original_query: What was the reason for the rejection of Ledley's grant request by the National Institutes of Health?
query: What was the reason for the rejection of Ledley's grant request by the National Institutes of Health for establishing a computation center to automate Frederick Sanger's process of determining the amino acid sequence of proteins?
answer: The provided text doesn't explicitly state the reason for the NIH's rejection of Ledley's grant request, only that it was rejected and that the university also balked at installing and supporting the computers.