Chains and heterogens:
PDB Chain Sequences:
>1c1mA (A:) vvggteaqrnswpsqislqyrsgsswahtcggtlirqnwvmtaahcvdreltfrvvvgeh nlnqndgteqyvgvqkivvhpywntddvaagydiallrlaqsvtlnsyvqlgvlpragti lannspcyitgwgltrtngqlaqtlqqaylptvdyaicssssywgstvknsmvcaggdgv rsgcqgdsggplhclvngqyavhgvtsfvsrlgcnvtrkptvftrvsayiswinnviasn