Summary?
GeneID 2900
Symbol GRIK4
Synonyms EAA1|GRIK|GluK4|KA1
Description glutamate ionotropic receptor kainate type subunit 4
Reference MIM:600282|HGNC:HGNC:4582|Ensembl:ENSG00000149403|HPRD:02613|Vega:OTTHUMG00000048255
Gene type protein-coding
Map location 11q22.3
Pascal p-value 0.24
Fetal beta -0.79
Support LIGAND GATED ION SIGNALING
Potential synaptic genes

Gene in Data Sources
Gene set name Method of gene set Description Info
CV:PGCnp Genome-wide Association Study GWAS
PMID:cooccur High-throughput literature-search Systematic search in PubMed for genes co-occurring with SCZ keywords. A total of 3027 genes were included.
Association A combined odds ratio method (Sun et al. 2008), association studies 1 Link to SZGene
GSMA_I Genome scan meta-analysis Psr: 0.006
Literature High-throughput literature-search 与精神分裂症Co-occurance关键字s: schizophrenia,schizophrenic,schizophrenias Click to show details
GO_Annotation Mapping neuro-related keywords to Gene Ontology annotations Hits with neuro-related keywords: 7
Network Shortest path distance of core genes in the Human protein-protein interaction network Contribution to shortest path in PPI network: 31

Section I. Genetics and epigenetics annotation


Section II. Transcriptome annotation

General gene expression (GTEx)

Not available

Gene expression during devlopment (BrainCloud)

Footnote:
A total of 269 time points ploted, with n=38 fetal samples (x=1:38). Each triangle represents one time point.

Gene expression of temporal and spatial changes (BrainSpan)

Footnote:
SC: sub-cortical regions; SM: sensory-motor regions; FC: frontal cortex; and TP: temporal-parietal cortex
ST1: fetal (13 - 26 postconception weeks), ST2: early infancy to late childhood (4 months to 11 years), and ST3: adolescence to adulthood (13 - 23 years)
The bar shown representes the lower 25% and upper 25% of the expression distribution.

Top co-expressed genes in brain regions

Top 10 positively co-expressed genes
Gene Pearson's Correlation Spearman's Correlation
PCDHA13 0.87 0.88
MYO16 0.86 0.86
PCDHAC1 0.84 0.83
PCDHA1 0.83 0.85
CXXC4 0.80 0.85
GNAZ 0.79 0.84
CHN2 0.79 0.87
AC079061.1 0.79 0.88
HMGCS1 0.78 0.82
C12orf68 0.78 0.80
Top 10 negatively co-expressed genes
Gene Pearson's Correlation Spearman's Correlation
MT-CO2 -0.56 -0.62
AF347015.31 -0.56 -0.60
AF347015.33 -0.56 -0.58
AC021016.1 -0.55 -0.61
FXYD1 -0.55 -0.55
AF347015.27 -0.55 -0.57
AF347015.8 -0.54 -0.61
AF347015.2 -0.54 -0.61
MT-CYB -0.54 -0.58
S100B -0.53 -0.54

Section III. Gene Ontology annotation

Molecular function GO term Evidence Neuro keywords PubMed ID
GO:0005234 extracellular-glutamate-gated ion channel activity IEA glutamate (GO term level: 11) -
GO:0015277 kainate selective glutamate receptor activity TAS glutamate (GO term level: 8) 8263508
GO:0004872 receptor activity IEA -
GO:0005515 protein binding IEA -
GO:0005216 ion channel activity IEA -
Biological process GO term Evidence Neuro keywords PubMed ID
GO:0007268 synaptic transmission TAS neuron, Synap, Neurotransmitter (GO term level: 6) 8263508
GO:0007215 glutamate signaling pathway TAS glutamate (GO term level: 7) 8263508
GO:0006811 ion transport IEA -
Cellular component GO term Evidence Neuro keywords PubMed ID
GO:0042734 presynaptic membrane IEA neuron, axon, Synap (GO term level: 5) -
GO:0032983 kainate selective glutamate receptor complex IEA glutamate (GO term level: 10) -
GO:0045211 postsynaptic membrane IEA Synap, Neurotransmitter (GO term level: 5) -
GO:0045202 synapse IEA neuron, Synap, Neurotransmitter, Glial (GO term level: 2) -
GO:0005624 membrane fraction IEA -
GO:0005886 plasma membrane IEA -
GO:0005887 integral to plasma membrane TAS 8263508
GO:0030054 cell junction IEA -

Section V. Pathway annotation

Pathway name Pathway size # SZGR 2.0 genes in pathway Info
KEGG NEUROACTIVE LIGAND RECEPTOR INTERACTION 272 195 All SZGR 2.0 genes in this pathway
REACTOME TRANSMISSION ACROSS CHEMICAL SYNAPSES 186 155 All SZGR 2.0 genes in this pathway
REACTOME NEURONAL SYSTEM 279 221 All SZGR 2.0 genes in this pathway
REACTOME NEUROTRANSMITTER RECEPTOR BINDING AND DOWNSTREAM TRANSMISSION IN THE POSTSYNAPTIC CELL 137 110 All SZGR 2.0 genes in this pathway
REACTOME ACTIVATION OF KAINATE RECEPTORS UPON GLUTAMATE BINDING 31 23 All SZGR 2.0 genes in this pathway
REACTOME IONOTROPIC ACTIVITY OF KAINATE RECEPTORS 11 11 All SZGR 2.0 genes in this pathway
IWANAGA CARCINOGENESIS BY KRAS DN 120 81 All SZGR 2.0 genes in this pathway
YOSHIMURA MAPK8 TARGETS UP 1305 895 All SZGR 2.0 genes in this pathway
MEISSNER NPC HCP WITH H3K4ME2 491 319 All SZGR 2.0 genes in this pathway
RATTENBACHER BOUND BY CELF1 467 251 All SZGR 2.0 genes in this pathway