Chains and heterogens:
PDB Chain Sequences:
>1t6eX (X:) lpvlapvtkdpatslytipfhdgaslvldvagplvwstcdggqppaeipcssptcllana ypapgcpapscgsdkhdkpctaypynpvsgacaagslshtrfvanttdgskpvskvnvgv laacapskllaslprgstgvaglansglalpaqvasaqkvanrfllclptggpgvaifgg gpvpwpqftqsmpytplvtkggspahyisarsivvgdtrvpvpegalatggvmlstrlpy vllrpdvyrplmdaftkalaaqhangapvaraveavapfgvcydtktlgnnlggyavpnv qlgldggsdwtmtgknsmvdvkqgtacvafvemkgvaagdgrapavilggaqmedfvldf dmekkrlgfsrlphftgcggl
>1t6eX (X:) lpvlapvtkdpatslytipfhdgaslvldvagplvwstcdggqppaeipcssptcllana ypapgcpapsckpctaypynpvsgacaagslshtrfvanttdgskpvskvnvgvlaacap skllaslprgstgvaglansglalpaqvasaqkvanrfllclptggpgvaifgggpvpwp qftqsmpytplvtkggspahyisarsivvgdtrvpvpegalatggvmlstrlpyvllrpd vyrplmdaftkalaaqaraveavapfgvcydtktlgnnlggyavpnvqlgldggsdwtmt gknsmvdvkqgtacvafvemkgvapavilggaqmedfvldfdmekkrlgfsrlphftgcg gl