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- EMDB-15024: Structure of the human sodium/bile acid cotransporter (NTCP) in c... -
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Open data
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Basic information
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Title | Structure of the human sodium/bile acid cotransporter (NTCP) in complex with Fab and nanobody | |||||||||
![]() | Nanodisc-reconstituted human NTCP in a complex with NTCP_Fab12 and a nanobody in the presence of substrate. | |||||||||
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Function / homology | ![]() bile acid:sodium symporter activity / regulation of bile acid secretion / bile acid and bile salt transport / bile acid signaling pathway / Recycling of bile acids and salts / response to nutrient levels / response to organic cyclic compound / response to estrogen / cellular response to xenobiotic stimulus / virus receptor activity ...bile acid:sodium symporter activity / regulation of bile acid secretion / bile acid and bile salt transport / bile acid signaling pathway / Recycling of bile acids and salts / response to nutrient levels / response to organic cyclic compound / response to estrogen / cellular response to xenobiotic stimulus / virus receptor activity / basolateral plasma membrane / response to ethanol / plasma membrane Similarity search - Function | |||||||||
Biological species | ![]() ![]() ![]() ![]() ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 2.88 Å | |||||||||
![]() | Liu H / Irobalieva RN / Bang-Sorensen R / Nosol K / Mukherjee S / Agrawal P / Stieger B / Kossiakoff AA / Locher KP | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Structure of human NTCP reveals the basis of recognition and sodium-driven transport of bile salts into the liver. Authors: Hongtao Liu / Rossitza N Irobalieva / Rose Bang-Sørensen / Kamil Nosol / Somnath Mukherjee / Parth Agrawal / Bruno Stieger / Anthony A Kossiakoff / Kaspar P Locher / ![]() ![]() | |||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 201.9 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 20.1 KB 20.1 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 13.7 KB | Display | ![]() |
Images | ![]() | 91.5 KB | ||
Others | ![]() ![]() | 171.4 MB 171.4 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 824.6 KB | Display | ![]() |
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Full document | ![]() | 824.2 KB | Display | |
Data in XML | ![]() | 20.9 KB | Display | |
Data in CIF | ![]() | 27.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 7zyiMC M: atomic model generated by this map C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
File | ![]() | ||||||||||||||||||||||||||||||||||||
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Annotation | Nanodisc-reconstituted human NTCP in a complex with NTCP_Fab12 and a nanobody in the presence of substrate. | ||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.66 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: #2
File | emd_15024_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #1
File | emd_15024_half_map_2.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
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Sample components
-Entire : sodium/bile acid cotransporter (NTCP) in complex with Fab and nanobody
Entire | Name: sodium/bile acid cotransporter (NTCP) in complex with Fab and nanobody |
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Components |
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-Supramolecule #1: sodium/bile acid cotransporter (NTCP) in complex with Fab and nanobody
Supramolecule | Name: sodium/bile acid cotransporter (NTCP) in complex with Fab and nanobody type: complex / Chimera: Yes / ID: 1 / Parent: 0 / Macromolecule list: #1-#4 |
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Source (natural) | Organism: ![]() |
Recombinant expression | Organism: ![]() |
Molecular weight | Theoretical: 110 KDa |
-Macromolecule #1: Sodium/bile acid cotransporter
Macromolecule | Name: Sodium/bile acid cotransporter / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 38.149949 KDa |
Recombinant expression | Organism: ![]() |
Sequence | String: MEAHNASAPF NFTLPPNFGK RPTDLALSVI LVFMLFFIML SLGCTMEFSK IKAHLWKPKG LAIALVAQYG IMPLTAFVLG KVFRLKNIE ALAILVCGCS PGGNLSNVFS LAMKGDMNLS IVMTTCSTFC ALGMMPLLLY IYSRGIYDGD LKDKVPYKGI V ISLVLVLI ...String: MEAHNASAPF NFTLPPNFGK RPTDLALSVI LVFMLFFIML SLGCTMEFSK IKAHLWKPKG LAIALVAQYG IMPLTAFVLG KVFRLKNIE ALAILVCGCS PGGNLSNVFS LAMKGDMNLS IVMTTCSTFC ALGMMPLLLY IYSRGIYDGD LKDKVPYKGI V ISLVLVLI PCTIGIVLKS KRPQYMRYVI KGGMIIILLC SVAVTVLSAI NVGKSIMFAM TPLLIATSSL MPFIGFLLGY VL SALFCLN GRCRRTVSME TGCQNVQLCS TILNVAFPPE VIGPLFFFPL LYMIFQLGEG LLLIAIFWCY EKFKTPKDKT KMI YTAATT EETIPGALGN GTYKGEDCSP CTA |
-Macromolecule #2: heavy chain of Fab
Macromolecule | Name: heavy chain of Fab / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 25.582521 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: EISEVQLVES GGGLVQPGGS LRLSCAASGF NVSYSSIHWV RQAPGKGLEW VASISSSYGY TSYADSVKGR FTISADTSKN TAYLQMNSL RAEDTAVYYC ARYMKQQSQM WYQRYWGFDY WGQGTLVTVS SASTKGPSVF PLAPSSKSTS GGTAALGCLV K DYFPEPVT ...String: EISEVQLVES GGGLVQPGGS LRLSCAASGF NVSYSSIHWV RQAPGKGLEW VASISSSYGY TSYADSVKGR FTISADTSKN TAYLQMNSL RAEDTAVYYC ARYMKQQSQM WYQRYWGFDY WGQGTLVTVS SASTKGPSVF PLAPSSKSTS GGTAALGCLV K DYFPEPVT VSWNSGALTS GVHTFPAVLQ SSGLYSLSSV VTVPSSSLGT QTYICNVNHK PSNTKVDKKV EPKSCDKTHT |
-Macromolecule #3: light chain of Fab
Macromolecule | Name: light chain of Fab / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 23.417971 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: SDIQMTQSPS SLSASVGDRV TITCRASQSV SSAVAWYQQK PGKAPKLLIY SASSLYSGVP SRFSGSRSGT DFTLTISSLQ PEDFATYYC QQSYWSPITF GQGTKVEIKR TVAAPSVFIF PPSDSQLKSG TASVVCLLNN FYPREAKVQW KVDNALQSGN S QESVTEQD ...String: SDIQMTQSPS SLSASVGDRV TITCRASQSV SSAVAWYQQK PGKAPKLLIY SASSLYSGVP SRFSGSRSGT DFTLTISSLQ PEDFATYYC QQSYWSPITF GQGTKVEIKR TVAAPSVFIF PPSDSQLKSG TASVVCLLNN FYPREAKVQW KVDNALQSGN S QESVTEQD SKDSTYSLSS TLTLSKADYE KHKVYACEVT HQGLSSPVTK SFNRGEC |
-Macromolecule #4: Nanobody
Macromolecule | Name: Nanobody / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 13.118386 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: VQLQESGGGL VQPGGSLRLS CAASGRTISR YAMSWFRQAP GKEREFVAVA RRSGDGAFYA DSVQGRFTVS RDDAKNTVYL QMNSLKPED TAVYYCAIDS DTFYSGSYDY WGQGTQVTVS S |
-Macromolecule #5: CHOLESTEROL
Macromolecule | Name: CHOLESTEROL / type: ligand / ID: 5 / Number of copies: 2 / Formula: CLR |
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Molecular weight | Theoretical: 386.654 Da |
Chemical component information | ![]() ChemComp-CLR: |
-Macromolecule #6: GLYCOCHENODEOXYCHOLIC ACID
Macromolecule | Name: GLYCOCHENODEOXYCHOLIC ACID / type: ligand / ID: 6 / Number of copies: 2 / Formula: CHO |
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Molecular weight | Theoretical: 449.623 Da |
Chemical component information | ![]() ChemComp-CHO: |
-Macromolecule #7: SODIUM ION
Macromolecule | Name: SODIUM ION / type: ligand / ID: 7 / Number of copies: 2 |
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Molecular weight | Theoretical: 22.99 Da |
-Macromolecule #8: water
Macromolecule | Name: water / type: ligand / ID: 8 / Number of copies: 1 / 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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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Buffer | pH: 7.4 |
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Grid | Model: Quantifoil R1.2/1.3 / Material: COPPER / Mesh: 300 |
Vitrification | Cryogen name: ETHANE-PROPANE / Chamber humidity: 100 % / Instrument: FEI VITROBOT MARK IV |
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Electron microscopy
Microscope | TFS KRIOS |
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Image recording | Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Number grids imaged: 1 / Number real images: 13208 / Average exposure time: 2.0 sec. / Average electron dose: 64.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.4 µm / Nominal defocus min: 0.6 µm |
Sample stage | Cooling holder cryogen: NITROGEN |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |