>1a28A (A:) observed residues (from ATOM records)
qlipplinllmsiepdviyaghdntkpdtssslltslnqlgerqllsvvkwskslpgfrn
lhiddqitliqyswmslmvfglgwrsykhvsgqmlyfapdlilneqrmkessfyslcltm
wqipqefvklqvsqeeflcmkvllllntipleglrsqtqfeemrssyirelikaiglrqk
gvvsssqrfyqltklldnlhdlvkqlhlyclntfiqsralsvefpemmseviaaqlpkil
agmvkpllfhk