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Center for Computational Systems Medicine
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Protein Summary

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AS Summary

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Protein Functional Features

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Gene Isoform Structures and Expression Levels

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Protein Structures

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pLDDT Score Distribution

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Ramachandran Plot of Protein Structures

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Potential Active Site Information

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Protein Structure and Feature Comparision

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Protein-Protein Interaction

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Related Drugs

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Related Diseases

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Clinically Important Variants

Protein:CD300A

Protein Summary

check button Gene summary
Gene name: CD300A
ASpdb.0 ID: 11314
Gene
Gene symbol

CD300A

Gene ID

11314

Gene nameCD300a molecule
SynonymsCLM-8|CMRF-35-H9|CMRF-35H|CMRF35-H|CMRF35-H9|CMRF35H|CMRF35H9|IGSF12|IRC1|IRC1/IRC2|IRC2|IRp60
Cytomap

17q25.1

Type of geneprotein-coding
DescriptionCMRF35-like molecule 8CD300 antigen-like family member ACD300a antigenCMRF35H leukocyte immunoglobulin-like receptorNK inhibitory receptorimmunoglobulin superfamily member 12inhibitory receptor protein 60leukocyte membrane antigen
Modification date20240305
UniProtAcc

Q9UGN4


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneCD300A

GO:0001786

phosphatidylserine binding

22302738

GeneCD300A

GO:0008429

phosphatidylethanolamine binding

22302738

GeneCD300A

GO:0016020

membrane

10540326|16339535|21482706

GeneCD300A

GO:0032516

positive regulation of phosphoprotein phosphatase activity

16339535

GeneCD300A

GO:0033007

negative regulation of mast cell activation involved in immune response

16339535

GeneCD300A

GO:0038023

signaling receptor activity

16339535|22046970

GeneCD300A

GO:0043305

negative regulation of mast cell degranulation

16339535

GeneCD300A

GO:0043407

negative regulation of MAP kinase activity

16254138

GeneCD300A

GO:0048147

negative regulation of fibroblast proliferation

16254138

GeneCD300A

GO:0050856

regulation of T cell receptor signaling pathway

22046970

GeneCD300A

GO:0050859

negative regulation of B cell receptor signaling pathway

21482706

GeneCD300A

GO:0051134

negative regulation of NK T cell activation

10540326

GeneCD300A

GO:1902564

negative regulation of neutrophil activation

17588661

GeneCD300A

GO:1902567

negative regulation of eosinophil activation

16254138

GeneCD300A

GO:1902569

negative regulation of activation of Janus kinase activity

16254138

GeneCD300A

GO:2000417

negative regulation of eosinophil migration

16254138



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
Q9UGN4-1Q9UGN4-1_2q87_A.pdb2Q87X-ray1.7A19125

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
Q9UGN4CD300AQ9UGN4-1Q9UGN4-229918614126Deletionnonenone1313
Q9UGN4CD300AQ9UGN4-1Q9UGN4-329910314209Deletionnonenone1313
Q9UGN4CD300AQ9UGN4-1Q9UGN4-429915014126Deletionnonenone1313
Q9UGN4CD300AQ9UGN4-1Q9UGN4-4299150223258Deletionnonenone109109

check buttonMultiple sequence alignment of our canonical and alternatively spliced CD300A

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of CD300A
UniProt-idENSGENSTENSP
Q9UGN4-1ENSG00000167851.15ENST00000360141.8ENSP00000353259.3
Q9UGN4-1ENSG00000291918.1ENST00000709202.1ENSP00000517551.1
Q9UGN4-2ENSG00000167851.15ENST00000310828.9ENSP00000308188.5
Q9UGN4-2ENSG00000291918.1ENST00000709204.1ENSP00000517553.1
Q9UGN4-3ENSG00000167851.15ENST00000361933.7ENSP00000354564.3
Q9UGN4-3ENSG00000291918.1ENST00000709205.1ENSP00000517554.1
Q9UGN4-4ENSG00000167851.15ENST00000392625.7ENSP00000376401.3
Q9UGN4-4ENSG00000291918.1ENST00000709203.1ENSP00000517552.1

UniProt-idNM IDNP ID
Q9UGN4-1NM_007261.3NP_009192.2
Q9UGN4-2NM_001256841.1NP_001243770.1
Q9UGN4-4NM_001330457.1NP_001317386.1

check buttonAmino acid sequences of our canonical and alternatively spliced CD300A
accession_idProtein sequence
Q9UGN4-1MWLPWALLLLWVPGCFALSKCRTVAGPVGGSLSVQCPYEKEHRTLNKYWCRPPQIFLCDKIVETKGSAGKRNGRVSIRDSPANLSFTVTL
ENLTEEDAGTYWCGVDTPWLRDFHDPVVEVEVSVFPASTSMTPASITAAKTSTITTAFPPVSSTTLFAVGATHSASIQEETEEVVNSQLP
LLLSLLALLLLLLVGASLLAWRMFQKWIKAGDHSELSQNPKQAATQSELHYANLELLMWPLQEKPAPPREVEVEYSTVASPREELHYASV
Q9UGN4-2MWLPWALLLLWVPASTSMTPASITAAKTSTITTAFPPVSSTTLFAVGATHSASIQEETEEVVNSQLPLLLSLLALLLLLLVGASLLAWRM
FQKWIKAGDHSELSQNPKQAATQSELHYANLELLMWPLQEKPAPPREVEVEYSTVASPREELHYASVVFDSNTNRIAAQRPREEEPDSDY
Q9UGN4-3MWLPWALLLLWVPAGDHSELSQNPKQAATQSELHYANLELLMWPLQEKPAPPREVEVEYSTVASPREELHYASVVFDSNTNRIAAQRPRE
Q9UGN4-4MWLPWALLLLWVPASTSMTPASITAAKTSTITTAFPPVSSTTLFAVGATHSASIQEETEEVVNSQLPLLLSLLALLLLLLVGASLLAWRM

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
CD300A (go to UniProt):Q9UGN4

check buttonRetention analysis result of protein across 39 protein features of UniProt such as six molecule processing features, 13 region features, four site features, six amino acid modification features, two natural variation features, five experimental info features, and 3 secondary structure features. Here, because of limited space for viewing, we only show the protein feature retention information belong to the 13 regional features. All retention annotation result can be downloaded at

download page

* Minus value of BPloci means that the break pointn is located before the CDS.
- Retained protein feature among the 13 regional features.
Accession_idSubsectionStartEndFuncitonal featureSplicing information
Q9UGN4Topological domain18180Note=Extracellular;Ontology_term=ECO:0000255;evidence=ECO:0000255Type=Deletion;Start=14;End=126
Q9UGN4Topological domain18180Note=Extracellular;Ontology_term=ECO:0000255;evidence=ECO:0000255Type=Deletion;Start=14;End=209
Q9UGN4Topological domain18180Note=Extracellular;Ontology_term=ECO:0000255;evidence=ECO:0000255Type=Deletion;Start=14;End=126
Q9UGN4Transmembrane181201Note=Helical;Ontology_term=ECO:0000255;evidence=ECO:0000255Type=Deletion;Start=14;End=209
Q9UGN4Topological domain202299Note=Cytoplasmic;Ontology_term=ECO:0000255;evidence=ECO:0000255Type=Deletion;Start=14;End=209
Q9UGN4Topological domain202299Note=Cytoplasmic;Ontology_term=ECO:0000255;evidence=ECO:0000255Type=Deletion;Start=223;End=258
Q9UGN4Domain19123Note=Ig-like V-typeType=Deletion;Start=14;End=126
Q9UGN4Domain19123Note=Ig-like V-typeType=Deletion;Start=14;End=209
Q9UGN4Domain19123Note=Ig-like V-typeType=Deletion;Start=14;End=126


Gene Isoform Structures and Expression Levels for CD300A

check buttonGene structures of our canonical and alternative spliced genes of CD300A
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of CD300A

check button Expression levels of gene isoforms across GTEx.
gtex expression

check button Expression levels of gene isoforms across TCGA.
tcga expression


Protein Structures

check button PDB and CIF files of the predicted protein structures
* Here we show the 3D structure of the proteins using Mol*. AlphaFold produces a per-residue confidence score (pLDDT) between 0 and 100. Model confidence is shown from the pLDDT values per residue. pLDDT corresponds to the model’s prediction of its score on the local Distance Difference Test. It is a measure of local accuracy (from AlphfaFold website). To color code individual residues, we transformed individual PDB files into CIF format.
3D view using mol* of Q9UGN4-1
3D view using mol* of Q9UGN4-2
3D view using mol* of Q9UGN4-3
3D view using mol* of Q9UGN4-4


pLDDT Score Distribution

check button pLDDT score distribution of the predicted protein structures from AlphaFold2
* AlphaFold produces a per-residue confidence score (pLDDT) between 0 and 100.
pLDDT distribution across the protein length of Q9UGN4-1
all structure
pLDDT distribution across the protein length of Q9UGN4-3
all structure


Ramachandran Plot of Protein Structures


check button Ramachandran plot of the torsional angles - phi (φ)and psi (ψ) - of the residues (amino acids) contained in this protein peptide.
Ramachandran plot of Q9UGN4-1
all structure
Ramachandran plot of Q9UGN4-2
all structure
Ramachandran plot of Q9UGN4-3
all structure
Ramachandran plot of Q9UGN4-4
all structure

Potential Active Site Information


check button The potential binding sites of these proteins were identified using SiteMap, a module of the Schrodinger suite.
UniProt-idSite scoreSizeD scoreVolumeExposureEnclosureContactPhobicPhilicBalanceDon/AccResidues
Q9UGN4-10.966920.864172.8720.4520.6931.0240.2251.390.1620.96348,53,56,57,58,60,63,102,106,107,108,109,112,113,1
14,115,116,117
Q9UGN4-30.36940.3359.6040.8920.4310.6791.230.3443.5740.2662,3,6,7

Protein Structure and Feature Comparision


check button Protein Structure Comparision Using Template Modeling Scores (TM-score).
all structure

check button Protein Structure Comparision Visualization with mol*. between Canonical predicted structure (AF2)(orange) vs Canonical validated structure (PDB)(green)
3D view using mol* of Q9UGN4-1_Q9UGN4-1_2q87_A.pdb

check button Protein Structure Comparision Visualization with mol*. between Canonical validated structure (PDB)(orange) vs Alternative predicted structure (AF2)(green)
3D view using mol* of Q9UGN4-1_2q87_A_Q9UGN4-2.pdb
3D view using mol* of Q9UGN4-1_2q87_A_Q9UGN4-3.pdb
3D view using mol* of Q9UGN4-1_2q87_A_Q9UGN4-4.pdb

check button Protein Structure Comparision Visualization with mol*. between Canonical predicted structure (AF2)(orange) vs Alternative predicted structure (AF2)(green)
3D view using mol* of Q9UGN4-1_Q9UGN4-2.pdb
3D view using mol* of Q9UGN4-1_Q9UGN4-3.pdb
3D view using mol* of Q9UGN4-1_Q9UGN4-4.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/Q9UGN4-1_vs_Q9UGN4-2.png
all structure<
./stats/secondary_structure/figure/Q9UGN4-1_vs_Q9UGN4-3.png
all structure<
./stats/secondary_structure/figure/Q9UGN4-1_vs_Q9UGN4-4.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/Q9UGN4-1_vs_Q9UGN4-2.png
all structure<
./stats/relative_asa/Q9UGN4-1_vs_Q9UGN4-3.png
all structure<
./stats/relative_asa/Q9UGN4-1_vs_Q9UGN4-4.png
all structure<


Protein-Protein Interaction


check button Interactors from UniProt.
Accession_idSubsectionStartEndFuncitonal featureSplicing information


check button Interactors from STRING.
Gene nameInteractors


Related Drugs to CD300A


check button Drugs targeting this gene/protein.
(DrugBank)
UniProt accessionGene nameDrugBank IDDrug nameDrug groupActions

Related Diseases to CD300A


check button Previous studies relating to the alternative splicing of CD300A and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term


Clinically important variants in CD300A


check button (ClinVar, 04/20/2024)
accession_iduniprot_idgene_nameTypeVariantClinical_significance