Chains and heterogens:
PDB Chain Sequences:
>4a2jA (A:) gshmgqdiqlipplinllmsiepdviyaghdntkpdtssslltslnqlgerqllsvvkws kslpgfrnlhiddqitliqyswmslmvfglgwrsykhvsgqmlyfapdlilneqrmkess fyslcltmwqipqefvklqvsqeeflcmkvllllntipleglrsqtqfeemrssyireli kaiglrqkgvvsssqrfyqltklldnlhdlvkqlhlyclntfiqsralsvefpemmsevi aaqlpkilagmvkpllfhkk
>4a2jA (A:) lipplinllmsiepdviyaghdntkpdtssslltslnqlgerqllsvvkwskslpgfrnl hiddqitliqyswmslmvfglgwrsykhvsgqmlyfapdlilneqrmkessfyslcltmw qipqefvklqvsqeeflcmkvllllntipleglrsqtqfeemrssyirelikaiglrqkg vvsssqrfyqltklldnlhdlvkqlhlyclntfiqsralsvefpemmseviaaqlpkila gmvkpllfhk
>4a2jB (B:) gshmgqdiqlipplinllmsiepdviyaghdntkpdtssslltslnqlgerqllsvvkws kslpgfrnlhiddqitliqyswmslmvfglgwrsykhvsgqmlyfapdlilneqrmkess fyslcltmwqipqefvklqvsqeeflcmkvllllntipleglrsqtqfeemrssyireli kaiglrqkgvvsssqrfyqltklldnlhdlvkqlhlyclntfiqsralsvefpemmsevi aaqlpkilagmvkpllfhkk
>4a2jB (B:) lipplinllmsiepdviyaghdntkpdtssslltslnqlgerqllsvvkwskslpgfrnl hiddqitliqyswmslmvfglgwrsykhvsgqmlyfapdlilneqrmkessfyslcltmw qipqefvklqvsqeeflcmkvllllntipleglrsqtqfeemrssyirelikaiglrqkg vvsssqrfyqltklldnlhdlvkqlhlyclntfiqsralsvefpemmseviaaqlpkila gmvkpllfhk