Chains and heterogens:
PDB Chain Sequences:
>3ah4A (A:) wimsqtnandlrnnevffispsnntnkvldkisqsevklwnklsganqkwrliydtnkqa ykikvmdntsliltwnaplssvsvktdtngdnqywyllqnyisrnviirnymnpnlvlqy niddtlmvstqtsssnqffkfsnciyealnnrncklqtqlnsdrflsknlnsqiivlwqw fdssrqkwiieynetksaytlkcqennryltwiqnsnnyvetyqstdsliqywninyldn daskyilynlqdtnrvldvynsqiangthvivdsyhgntnqqwiinli
>3ah4A (A:) tnandlrnnevffispsnntnkvldkisqsevklwnklsganqkwrliydtnkqaykikv mdntsliltwnaplssvsvktdtngdnqywyllqnyisrnviirnymnpnlvlqyniddt lmvstqtsssnqffkfsnciyealnnrncklqtqlnsdrflsknlnsqiivlwqwfdssr qkwiieynetksaytlkcqennryltwiqnsnnyvetyqstdsliqywninyldndasky ilynlqdtnrvldvynsqiangthvivdsyhgntnqqwiinli
>3ah4B (B:) wimsqtnandlrnnevffispsnntnkvldkisqsevklwnklsganqkwrliydtnkqa ykikvmdntsliltwnaplssvsvktdtngdnqywyllqnyisrnviirnymnpnlvlqy niddtlmvstqtsssnqffkfsnciyealnnrncklqtqlnsdrflsknlnsqiivlwqw fdssrqkwiieynetksaytlkcqennryltwiqnsnnyvetyqstdsliqywninyldn daskyilynlqdtnrvldvynsqiangthvivdsyhgntnqqwiinli
>3ah4B (B:) sqtnandlrnnevffispsnntnkvldkisqsevklwnklsganqkwrliydtnkqayki kvmdntsliltwnaplssvsvktdtngdnqywyllqnyisrnviirnymnpnlvlqynid dtlmvstqtsssnqffkfsnciyealnnrncklqtqlnsdrflsknlnsqiivlwqwfds srqkwiieynetksaytlkcqennryltwiqnsnnyvetyqstdsliqywninyldndas kyilynlqdtnrvldvynsqiangthvivdsyhgntnqqwiinli