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Yorodumi- EMDB-44330: Human endogenous FASN with 1,3-DBP - Class 1 focused modifying wing -
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Open data
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Basic information
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| Title | Human endogenous FASN with 1,3-DBP - Class 1 focused modifying wing | |||||||||
Map data | Human endogenous FASN with 1,3-DBP - Class 1 focused modifying domain map | |||||||||
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Keywords | De novo fatty acid synthesis Fatty acid synthase / BIOSYNTHETIC PROTEIN | |||||||||
| Function / homology | Function and homology informationfatty-acid synthase system / ether lipid biosynthetic process / Vitamin B5 (pantothenate) metabolism / neutrophil differentiation / fatty-acyl-CoA biosynthetic process / enoyl-[acyl-carrier-protein] reductase (NADPH, Re-specific) / establishment of endothelial intestinal barrier / glycogen granule / [acyl-carrier-protein] S-acetyltransferase / [acyl-carrier-protein] S-acetyltransferase activity ...fatty-acid synthase system / ether lipid biosynthetic process / Vitamin B5 (pantothenate) metabolism / neutrophil differentiation / fatty-acyl-CoA biosynthetic process / enoyl-[acyl-carrier-protein] reductase (NADPH, Re-specific) / establishment of endothelial intestinal barrier / glycogen granule / [acyl-carrier-protein] S-acetyltransferase / [acyl-carrier-protein] S-acetyltransferase activity / Fatty acyl-CoA biosynthesis / host-mediated perturbation of viral process / ChREBP activates metabolic gene expression / 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 / acetyl-CoA metabolic process / NR1H2 & NR1H3 regulate gene expression linked to lipogenesis / 3-oxoacyl-[acyl-carrier-protein] reductase (NADPH) activity / 3-oxoacyl-[acyl-carrier-protein] reductase / mammary gland development / oleoyl-[acyl-carrier-protein] hydrolase / fatty acyl-[ACP] hydrolase activity / fatty acid synthase activity / monocyte differentiation / phosphopantetheine binding / 3-oxoacyl-[acyl-carrier-protein] synthase activity / response to nutrient / cellular response to interleukin-4 / Activation of gene expression by SREBF (SREBP) / fatty acid metabolic process / osteoblast differentiation / fatty acid biosynthetic process / melanosome / cadherin binding / inflammatory response / Golgi apparatus / RNA binding / extracellular exosome / identical protein binding / membrane / plasma membrane / cytoplasm / cytosol Similarity search - Function | |||||||||
| Biological species | Homo sapiens (human) | |||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 2.7 Å | |||||||||
Authors | Choi W / Li C / Chen Y / Wang Y / Cheng Y | |||||||||
| Funding support | United States, 2 items
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Citation | Journal: Nature / Year: 2025Title: Structural dynamics of human fatty acid synthase in the condensing cycle. Authors: Wooyoung Choi / Chengmin Li / Yifei Chen / YongQiang Wang / Yifan Cheng / ![]() Abstract: Long-chain fatty acids are the building blocks of fat in human bodies. In mammals, fatty acid synthase (FASN) contains multiple enzymatic domains to catalyse all chemical reactions needed for de novo ...Long-chain fatty acids are the building blocks of fat in human bodies. In mammals, fatty acid synthase (FASN) contains multiple enzymatic domains to catalyse all chemical reactions needed for de novo fatty acid synthesis. Although the chemical reactions carried out by these enzymatic domains are well defined, how the dimeric FASN with an open architecture continuously catalyses such reactions to synthesize a complete fatty acid remains elusive. Here, using a strategy of tagging and purifying endogenous FASN in HEK293T cells for single-particle cryo-electron microscopy studies, we characterized the structural dynamics of endogenous human FASN. We captured conformational snapshots of various functional substates in the condensing cycle and developed a procedure to analyse the particle distribution landscape of FASN with different orientations between its condensing and modifying wings. Together, our findings reveal that FASN function does not require a large rotational motion between its two main functional domains during the condensing cycle, and that the catalytic reactions in the condensing cycle carried out by the two monomers are unsynchronized. Our data thus provide a new composite view of FASN dynamics during the fatty acid synthesis condensing cycle. | |||||||||
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Structure visualization
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Downloads & links
-EMDB archive
| Map data | emd_44330.map.gz | 139.1 MB | EMDB map data format | |
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| Header (meta data) | emd-44330-v30.xml emd-44330.xml | 19.6 KB 19.6 KB | Display Display | EMDB header |
| Images | emd_44330.png | 68.1 KB | ||
| Filedesc metadata | emd-44330.cif.gz | 6.6 KB | ||
| Others | emd_44330_half_map_1.map.gz emd_44330_half_map_2.map.gz | 139.4 MB 139.4 MB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-44330 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-44330 | HTTPS FTP |
-Validation report
| Summary document | emd_44330_validation.pdf.gz | 728 KB | Display | EMDB validaton report |
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| Full document | emd_44330_full_validation.pdf.gz | 727.7 KB | Display | |
| Data in XML | emd_44330_validation.xml.gz | 14.5 KB | Display | |
| Data in CIF | emd_44330_validation.cif.gz | 17.1 KB | Display | |
| Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-44330 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-44330 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 9b80MC ![]() 9b7zC ![]() 9mj9C 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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| Related items in Molecule of the Month |
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Map
| File | Download / File: emd_44330.map.gz / Format: CCP4 / Size: 178 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| Annotation | Human endogenous FASN with 1,3-DBP - Class 1 focused modifying domain map | ||||||||||||||||||||||||||||||||||||
| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 0.835 Å | ||||||||||||||||||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
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-Supplemental data
-Half map: Human endogenous FASN with 1,3-DBP - Class 1...
| File | emd_44330_half_map_1.map | ||||||||||||
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| Annotation | Human endogenous FASN with 1,3-DBP - Class 1 focused modifying domain half map 1 | ||||||||||||
| Projections & Slices |
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| Density Histograms |
-Half map: Human endogenous FASN with 1,3-DBP - Class 1...
| File | emd_44330_half_map_2.map | ||||||||||||
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| Annotation | Human endogenous FASN with 1,3-DBP - Class 1 focused modifying domain half map 2 | ||||||||||||
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| Density Histograms |
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Sample components
-Entire : Human endogenous FASN with 1,3-DBP
| Entire | Name: Human endogenous FASN with 1,3-DBP |
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| Components |
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-Supramolecule #1: Human endogenous FASN with 1,3-DBP
| Supramolecule | Name: Human endogenous FASN with 1,3-DBP / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all |
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| Source (natural) | Organism: Homo sapiens (human) |
-Macromolecule #1: Fatty acid synthase
| Macromolecule | Name: Fatty acid synthase / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO / EC number: fatty-acid synthase system |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 181.078312 KDa |
| Sequence | String: PSAAIYNIDT SSESPDHYLV DHTLDGRVLF PATGYLSIVW KTLARALGLG VEQLPVVFED VVLHQATILP KTGTVSLEVR LLEASRAFE VSENGNLVVS GKVYQWDDPD PRLFDHPESP TPNPTEPLFL AQAEVYKELR LRGYDYGPHF QGILEASLEG D SGRLLWKD ...String: PSAAIYNIDT SSESPDHYLV DHTLDGRVLF PATGYLSIVW KTLARALGLG VEQLPVVFED VVLHQATILP KTGTVSLEVR LLEASRAFE VSENGNLVVS GKVYQWDDPD PRLFDHPESP TPNPTEPLFL AQAEVYKELR LRGYDYGPHF QGILEASLEG D SGRLLWKD NWVSFMDTML QMSILGSAKH GLYLPTRVTA IHIDPATHRQ KLYTLQDKAQ VADVVVSRWL RVTVAGGVHI SG LHTESAP RRQQEQQVPI LEKFCFTPHT EEGCLSERAA LQEELQLCKG LVQALQTKVT QQGLKMVVPG LDGAQIPRDP SQQ ELPRLL SAACRLQLNG NLQLELAQVL AQERPKLPED PLLSGLLDSP ALKACLDTAV ENMPSLKMKV VEVLAGHGHL YSRI PGLLS PHPLLQLSYT ATDRHPQALE AAQAELQQHD VAQGQWDPAD PAPSALGSAD LLVCNCAVAA LGDPASALSN MVAAL REGG FLLLHTLLRG HPLGDIVAFL TSTEPQYGQG ILSQDAWESL FSRVSLRLVG LKKSFYGSTL FLCRRPTPQD SPIFLP VDD TSFRWVESLK GILADEDSSR PVWLKAINCA TSGVVGLVNC LRREPGGNRL RCVLLSNLSS TSHVPEVDPG SAELQKV LQ GDLVMNVYRD GAWGAFRHFL LEEDKPEEPT AHAFVSTLTR GDLSSIRWVC SSLRHAQPTC PGAQLCTVYY ASLNFRDI M LATGKLSPDA IPGKWTSQDS LLGMEFSGRD ASGKRVMGLV PAKGLATSVL LSPDFLWDVP SNWTLEEAAS VPVVYSTAY YALVVRGRVR PGETLLIHSG SGGVGQAAIA IALSLGCRVF TTVGSAEKRA YLQARFPQLD STSFANSRDT SFEQHVLWHT GGKGVDLVL NSLAEEKLQA SVRCLATHGR FLEIGKFDLS QNHPLGMAIF LKNVTFHGVL LDAFFNESSA DWREVWALVQ A GIRDGVVR PLKCTVFHGA QVEDAFRYMA QGKHIGKVVV QVLAEEPEAV LKGAKPKLMS AISKTFCPAH KSYIIAGGLG GF GLELAQW LIQRGVQKLV LTSRSGIRTG YQAKQVRRWR RQGVQVQVST SNISSLEGAR GLIAEAAQLG PVGGVFNLAV VLR DGLLEN QTPEFFQDVC KPKYSGTLNL DRVTREACPE LDYFVVFSSV SCGRGNAGQS NYGFANSAME RICEKRRHEG LPGL AVQWG AIGDVGILVE TMSTNDTIVS GTLPQRMASC LEVLDLFLNQ PHMVLSSFVL AEKAAAYRDR DSQRDLVEAV AHILG IRDL AAVNLDSSLA DLGLDSLMSV EVRQTLEREL NLVLSVREVR QLTLRKLQEL SSKADEASEL ACPTPKEDGL AQQQTQ LNL RSLLVNPEGP TLMRLNSVQS SERPLFLVHP IEGSTTVFHS LASRLSIPTY GLQCTRAAPL DSIHSLAAYY IDCIRQV QP EGPYRVAGYS YGACVAFEMC SQLQAQQSPA PTHNSLFLFD GSPTYVLAYT QSYRAKLTPG CEAEAETEAI CFFVQQFT D MEHNRVLEAL LPLKGLEERV AAAVDLIIKS HQGLDRQELS FAARSFYYKL RAAEQYTPKA KYHGNVMLLR AKTGGAYGE DLGADYNLSQ VCDGKVSVHV IEGDHRTLLE GSGLESIISI IHSSLAEPRV SVREG UniProtKB: Fatty acid synthase |
-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: 8 |
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| 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 (6k x 4k) / Average electron dose: 45.8 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: 1.5 µm / Nominal defocus min: 0.8 µm |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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About Yorodumi



Keywords
Homo sapiens (human)
Authors
United States, 2 items
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Processing
FIELD EMISSION GUN
