
-   GeneCards (human): [https://www.genecards.org/cgi-bin/carddisp.pl?gene=SPP1](https://www.genecards.org/cgi-bin/carddisp.pl?gene=SPP1)
-   Harmonizome (human): [https://maayanlab.cloud/Harmonizome/gene/SPP1](https://maayanlab.cloud/Harmonizome/gene/SPP1)
-   NCBI (human): [https://www.ncbi.nlm.nih.gov/gene/6696](https://www.ncbi.nlm.nih.gov/gene/6696)
-   NCBI (rat): [https://www.ncbi.nlm.nih.gov/gene/25353](https://www.ncbi.nlm.nih.gov/gene/25353)
-   Ensemble (human): [https://useast.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000118785](https://useast.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000118785)
-   Ensemble (rat): [https://useast.ensembl.org/Rattus_norvegicus/Gene/Summary?g=ENSRNOG00000043451](https://useast.ensembl.org/Rattus_norvegicus/Gene/Summary?g=ENSRNOG00000043451)
-   Rat Genome Database (rat): [https://rgd.mcw.edu/rgdweb/report/gene/main.html?id=3752](https://rgd.mcw.edu/rgdweb/report/gene/main.html?id=3752)
-   Uniprot (human): [https://www.uniprot.org/uniprotkb/P10451](https://www.uniprot.org/uniprotkb/P10451)
-   Uniprot (rat): [https://www.uniprot.org/uniprotkb/P08721](https://www.uniprot.org/uniprotkb/P08721)
-   Wikigenes (human): [https://www.wikigenes.org/e/gene/e/6696.html](https://www.wikigenes.org/e/gene/e/6696.html)
-   Wikigenes (rat): [https://www.wikigenes.org/e/gene/e/25353.html](https://www.wikigenes.org/e/gene/e/25353.html)
-   Alphafold (human): [https://alphafold.ebi.ac.uk/entry/Q9BX95](https://alphafold.ebi.ac.uk/entry/Q9BX95)
-   Alphafold (rat): [https://alphafold.ebi.ac.uk/entry/P08721](https://alphafold.ebi.ac.uk/entry/P08721)
-   PDB (human): none
-   PDB (mouse): none
-   PDB (rat): none
