Chains and heterogens:
PDB Chain Sequences:
>5ktlA (A:) mrgshhhhhhgmasmtggqqmgrdlyddddkdrwgsvgdfgtvltamitpfkadgsvnya vaaelaahlvdngtdtlvvcgttgesptlswdeeynlfvevlqtvagkakviagcgsnst keaiaatqkaakigvhgtlqvvpyynkppqaglyqhfqaiaqacpdlplllynvpgrtgq nlspetvvrlaeidniigvxeasgnldqageirrstpkefqiyagddsltlpllaigakg vvsvashlvgnqlqqmiqafnsgqvtvasdihlrllplfkalfittnpipikqalklqgw evgstrpplsdadaevsqkleavmkhlnli
>5ktlA (A:) svgdfgtvltamitpfkadgsvnyavaaelaahlvdngtdtlvvcgttgesptlswdeey nlfvevlqtvagkakviagcgsnstkeaiaatqkaakigvhgtlqvvpyynkppqaglyq hfqaiaqacpdlplllynvpgrtgqnlspetvvrlaeidniigvxeasgnldqageirrs tpkefqiyagddsltlpllaigakgvvsvashlvgnqlqqmiqafnsgqvtvasdihlrl lplfkalfittnpipikqalklqgwevgstrpplsdadaevsqkleavmkhlnli
>5ktlB (B:) mrgshhhhhhgmasmtggqqmgrdlyddddkdrwgsvgdfgtvltamitpfkadgsvnya vaaelaahlvdngtdtlvvcgttgesptlswdeeynlfvevlqtvagkakviagcgsnst keaiaatqkaakigvhgtlqvvpyynkppqaglyqhfqaiaqacpdlplllynvpgrtgq nlspetvvrlaeidniigvxeasgnldqageirrstpkefqiyagddsltlpllaigakg vvsvashlvgnqlqqmiqafnsgqvtvasdihlrllplfkalfittnpipikqalklqgw evgstrpplsdadaevsqkleavmkhlnli
>5ktlB (B:) svgdfgtvltamitpfkadgsvnyavaaelaahlvdngtdtlvvcgttgesptlswdeey nlfvevlqtvagkakviagcgsnstkeaiaatqkaakigvhgtlqvvpyynkppqaglyq hfqaiaqacpdlplllynvpgrtgqnlspetvvrlaeidniigvxeasgnldqageirrs tpkefqiyagddsltlpllaigakgvvsvashlvgnqlqqmiqafnsgqvtvasdihlrl lplfkalfittnpipikqalklqgwevgstrpplsdadaevsqkleavmkhlnli