NCBI Gene is a good starting place for using the NCBI Databases to find information on genes or genetic disorders.
Go to the free NCBI Gene Database (https://www.ncbi.nlm.nih.gov/gene/) and search by gene or disorder name. You can also use the dropdown menu to switch to a different NCBI database to find bioinformatics information, for example nucleotide or protein sequences.
Hint: Be careful that you choose the correct record. There will often be many entries for a given gene or disorder for different organisms.
In the Gene record, you can a lot of bioinformatics information. Some highlights include: