Data banks
NCBI (Protein and DNA Sequences)
Uniprot (Protein)
PDB (Protein Structures)
Alphafold Stucture Database
NDB (Nucleic Acids Structures)
BioCyc (Metabolic Pathways, Maps and Data bases)
Biochemical Pathways (Metabolic Pathways, Maps and Data bases)
UCSC Genombrowser
ENCODE Projekt im UCSC Browser
SGD (Yeast genome data base)
Gene cards
Proteinatlas: Protein expression data
Phosphosite plus: Protein modification
COSMIC: Data base about somatic mutations in cancer
cBioPortal for Cancer Genomics
Bionumbers (all numbers you are looking for)
Programs and Tools
Blast: Protein and Nucleic Acid alignment data base search
ClustalW (Program for preparation of Multiple Sequence alignments)
GeneDoc (Visualisation and Editing of Multiple Sequence Alignments)
BioEdit (Visualisation and Editing of Multiple Sequence Alignments)
MEGA: Molecular Evolutionary Genetics Analysis (Visualisation of Phylogenetic Trees)
ChimeraX Structure viewer (cool)