Target Information
Target General Information | Top | |||||
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Target ID |
T01727
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Target Name |
HUMAN la-related protein 1 (LARP1)
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Synonyms |
La ribonucleoprotein domain family member 1
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Gene Name |
LARP1
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Function |
Human protein La ribonucleoprotein domain family member 1 interacts with SARS-CoV-2 N protein with high significance, which indicates LARP1 as a potential therapeutic target.
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BioChemical Class |
LARP family
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UniProt ID | ||||||
Sequence |
MATQVEPLLPGGATLLQAEEHGGLVRKKPPPAPEGKGEPGPNDVRGGEPDGSARRPRPPC
AKPHKEGTGQQERESPRPLQLPGAEGPAISDGEEGGGEPGAGGGAAGAAGAGRRDFVEAP PPKVNPWTKNALPPVLTTVNGQSPPEHSAPAKVVRAAVPKQRKGSKVGDFGDAINWPTPG EIAHKSVQPQSHKPQPTRKLPPKKDMKEQEKGEGSDSKESPKTKSDESGEEKNGDEDCQR GGQKKKGNKHKWVPLQIDMKPEVPREKLASRPTRPPEPRHIPANRGEIKGSESATYVPVA PPTPAWQPEIKPEPAWHDQDETSSVKSDGAGGARASFRGRGRGRGRGRGRGRGGTRTHFD YQFGYRKFDGVEGPRTPKYMNNITYYFDNVSSTELYSVDQELLKDYIKRQIEYYFSVDNL ERDFFLRRKMDADGFLPITLIASFHRVQALTTDISLIFAALKDSKVVEIVDEKVRRREEP EKWPLPPIVDYSQTDFSQLLNCPEFVPRQHYQKETESAPGSPRAVTPVPTKTEEVSNLKT LPKGLSASLPDLDSENWIEVKKRPRPSPARPKKSEESRFSHLTSLPQQLPSQQLMSKDQD EQEELDFLFDEEMEQMDGRKNTFTAWSDEESDYEIDDRDVNKILIVTQTPHYMRRHPGGD RTGNHTSRAKMSAELAKVINDGLFYYEQDLWAEKFEPEYSQIKQEVENFKKVNMISREQF DTLTPEPPVDPNQEVPPGPPRFQQVPTDALANKLFGAPEPSTIARSLPTTVPESPNYRNT RTPRTPRTPQLKDSSQTSRFYPVVKEGRTLDAKMPRKRKTRHSSNPPLESHVGWVMDSRE HRPRTASISSSPSEGTPTVGSYGCTPQSLPKFQHPSHELLKENGFTQHVYHKYRRRCLNE RKRLGIGQSQEMNTLFRFWSFFLRDHFNKKMYEEFKQLALEDAKEGYRYGLECLFRYYSY GLEKKFRLDIFKDFQEETVKDYEAGQLYGLEKFWAFLKYSKAKNLDIDPKLQEYLGKFRR LEDFRVDPPMGEEGNHKRHSVVAGGGGGEGRKRCPSQSSSRPAAMISQPPTPPTGQPVRE DAKWTSQHSNTQTLGK Click to Show/Hide
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3D Structure | Click to Show 3D Structure of This Target | AlphaFold |
Cell-based Target Expression Variations | Top | |||||
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Cell-based Target Expression Variations |
Drug Binding Sites of Target | Top | |||||
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Ligand Name: 7N-Methyl-8-hydroguanosine-5'-triphosphate | Ligand Info | |||||
Structure Description | Crystal structure of LARP1-unique domain DM15 bound to m7GpppC | PDB:5V87 | ||||
Method | X-ray diffraction | Resolution | 1.69 Å | Mutation | No | [2] |
PDB Sequence |
HMQHPSHELL
803 KEGFTQHVYH814 KYRRRCLNER824 KRLGIGQSQE834 MNTLFRFWSF844 FLRDHFNKKM 854 YEEFKQLALE864 DAKEGYRYGL874 ECLFRYYSYG884 LEKKFRLDIF894 KDFQEETVKD 904 YEAGQLYGLE914 KFWAFLKYSK924 AKNLDIDPKL934 QEYLGKF
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Click to View More Binding Site Information of This Target and Ligand Pair | ||||||
Ligand Name: 7-Methyl-guanosine-5'-triphosphate-5'-guanosine | Ligand Info | |||||
Structure Description | LARP1 DM15 FYRE (F844Y, R847E) mutant bound to m7GpppG dinucleotide (capG) | PDB:6PW3 | ||||
Method | X-ray diffraction | Resolution | 2.34 Å | Mutation | Yes | [3] |
PDB Sequence |
HPSHELLKEN
806 GFTQHVYHKY816 RRRCLNERKR826 LGIGQSQEMN836 TLFRFWSYFL846 EDHFNKKMYE 856 EFKQLALEDA866 KEGYRYGLEC876 LFRYYSYGLE886 KKFRLDIFKD896 FQEETVKDYE 906 AGQLYGLEKF916 WAFLKYSKAK926 NLDIDPKLQE936 YLGKFRRLE
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Click to View More Binding Site Information of This Target with Different Ligands |
Different Human System Profiles of Target | Top |
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Human Similarity Proteins
of target is determined by comparing the sequence similarity of all human proteins with the target based on BLAST. The similarity proteins for a target are defined as the proteins with E-value < 0.005 and outside the protein families of the target.
A target that has fewer human similarity proteins outside its family is commonly regarded to possess a greater capacity to avoid undesired interactions and thus increase the possibility of finding successful drugs
(Brief Bioinform, 21: 649-662, 2020).
Human Tissue Distribution
of target is determined from a proteomics study that quantified more than 12,000 genes across 32 normal human tissues. Tissue Specificity (TS) score was used to define the enrichment of target across tissues.
The distribution of targets among different tissues or organs need to be taken into consideration when assessing the target druggability, as it is generally accepted that the wider the target distribution, the greater the concern over potential adverse effects
(Nat Rev Drug Discov, 20: 64-81, 2021).
Biological Network Descriptors
of target is determined based on a human protein-protein interactions (PPI) network consisting of 9,309 proteins and 52,713 PPIs, which were with a high confidence score of ≥ 0.95 collected from STRING database.
The network properties of targets based on protein-protein interactions (PPIs) have been widely adopted for the assessment of target’s druggability. Proteins with high node degree tend to have a high impact on network function through multiple interactions, while proteins with high betweenness centrality are regarded to be central for communication in interaction networks and regulate the flow of signaling information
(Front Pharmacol, 9, 1245, 2018;
Curr Opin Struct Biol. 44:134-142, 2017).
Human Similarity Proteins
Human Tissue Distribution
Biological Network Descriptors
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There is no similarity protein (E value < 0.005) for this target
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Note:
If a protein has TS (tissue specficity) scores at least in one tissue >= 2.5, this protein is called tissue-enriched (including tissue-enriched-but-not-specific and tissue-specific). In the plots, the vertical lines are at thresholds 2.5 and 4.
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Degree | 2 | Degree centrality | 2.15E-04 | Betweenness centrality | 4.72E-05 |
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Closeness centrality | 2.01E-01 | Radiality | 1.35E+01 | Clustering coefficient | 0.00E+00 |
Neighborhood connectivity | 4.35E+01 | Topological coefficient | 5.00E-01 | Eccentricity | 12 |
Download | Click to Download the Full PPI Network of This Target | ||||
References | Top | |||||
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REF 1 | A SARS-CoV-2 Protein Interaction Map Reveals Targets for Drug Repurposing. Nature. 2020 Apr 30. doi: 10.1038/s41586-020-2286-9. | |||||
REF 2 | La-related protein 1 (LARP1) binds the mRNA cap, blocking eIF4F assembly on TOP mRNAs. Elife. 2017 Apr 7;6:e24146. | |||||
REF 3 | Capturing the Mechanism Underlying TOP mRNA Binding to LARP1. Structure. 2019 Dec 3;27(12):1771-1781.e5. |
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