASH GNPVVDFL K RNGSTLEQKV NLENPIPIAV LDSYTPSTNE PYARVSGDLN PIHVSRHFAS YANLPGTITH GMFSSASVRA LIENWAADS  VSSRVRGYTC QFVDMVLPNT ALKTSIQHVG MINGRKLIKF ETRNEDDVVV LTGEAEIEQP VTTFVFTGQG SQEQGMGMDL  YKTSKAAQD VWNRADNHFK DTYGFSILDI VINNPVNLTI HFGGEKGKRI RENYSAMIFE TIVDGKLKTE KIFKEINEHS T SYTFRSEK GLLSATQFTQ PALTLMEKAA FEDLKSKGLI PADATFAGH(J8W) LGEYAALASL ADVMSIESLV EVVFYRGM T MQVAVPRDEL GRSNYGMIAI NPGRVAASFS QEALQYVVER VGKRTGWLVE IVNYNVENQQ YVAAGDLRAL DTVTNVLNF  IKLQKIDIIE LQKSLSLEEV EGHLFEIIDE ASKKSAVKPR PLKLERGFAC IPLVGISVPF HSTYLMNGVK PFKSFLKKNI  IKENVKVAR LAGKYIPNLT AKPFQVTKEY FQDVYDLTGS EPIKEIIDNW EKYEQS UniProtKB: Fatty acid synthase subunit beta  | 
-Macromolecule #3: NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
| Macromolecule | Name: NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE / type: ligand / ID: 3 / Number of copies: 12 / Formula: NAP | 
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| Molecular weight | Theoretical: 743.405 Da | 
| Chemical component information | ![]() ChemComp-NAP:   | 
-Macromolecule #4: COENZYME A
| Macromolecule | Name: COENZYME A / type: ligand / ID: 4 / Number of copies: 6 / Formula: COA | 
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| Molecular weight | Theoretical: 767.534 Da | 
| Chemical component information | ![]() ChemComp-COA:   | 
-Macromolecule #5: 1-DEOXY-1-(7,8-DIMETHYL-2,4-DIOXO-3,4-DIHYDRO-2H-BENZO[G]PTERIDIN...
| Macromolecule | Name: 1-DEOXY-1-(7,8-DIMETHYL-2,4-DIOXO-3,4-DIHYDRO-2H-BENZO[G]PTERIDIN-1-ID-10(5H)-YL)-5-O-PHOSPHONATO-D-RIBITOL type: ligand / ID: 5 / Number of copies: 6 / Formula: FNR  | 
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| Molecular weight | Theoretical: 458.36 Da | 
| Chemical component information | ![]() ChemComp-FNR:   | 
-Macromolecule #6: water
| Macromolecule | Name: water / type: ligand / ID: 6 / Number of copies: 7680 / Formula: HOH | 
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| Molecular weight | Theoretical: 18.015 Da | 
| Chemical component information | ![]() ChemComp-HOH:   | 
-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: 6.5 | 
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| Vitrification | Cryogen name: ETHANE | 
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Electron microscopy
| Microscope | FEI TITAN KRIOS | 
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| Image recording | Film or detector model: FEI FALCON III (4k x 4k) / Detector mode: COUNTING / Average electron dose: 50.0 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: 25.0 µm / Nominal defocus min: 5.0 µm | 
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company  | 
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Germany, 1 items 
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Processing
FIELD EMISSION GUN


