CENP-S FANCM-associated histone fold protein 1 APITD1-CORT readthrough FANCM-interacting histone fold protein 1 APITD1-CORT protein MHF1 FAAP16 Centromere protein S APITD1 Apoptosis-inducing TAF9-like domain-containing protein 1 APITD1-CORT CENPS Fanconi anemia-associated polypeptide of 16 kDa