Chains and heterogens:
PDB Chain Sequences:
>1n4vA (A:) dnggyvpavvigtgygaavsalrlgeagvqtlmlemgqlwnqpgpdgnifcgmlnpdkrs swfknrteaplgsflwldvvnrnidpyagvldrvnydqmsvyvgrgvgggslvnggmave pkrsyfeeilprvdssemydryfpransmlrvnhidtkwfedtewykfarvsreqagkag lgtvfvpnvydfgymqreaagevpksalateviygnnhgkqsldktylaaalgtgkvtiq tlhqvktirqtkdggyaltveqkdtdgkllatkeiscrylflgagslgstellvrardtg tlpnlnsevgagwgpngnimtaranhmwnptgahqssipalgidawdnsdssvfaeiapm pagletwvslylaitknpqrgtfvydaatdraklnwtrdqnapavnaakalfdrinkang tiyrydlfgtqlkafaddfcyhplggcvlgkatddygrvagyknlyvtdgslipgsvgvn pfvtitalaernveriikqdvtas
>1n4vA (A:) gyvpavvigtgygaavsalrlgeagvqtlmlemgqlwnqpgpdgnifcgmlnpdkrsswf knrteaplgsflwldvvnrnidpyagvldrvnydqmsvyvgrgvgggslvnggmavepkr syfeeilprvdssemydryfpransmlrvnhidtkwfedtewykfarvsreqagkaglgt vfvpnvydfgymqreaagevpksalateviygnnhgkqsldktylaaalgtgkvtiqtlh qvktirqtkdggyaltveqkdtdgkllatkeiscrylflgagslgstellvrardtgtlp nlnsevgagwgpngnimtaranhmwnptgahqssipalgidawdnsdssvfaeiapmpag letwvslylaitknpqrgtfvydaatdraklnwtrdqnapavnaakalfdrinkangtiy rydlfgtqlkafaddfcyhplggcvlgkatddygrvagyknlyvtdgslipgsvgvnpfv titalaernveriikqdvt