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Open data
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Basic information
Entry | Database: PDB / ID: 8i91 | ||||||
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Title | ACE2-SIT1 complex bound with proline | ||||||
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![]() | MEMBRANE PROTEIN / transporter | ||||||
Function / homology | ![]() proline:sodium symporter activity / L-isoleucine transmembrane transporter activity / solute:sodium symporter activity / amino-acid betaine transport / L-isoleucine import across plasma membrane / L-proline import across plasma membrane / Variant SLC6A20 contributes towards hyperglycinuria (HG) and iminoglycinuria (IG) / Variant SLC6A20 contributes towards hyperglycinuria (HG) and iminoglycinuria (IG) / proline import across plasma membrane / L-proline transmembrane transporter activity ...proline:sodium symporter activity / L-isoleucine transmembrane transporter activity / solute:sodium symporter activity / amino-acid betaine transport / L-isoleucine import across plasma membrane / L-proline import across plasma membrane / Variant SLC6A20 contributes towards hyperglycinuria (HG) and iminoglycinuria (IG) / Variant SLC6A20 contributes towards hyperglycinuria (HG) and iminoglycinuria (IG) / proline import across plasma membrane / L-proline transmembrane transporter activity / glycine import across plasma membrane / amino-acid betaine transmembrane transporter activity / glycine transport / amino acid import across plasma membrane / proline transport / amino acid transmembrane transporter activity / Amino acid transport across the plasma membrane / neutral L-amino acid transmembrane transporter activity / Na+/Cl- dependent neurotransmitter transporters / amino acid transport / positive regulation of amino acid transport / angiotensin-converting enzyme 2 / positive regulation of L-proline import across plasma membrane / Hydrolases; Acting on peptide bonds (peptidases); Metallocarboxypeptidases / angiotensin-mediated drinking behavior / tryptophan transport / regulation of systemic arterial blood pressure by renin-angiotensin / positive regulation of gap junction assembly / transport across blood-brain barrier / regulation of vasoconstriction / regulation of cardiac conduction / sodium ion transmembrane transport / peptidyl-dipeptidase activity / maternal process involved in female pregnancy / angiotensin maturation / metallocarboxypeptidase activity / Metabolism of Angiotensinogen to Angiotensins / Attachment and Entry / carboxypeptidase activity / negative regulation of signaling receptor activity / positive regulation of cardiac muscle contraction / regulation of cytokine production / viral life cycle / blood vessel diameter maintenance / brush border membrane / regulation of transmembrane transporter activity / negative regulation of smooth muscle cell proliferation / negative regulation of ERK1 and ERK2 cascade / cilium / metallopeptidase activity / endocytic vesicle membrane / positive regulation of reactive oxygen species metabolic process / virus receptor activity / regulation of cell population proliferation / regulation of inflammatory response / endopeptidase activity / Induction of Cell-Cell Fusion / Potential therapeutics for SARS / entry receptor-mediated virion attachment to host cell / receptor-mediated endocytosis of virus by host cell / Attachment and Entry / membrane fusion / receptor-mediated virion attachment to host cell / symbiont entry into host cell / membrane raft / apical plasma membrane / endoplasmic reticulum lumen / cell surface / extracellular space / zinc ion binding / extracellular exosome / extracellular region / membrane / identical protein binding / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.3 Å | ||||||
![]() | Li, Y.N. / Zhang, Y.Y. / Shen, Y.P. / Yan, R.H. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Structural insight into the substrate recognition and transport mechanism of amino acid transporter complex ACE2-BAT1 and ACE2-SIT1. Authors: Yaning Li / Yiming Chen / Yuanyuan Zhang / Yaping Shen / Kangtai Xu / Yaqi Liu / Zilong Wang / Renhong Yan / ![]() | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 492.8 KB | Display | ![]() |
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PDB format | ![]() | 395.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 2 MB | Display | ![]() |
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Full document | ![]() | 2.1 MB | Display | |
Data in XML | ![]() | 89.2 KB | Display | |
Data in CIF | ![]() | 131.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 35254MC ![]() 8i92C ![]() 8i93C M: map data used to model this data C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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Components
-Protein , 2 types, 4 molecules ACBD
#1: Protein | Mass: 95379.828 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() References: UniProt: Q9BYF1, angiotensin-converting enzyme 2, Hydrolases; Acting on peptide bonds (peptidases); Metallocarboxypeptidases #2: Protein | Mass: 68224.820 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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-Sugars , 2 types, 18 molecules ![](data/chem/img/NAG.gif)
#3: Polysaccharide | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose Source method: isolated from a genetically manipulated source #4: Sugar | ChemComp-NAG / |
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-Non-polymers , 3 types, 6 molecules ![](data/chem/img/ZN.gif)
![](data/chem/img/PRO.gif)
![](data/chem/img/CL.gif)
![](data/chem/img/PRO.gif)
![](data/chem/img/CL.gif)
#5: Chemical | #6: Chemical | #7: Chemical | |
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-Details
Has ligand of interest | Y |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
Component | Name: ACE2-SIT1 complex bound with proline / Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT |
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Source (natural) | Organism: ![]() |
Source (recombinant) | Organism: ![]() |
Buffer solution | pH: 7.4 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Specimen support | Grid material: GOLD |
Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2200 nm / Nominal defocus min: 1200 nm |
Image recording | Electron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) |
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Processing
EM software | Name: cryoSPARC / Version: v4 / Category: 3D reconstruction |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION |
3D reconstruction | Resolution: 3.3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 992519 / Symmetry type: POINT |