>1sr7B (B:) SEQRES residues
gspgqdiqlipplinllmsiepdviyaghdntkpdtssslltslnqlgerqllsvvkwsk
slpgfrnlhiddqitliqyswmslmvfglgwrsykhvsgqmlyfapdlilneqrmkessf
yslcltmwqipqefvklqvsqeeflcmkvllllntipleglrsqtqfeemrssyirelik
aiglrqkgvvsssqrfyqltklldnlhdlvkqlhlyclntfiqsralsvefpemmsevia
aqlpkilagmvkpllfhkk