Chains and heterogens:
PDB Chain Sequences:
>2rfnA (A:) mqntvhidlsalnpelvqavqhvvigpsslivhfnevigrghfgcvyhgtlldndgkkih cavkslnritdigevsqfltegiimkdfshpnvlsllgiclrsegsplvvlpymkhgdlr nfirnethnptvkdligfglqvakgmkylaskkfvhrdlaarncmldekftvkvadfgla rdmydkeyysvhnktgaklpvkwmaleslqtqkfttksdvwsfgvllwelmtrgappypd vntfditvyllqgrrllqpeycpdplyevmlkcwhpkaemrpsfselvsrisaifstfig ehyvhhhhhh
>2rfnA (A:) alnpelvqavqhvvigpsslivhfnevifgcvyhgtlldndgkkihcavkslnritdige vsqfltegiimkdfshpnvlsllgiclrsegsplvvlpymkhgdlrnfirnethnptvkd ligfglqvakgmkylaskkfvhrdlaarncmldekftvkvadpvkwmaleslqtqkfttk sdvwsfgvllwelmtrgappypdvntfditvyllqgrrllqpeycpdplyevmlkcwhpk aemrpsfselvsrisaifstfigehyvh
>2rfnB (B:) mqntvhidlsalnpelvqavqhvvigpsslivhfnevigrghfgcvyhgtlldndgkkih cavkslnritdigevsqfltegiimkdfshpnvlsllgiclrsegsplvvlpymkhgdlr nfirnethnptvkdligfglqvakgmkylaskkfvhrdlaarncmldekftvkvadfgla rdmydkeyysvhnktgaklpvkwmaleslqtqkfttksdvwsfgvllwelmtrgappypd vntfditvyllqgrrllqpeycpdplyevmlkcwhpkaemrpsfselvsrisaifstfig ehyvhhhhhh
>2rfnB (B:) salnpelvqavqhvvigpsslivhfnevifgcvyhgtlldndgkkihcavkslnritdig evsqfltegiimkdfshpnvlsllgiclrsegsplvvlpymkhgdlrnfirnethnptvk dligfglqvakgmkylaskkfvhrdlaarncmldekftvkvadpvkwmaleslqtqkftt ksdvwsfgvllwelmtrgappypdvntfditvyllqgrrllqpeycpdplyevmlkcwhp kaemrpsfselvsrisaifstfigehyvh