Chains and heterogens:
PDB Chain Sequences:
>3i4aA (A:) mgsshhhhhhssglvprgshmasmaglghpaafgrathavvralpeslgqhalrsakgee vdvaraerqhqlyvgvlgsklglqvvelpadeslpdcvfvedvavvceetalitrpgaps rrkevdmmkealeklqlnivemkdenatldggdvlftgreffvglskrtnqrgaeiladt fkdyavstvpvadglhlksfcsmagpnliaigssesaqkalkimqqmsdhrydkltvpdd iaanciylnipnkghvllhrtpeeypesakvyeklkdhmlipvsmselekvdglltccsv linkkvds
>3i4aA (A:) aafgrathavvralpeslgqhalrsakgeevdvaraerqhqlyvgvlgsklglqvvelpa deslpdcvfvedvavvceetalitrpgapsrrkevdmmkealeklqlnivemkdenatld ggdvlftgreffvglskrtnqrgaeiladtfkdyavstvpvadglhlksfcsmagpnlia igssesaqkalkimqqmsdhrydkltvpddiaanciylnipnkghvllhrtpeeypesak vyeklkdhmlipvsmselekvdglltccsvlinkk
>3i4aB (B:) mgsshhhhhhssglvprgshmasmaglghpaafgrathavvralpeslgqhalrsakgee vdvaraerqhqlyvgvlgsklglqvvelpadeslpdcvfvedvavvceetalitrpgaps rrkevdmmkealeklqlnivemkdenatldggdvlftgreffvglskrtnqrgaeiladt fkdyavstvpvadglhlksfcsmagpnliaigssesaqkalkimqqmsdhrydkltvpdd iaanciylnipnkghvllhrtpeeypesakvyeklkdhmlipvsmselekvdglltccsv linkkvds
>3i4aB (B:) aafgrathavvralpeslgqhalrsakgeevdvaraerqhqlyvgvlgsklglqvvelpa deslpdcvfvedvavvceetalitrpgapsrrkevdmmkealeklqlnivemkdenatld ggdvlftgreffvglskrtnqrgaeiladtfkdyavstvpvadglhlksfcsmagpnlia igssesaqkalkimqqmsdhrydkltvpddiaanciylnipnkghvllhrtpeeypesak vyeklkdhmlipvsmselekvdglltccsvlinkk