Chains and heterogens:
PDB Chain Sequences:
>1bwlA (A:) sfvkdfkpqalgdtnlfkpikignnellhravippltrmralhpgnipnrdwaveyytqr aqrpgtmiitegafispqaggydnapgvwseeqmvewtkifnaihekksfvwvqlwvlgw aafpdnlardglrydsasdnvfmdaeqeakakkannpqhsltkdeikqyikeyvqaakns iaagadgveinsahgyllnqfldphsntrtdeyggsienrarftlevvdalveaighekv glrlspygvfnsmsggaetgivaqyayvagelekrakagkrlafvhlveprvtnpflteg egeyeggsndfvysiwkgpviragnfalhpevvreevkdkrtligygrffisnpdlvdrl ekglplnkydrdtfyqmsahgyidyptyeealklgwdks