
-   GeneCards (human): [https://www.genecards.org/cgi-bin/carddisp.pl?gene=CD44](https://www.genecards.org/cgi-bin/carddisp.pl?gene=CD44)
-   Harmonizome (human): [https://maayanlab.cloud/Harmonizome/gene/CD44](https://maayanlab.cloud/Harmonizome/gene/CD44)
-   NCBI (human): [https://www.ncbi.nlm.nih.gov/gene/960](https://www.ncbi.nlm.nih.gov/gene/960)
-   NCBI (rat): [https://www.ncbi.nlm.nih.gov/gene/25406](https://www.ncbi.nlm.nih.gov/gene/25406)
-   Ensemble (human): [https://useast.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000026508](https://useast.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000026508)
-   Ensemble (rat): [https://useast.ensembl.org/Rattus_norvegicus/Gene/Summary?g=ENSRNOG00000006094](https://useast.ensembl.org/Rattus_norvegicus/Gene/Summary?g=ENSRNOG00000006094)
-   Rat Genome Database (rat): [https://rgd.mcw.edu/rgdweb/report/gene/main.html?id=2307](https://rgd.mcw.edu/rgdweb/report/gene/main.html?id=2307)
-   Uniprot (human): [https://www.uniprot.org/uniprotkb/P16070](https://www.uniprot.org/uniprotkb/P16070)
-   Uniprot (rat): [https://www.uniprot.org/uniprotkb/P26051](https://www.uniprot.org/uniprotkb/P26051)
-   Wikigenes (human): [https://www.wikigenes.org/e/gene/e/960.html](https://www.wikigenes.org/e/gene/e/960.html)
-   Wikigenes (rat): [https://www.wikigenes.org/e/gene/e/25406.html](https://www.wikigenes.org/e/gene/e/25406.html)
-   Alphafold (human): [https://alphafold.ebi.ac.uk/entry/P16070](https://alphafold.ebi.ac.uk/entry/P16070)
-   Alphafold (rat): [https://alphafold.ebi.ac.uk/entry/P26051](https://alphafold.ebi.ac.uk/entry/P26051)
-   PDB (human): [https://www.rcsb.org/structure/1POZ](https://www.rcsb.org/structure/1POZ), [https://www.rcsb.org/structure/1UUH](https://www.rcsb.org/structure/1UUH), [https://www.rcsb.org/structure/2I83](https://www.rcsb.org/structure/2I83), [https://www.rcsb.org/structure/6TXS](https://www.rcsb.org/structure/6TXS)
-   PDB (mouse): [https://www.rcsb.org/structure/2JCP](https://www.rcsb.org/structure/2JCP), [https://www.rcsb.org/structure/2JCQ](https://www.rcsb.org/structure/2JCQ), [https://www.rcsb.org/structure/2JCR](https://www.rcsb.org/structure/2JCR), [https://www.rcsb.org/structure/2ZPY](https://www.rcsb.org/structure/2ZPY), [https://www.rcsb.org/structure/4MRD](https://www.rcsb.org/structure/4MRD), [https://www.rcsb.org/structure/4MRE](https://www.rcsb.org/structure/4MRE), [https://www.rcsb.org/structure/4MRF](https://www.rcsb.org/structure/4MRF), [https://www.rcsb.org/structure/4MRG](https://www.rcsb.org/structure/4MRG), [https://www.rcsb.org/structure/4MRH](https://www.rcsb.org/structure/4MRH), [https://www.rcsb.org/structure/4NP2](https://www.rcsb.org/structure/4NP2), [https://www.rcsb.org/structure/4NP3](https://www.rcsb.org/structure/4NP3), [https://www.rcsb.org/structure/5BZE](https://www.rcsb.org/structure/5BZE), [https://www.rcsb.org/structure/5SBK](https://www.rcsb.org/structure/5SBK), [https://www.rcsb.org/structure/5SBL](https://www.rcsb.org/structure/5SBL), [https://www.rcsb.org/structure/5SBM](https://www.rcsb.org/structure/5SBM), [https://www.rcsb.org/structure/5SBN](https://www.rcsb.org/structure/5SBN), [https://www.rcsb.org/structure/5SBO](https://www.rcsb.org/structure/5SBO), [https://www.rcsb.org/structure/5SBP](https://www.rcsb.org/structure/5SBP), [https://www.rcsb.org/structure/5SBQ](https://www.rcsb.org/structure/5SBQ), [https://www.rcsb.org/structure/5SBR](https://www.rcsb.org/structure/5SBR), [https://www.rcsb.org/structure/5SBS](https://www.rcsb.org/structure/5SBS), [https://www.rcsb.org/structure/5SBT](https://www.rcsb.org/structure/5SBT), [https://www.rcsb.org/structure/5SBU](https://www.rcsb.org/structure/5SBU), [https://www.rcsb.org/structure/5SBV](https://www.rcsb.org/structure/5SBV), [https://www.rcsb.org/structure/5SBW](https://www.rcsb.org/structure/5SBW), [https://www.rcsb.org/structure/5SBX](https://www.rcsb.org/structure/5SBX), [https://www.rcsb.org/structure/5SBY](https://www.rcsb.org/structure/5SBY), [https://www.rcsb.org/structure/5SBZ](https://www.rcsb.org/structure/5SBZ), [https://www.rcsb.org/structure/5SC0](https://www.rcsb.org/structure/5SC0), [https://www.rcsb.org/structure/5SC1](https://www.rcsb.org/structure/5SC1), [https://www.rcsb.org/structure/5SC2](https://www.rcsb.org/structure/5SC2), [https://www.rcsb.org/structure/5SC3](https://www.rcsb.org/structure/5SC3), [https://www.rcsb.org/structure/5SC4](https://www.rcsb.org/structure/5SC4), [https://www.rcsb.org/structure/5SC5](https://www.rcsb.org/structure/5SC5), [https://www.rcsb.org/structure/5SC6](https://www.rcsb.org/structure/5SC6), [https://www.rcsb.org/structure/5SC7](https://www.rcsb.org/structure/5SC7)
-   PDB (rat): none
