keratin, type 1 cuticular Ha1; Hair keratin, type 1 Ha1; keratin-31; K31 (KRT31, HHA1, HKA1, KRTHA1)

Structure

belongs to the intermediate filament family

Expression

• present in scalp but not in hairless skin
• abundantly expressed in the differentiating cortex of growing (anagen) hair
• expression is restricted to the keratinocytes of the hair cortex & is absent from inner root sheath & medulla

More general terms

• acidic hair keratin; hair keratin type 1

Database

• Entrez gene: http://www.ncbi.nlm.nih.gov/sites/entrez?db=gene&cmd=Retrieve&dopt=Graphics&list_uids=3881
• Kegg: http://www.genome.jp/dbget-bin/www_bget?hsa:3881
• OMIM: https://mirror.omim.org/entry/601077
• UniProt: http://www.uniprot.org/uniprot/Q15323.html