Chains and heterogens:
PDB Chain Sequences:
>1ezuA (A:) svqplekiapypqaekgmkrqviqltpqedestlkvelligqtlevdcnlhrlggklenk tlegwgfpyyvfdkvsspvstmmacpdgkkekkfvtaylgdagmlrynsklpivvytpdn vdvkyrvwkaeekidnavvr
>1ezuB (B:) svqplekiapypqaekgmkrqviqltpqedestlkvelligqtlevdcnlhrlggklenk tlegwgfpyyvfdkvsspvstmmacpdgkkekkfvtaylgdagmlrynsklpivvytpdn vdvkyrvwkaeekidnavvr
>1ezuC (C:) ivggytcqensvpyqvslnsgyhfcggslindqwvvsaahcyksriqvrlgehninvleg deqfvnaakiikhpnfdrktlnnnimliklsspvklnarvatvalpsscapagtqclisg wgntlssgvnepdllqcldapllpqadceasypgkitdnmvcvgfleggkdscqgdsggp vvcngelqgivswgygcalpdnpgvytkvcnyvdwiqdtiaan
>1ezuD (D:) ivggytcqensvpyqvslnsgyhfcggslindqwvvsaahcyksriqvrlgehninvleg deqfvnaakiikhpnfdrktlnnnimliklsspvklnarvatvalpsscapagtqclisg wgntlssgvnepdllqcldapllpqadceasypgkitdnmvcvgfleggkdscqgdsggp vvcngelqgivswgygcalpdnpgvytkvcnyvdwiqdtiaan