Chains and heterogens:
PDB Chain Sequences:
>1ea7A (A:) rasqqipwgikaiynndtltsttggsginiavldtgvntshpdlvnnveqckdftgattp innsctdrnghgthvagtaladggsdqagiygvapdadlwaykvlldsgsgysddiaaai rhaadqatatgtktiismslgssannslissavnyayskgvlivaaagnsgysqgtigyp galpnaiavaalenvqqngtyrvadyssrgyistagdyviqegdieisapgssvystwyn ggyntisgtsmatphvsglaakiwaenpslsntqlrsnlqeraksvdikggygaaigddy asgfgfarvq