Chains and heterogens:
PDB Chain Sequences:
>4nzzA (A:) mgsshhhhhhssglvprgshmasmtggqqmgrgmskqyinvngvnlhyiskgqgelmlfl hgfpdfshiwrhqidefsndfhtvaldlrgynlsekpsglesyeidvlvedirqvieglg yssctlvvhdwgagigwtfayrypeyvqkliafngphpytfmrelrtnknqqkaseymkw fqkqevqdymerdnfsglrklvidpgvkkgyltaddvqaymnswengsvlsmlsyyrnlk ifteedlrrkslfpleeevlnipvqiiwgnqdptfmpenldgieeyvpnisvhrlaeash apqhekpqevnnvmwnflnk
>4nzzA (A:) mskqyinvngvnlhyiskgqgelmlflhgfpdfshiwrhqidefsndfhtvaldlrgynl sekpsglesyeidvlvedirqvieglgyssctlvvhdwgagigwtfayrypeyvqkliaf ngphpytfmrelrtnknqqkaseymkwfqkqevqdymerdnfsglrklvidpgvkkgylt addvqaymnswengsvlsmlsyyrnlkifteedlrrkslfpleeevlnipvqiiwgnqdp tfmpenldgieeyvpnisvhrlaeashapqhekpqevnnvmwnflnk
>4nzzB (B:) mgsshhhhhhssglvprgshmasmtggqqmgrgmskqyinvngvnlhyiskgqgelmlfl hgfpdfshiwrhqidefsndfhtvaldlrgynlsekpsglesyeidvlvedirqvieglg yssctlvvhdwgagigwtfayrypeyvqkliafngphpytfmrelrtnknqqkaseymkw fqkqevqdymerdnfsglrklvidpgvkkgyltaddvqaymnswengsvlsmlsyyrnlk ifteedlrrkslfpleeevlnipvqiiwgnqdptfmpenldgieeyvpnisvhrlaeash apqhekpqevnnvmwnflnk
>4nzzB (B:) mskqyinvngvnlhyiskgqgelmlflhgfpdfshiwrhqidefsndfhtvaldlrgynl sekpsglesyeidvlvedirqvieglgyssctlvvhdwgagigwtfayrypeyvqkliaf ngphpytfmrelrtnknqqkaseymkwfqkqevqdymerdnfsglrklvidpgvkkgylt addvqaymnswengsvlsmlsyyrnlkifteedlrrkslfpleeevlnipvqiiwgnqdp tfmpenldgieeyvpnisvhrlaeashapqhekpqevnnvmwnflnk