Chains and heterogens:
PDB Chain Sequences:
>4h6kA (A:) sfvkdfkpqalgdtnlfkpikignnellhravippltrmralhpgnipnrdwaveyytqr aqrpgtmiitegafispqaggydnapgvwseeqmvewtkifnaihekksfvwvqlivlgw aafpdnlardglrydsasdnvfmdaeqeakakkannpqhsltkdeikqyikeyvqaakns iaagadgveihsangyllnqfldphsntrtdeyggsienrarftlevvdalveaighekv glrlspygvfnsmsggaetgivaqyayvagelekrakagkrlafvhlveprvtnpflteg egeyeggsndfvysiwkgpviragnfalhpevvreevkdkrtligygrffisnpdlvdrl ekglplnkydrdtfyqmsahgyidyptyeealklgwdkk