Chains and heterogens:
PDB Chain Sequences:
>2b1iA (A:) maarqqlallsvsekaglvefarslnalglgliasggtatalrdaglpvrdvsdltgfpe mlggrvktlhpavhagilarnipednadmnkqdfslvrvvvcnlypfvktvsspgvtvpe avekidiggvallraaaknharvtvvcdpadyssvakemaaskdkdtsvetrrhlalkaf thtaqydaaisdyfrkeyskgvsqlplrygmnphqspaqlyttrpklpltvvngspgfin lcdalnawqlvkelkqalgipaaasfkhvspagaavgiplseeeaqvcmvhdlhktltpl asayarsrgadrmssfgdfialsdicdvptakiisrevsdgvvapgyeeealkilskkkn ggycvlqmdpnyepddneirtlyglqlmqkrnnavidrslfknivtknktlpesavrdli vasiavkytqsnsvcyakdgqvigigagqqsrihctrlagdkanswwlrhhprvlsmkfk agvkraevsnaidqyvtgtigededlvkwqamfeevpaqlteaekkqwiakltavslssd affpfrdnvdrakrigvqfivapsgsaadevvieacnelgitlihtnlrlfhh
>2b1iA (A:) rqqlallsvsekaglvefarslnalglgliasggtatalrdaglpvrdvsdltgfpemlg grvktlhpavhagilarnipednadmnkqdfslvrvvvcnlypfvktvsspgvtvpeave kidiggvallraaaknharvtvvcdpadyssvakemaaskdkdtsvetrrhlalkaftht aqydaaisdyfrkeyskgvsqlplrygmnphqspaqlyttrpklpltvvngspgfinlcd alnawqlvkelkqalgipaaasfkhvspagaavgiplseeeaqvcmvhdlhktltplasa yarsrgadrmssfgdfialsdicdvptakiisrevsdgvvapgyeeealkilskkknggy cvlqmdpnyepddneirtlyglqlmqkrnnavidrslfknivtknktlpesavrdlivas iavkytqsnsvcyakdgqvigigagqqsrihctrlagdkanswwlrhhprvlsmkfkagv kraevsnaidqyvtgtigededlvkwqamfeevpaqlteaekkqwiakltavslssdaff pfrdnvdrakrigvqfivapsgsaadevvieacnelgitlihtnlrlfhh
>2b1iB (B:) maarqqlallsvsekaglvefarslnalglgliasggtatalrdaglpvrdvsdltgfpe mlggrvktlhpavhagilarnipednadmnkqdfslvrvvvcnlypfvktvsspgvtvpe avekidiggvallraaaknharvtvvcdpadyssvakemaaskdkdtsvetrrhlalkaf thtaqydaaisdyfrkeyskgvsqlplrygmnphqspaqlyttrpklpltvvngspgfin lcdalnawqlvkelkqalgipaaasfkhvspagaavgiplseeeaqvcmvhdlhktltpl asayarsrgadrmssfgdfialsdicdvptakiisrevsdgvvapgyeeealkilskkkn ggycvlqmdpnyepddneirtlyglqlmqkrnnavidrslfknivtknktlpesavrdli vasiavkytqsnsvcyakdgqvigigagqqsrihctrlagdkanswwlrhhprvlsmkfk agvkraevsnaidqyvtgtigededlvkwqamfeevpaqlteaekkqwiakltavslssd affpfrdnvdrakrigvqfivapsgsaadevvieacnelgitlihtnlrlfhh
>2b1iB (B:) rqqlallsvsekaglvefarslnalglgliasggtatalrdaglpvrdvsdltgfpemlg grvktlhpavhagilarnipednadmnkqdfslvrvvvcnlypfvktvsspgvtvpeave kidiggvallraaaknharvtvvcdpadyssvakemaaskdkdtsvetrrhlalkaftht aqydaaisdyfrkeyskgvsqlplrygmnphqspaqlyttrpklpltvvngspgfinlcd alnawqlvkelkqalgipaaasfkhvspagaavgiplseeeaqvcmvhdlhktltplasa yarsrgadrmssfgdfialsdicdvptakiisrevsdgvvapgyeeealkilskkknggy cvlqmdpnyepddneirtlyglqlmqkrnnavidrslfknivtknktlpesavrdlivas iavkytqsnsvcyakdgqvigigagqqsrihctrlagdkanswwlrhhprvlsmkfkagv kraevsnaidqyvtgtigededlvkwqamfeevpaqlteaekkqwiakltavslssdaff pfrdnvdrakrigvqfivapsgsaadevvieacnelgitlihtnlrlfhh