Chains and heterogens:
PDB Chain Sequences:
>1ddiA (A:) ihtspyskdaplvaslsvnqkitgrnsekdvrhieidlgdsglryqpgdalgvwyqndpa lvkelvellwlkgdepvtvegktlplnealqwhfeltvntanivenyatltrsetllplv gdkaklqhyaattpivdmvrfspaqldaealinllrpltprlysiassqaevenevhvtv gvvrydvegraraggassfladrveeegevrvfiehndnfrlpanpetpvimigpgtgia pfrafmqqraadeapgknwlffgnphftedflyqvewqryvkegvltridlawsrdqkek vyvqdklreqgaelwrwindgahiyvcgdanrmakdveqalleviaefggmdteaadefl selrverryqrdvy