Enormous nucleotide conservation at CALR promoter rs138452745 across evolution, except in the human species.
BEND3 binds to the rs138452745 human-specific C-allele.
NF1A, B, C, and X bind to the rs138452745 ancestral A-allele.
Binding of BEND3 and removal of NFI binding to the rs138452745 C-allele may be linked with human-specific brain functions.