Chains and heterogens:
PDB Chain Sequences:
>2zafA (A:) mvdfklspsqlearrhaqafantvltkasaeystqkdqlsrfqatrpfyreavrhglika qvpiplggtmeslvhesiileelfavepatsitivatalglmpvilcdspslqekflkpf isgegeplaslmhsepngtanwlqkggpglqttarkvgnewvisgeklwpsnsggwdykg adlacvvcrvsddpskpqdpnvdpatqiavllvtretiannkkdayqilgepelaghitt sgphtrftefhvphenllctpglkaqglvetafamsaalvgamaigtaraafeealvfak sdtrggskhiiehqsvadklidckirletsrllvwkavttledealewkvklemamqtki yttdvavecvidamkavgmksyakdmsfprllnevmcyplfdggniglkrrqmqrvmale dyepwaatygsskvdksrl
>2zafA (A:) vdfklspsqlearrhaqafantvltkasaeystqkdqlsrfqatrpfyreavrhglikaq vpiplggtmeslvhesiileelfavepatsitivatalglmpvilcdspslqekflkpfi sgegeplaslmhsepngtanwlqkggpglqttarkvgnewvisgeklwpsnsggwdykga dlacvvcrvsddpskpqdpnvdpatqiavllvtretiannkkdayqilgepelaghitts gphtrftefhvphenllctpglkaqglvetafamsaalvgamaigtaraafeealvfaks dtrggskhiiehqsvadklidckirletsrllvwkavttledealewkvklemamqtkiy ttdvavecvidamkavgmksyakdmsfprllnevmcyplfdggniglkrrqmqrvmaled yepwaatygs
>2zafB (B:) mvdfklspsqlearrhaqafantvltkasaeystqkdqlsrfqatrpfyreavrhglika qvpiplggtmeslvhesiileelfavepatsitivatalglmpvilcdspslqekflkpf isgegeplaslmhsepngtanwlqkggpglqttarkvgnewvisgeklwpsnsggwdykg adlacvvcrvsddpskpqdpnvdpatqiavllvtretiannkkdayqilgepelaghitt sgphtrftefhvphenllctpglkaqglvetafamsaalvgamaigtaraafeealvfak sdtrggskhiiehqsvadklidckirletsrllvwkavttledealewkvklemamqtki yttdvavecvidamkavgmksyakdmsfprllnevmcyplfdggniglkrrqmqrvmale dyepwaatygsskvdksrl
>2zafB (B:) vdfklspsqlearrhaqafantvltkasaeystqkdqlsrfqatrpfyreavrhglikaq vpiplggtmeslvhesiileelfavepatsitivatalglmpvilcdspslqekflkpfi sgegeplaslmhsepngtanwlqkggpglqttarkvgnewvisgeklwpsnsggwdykga dlacvvcrvsddpskpqdpnvdpatqiavllvtretiannkkdayqilgepelaghitts gphtrftefhvphenllctpglkaqglvetafamsaalvgamaigtaraafeealvfaks dtrggskhiiehqsvadklidckirletsrllvwkavttledealewkvklemamqtkiy ttdvavecvidamkavgmksyakdmsfprllnevmcyplfdggniglkrrqmqrvmaled yepwaatygs
>2zafC (C:) mvdfklspsqlearrhaqafantvltkasaeystqkdqlsrfqatrpfyreavrhglika qvpiplggtmeslvhesiileelfavepatsitivatalglmpvilcdspslqekflkpf isgegeplaslmhsepngtanwlqkggpglqttarkvgnewvisgeklwpsnsggwdykg adlacvvcrvsddpskpqdpnvdpatqiavllvtretiannkkdayqilgepelaghitt sgphtrftefhvphenllctpglkaqglvetafamsaalvgamaigtaraafeealvfak sdtrggskhiiehqsvadklidckirletsrllvwkavttledealewkvklemamqtki yttdvavecvidamkavgmksyakdmsfprllnevmcyplfdggniglkrrqmqrvmale dyepwaatygsskvdksrl
>2zafC (C:) vdfklspsqlearrhaqafantvltkasaeystqkdqlsrfqatrpfyreavrhglikaq vpiplggtmeslvhesiileelfavepatsitivatalglmpvilcdspslqekflkpfi sgegeplaslmhsepngtanwlqkggpglqttarkvgnewvisgeklwpsnsggwdykga dlacvvcrvsddpskpqdpnvdpatqiavllvtretiannkkdayqilgepelaghitts gphtrftefhvphenllctpglkaqglvetafamsaalvgamaigtaraafeealvfaks dtrggskhiiehqsvadklidckirletsrllvwkavttledealewkvklemamqtkiy ttdvavecvidamkavgmksyakdmsfprllnevmcyplfdggniglkrrqmqrvmaled yepwaatygs
>2zafD (D:) mvdfklspsqlearrhaqafantvltkasaeystqkdqlsrfqatrpfyreavrhglika qvpiplggtmeslvhesiileelfavepatsitivatalglmpvilcdspslqekflkpf isgegeplaslmhsepngtanwlqkggpglqttarkvgnewvisgeklwpsnsggwdykg adlacvvcrvsddpskpqdpnvdpatqiavllvtretiannkkdayqilgepelaghitt sgphtrftefhvphenllctpglkaqglvetafamsaalvgamaigtaraafeealvfak sdtrggskhiiehqsvadklidckirletsrllvwkavttledealewkvklemamqtki yttdvavecvidamkavgmksyakdmsfprllnevmcyplfdggniglkrrqmqrvmale dyepwaatygsskvdksrl
>2zafD (D:) vdfklspsqlearrhaqafantvltkasaeystqkdqlsrfqatrpfyreavrhglikaq vpiplggtmeslvhesiileelfavepatsitivatalglmpvilcdspslqekflkpfi sgegeplaslmhsepngtanwlqkggpglqttarkvgnewvisgeklwpsnsggwdykga dlacvvcrvsddpskpqdpnvdpatqiavllvtretiannkkdayqilgepelaghitts gphtrftefhvphenllctpglkaqglvetafamsaalvgamaigtaraafeealvfaks dtrggskhiiehqsvadklidckirletsrllvwkavttledealewkvklemamqtkiy ttdvavecvidamkavgmksyakdmsfprllnevmcyplfdggniglkrrqmqrvmaled yepwaatygs