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Gene: S100A9 (S100 calcium binding protein A9) Homo sapiens
Symbol: S100A9
Name: S100 calcium binding protein A9
Description: Predicted to have several functions, including arachidonic acid binding activity; metal ion binding activity; and signaling receptor binding activity. Involved in several processes, including leukocyte migration; neutrophil aggregation; and positive regulation of apoptotic process. Localizes to several cellular components, including the cell junction; extracellular space; and nucleoplasm. Implicated in myocarditis. Biomarker of urinary bladder cancer.
Type: protein-coding
RefSeq Status: REVIEWED
Also known as: 60B8AG; CAGB; calgranulin B; calgranulin-B; calprotectin L1H subunit; CFAG; CGLB; L1AG; leukocyte L1 complex heavy chain; LIAG; MAC387; MIF; migration inhibitory factor-related protein 14; MRP-14; MRP14; NIF; P14; protein S100-A9; s100 calcium binding protein a9 (calgranulin b); S100 calcium-binding protein A9 (calgranulin B)
Mus musculus (house mouse) : S100a9 (S100 calcium binding protein A9 (calgranulin B))  MGI  Alliance
Rattus norvegicus (Norway rat) : S100a9 (S100 calcium binding protein A9)  Alliance
Chinchilla lanigera (long-tailed chinchilla) : S100a9 (S100 calcium binding protein A9)
Pan paniscus (bonobo/pygmy chimpanzee) : S100A9 (S100 calcium binding protein A9)
Canis lupus familiaris (dog) : S100A9 (S100 calcium binding protein A9)
Ictidomys tridecemlineatus (thirteen-lined ground squirrel) : S100a9 (S100 calcium binding protein A9)
Sus scrofa (pig) : S100A9 (S100 calcium binding protein A9)
Chlorocebus sabaeus (African green monkey) : S100A9 (S100 calcium binding protein A9)
Heterocephalus glaber (naked mole-rat) : S100a9 (S100 calcium binding protein A9)
more info ...
Allele / Splice: See ClinVar data
Latest Assembly: GRCh38 - Human Genome Assembly GRCh38
Human AssemblyChrPosition (strand)SourceGenome Browsers
GRCh38 Ensembl1153,357,854 - 153,361,023 (+)EnsemblGRCh38hg38GRCh38
GRCh381153,357,854 - 153,361,023 (+)NCBIGRCh38GRCh38hg38GRCh38
GRCh371153,330,330 - 153,333,503 (+)NCBIGRCh37GRCh37hg19GRCh37
Build 361151,596,954 - 151,600,127 (+)NCBINCBI36hg18NCBI36
Build 341150,143,402 - 150,146,572NCBI
Celera1126,401,585 - 126,404,758 (+)NCBI
Cytogenetic Map1q21.3NCBI
HuRef1124,693,742 - 124,696,915 (+)NCBIHuRef
CHM1_11154,726,043 - 154,729,216 (+)NCBICHM1_1
JBrowse: View Region in Genome Browser (JBrowse)

Disease Annotations
Gene-Chemical Interaction Annotations
Gene Ontology Annotations
References - curated
References - uncurated


Comparative Map Data
Position Markers
miRNA Target Status


RNA-SEQ Expression


Nucleotide Sequences
Protein Sequences
Clinical Variants

Additional Information

External Database Links
More on S100A9
Alliance Gene
Ensembl Gene
JBrowse: hg19 hg38
HGNC Report
NCBI Genome Data Viewer

RGD Object Information
RGD ID: 1352981
Created: 2005-03-08
Species: Homo sapiens
Last Modified: 2020-03-24
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.