Chains and heterogens:
PDB Chain Sequences:
>4iv6A (A:) gpgsmaltaeeetivktvhdfvekqvkpvvrelehantypeelietmkeigifglaipep ygfgavsmpcyvqvaeelargwmslagamgghtvvskllllfgteeqkqkylprmatgel ratmaltepgggsdlqamrtvarrdgddyvingsktwisnarrsdlvalmcktdpdaqpa hkgvsillvekvpgfdvsrdlpklgykgvescelnftdarvpvssllgddegrgfaqmmk glevgrlqvaaratgvaraafedalrysqeresfgkpiwqhqsvgnmladmgtklyaars lllsaaekfdagqrcdmeagmaklfasetamqialdavrvhggygysteydveryfrdap lmivgegtneiqrnviakqlvarggldi
>4iv6A (A:) ltaeeetivktvhdfvekqvkpvvrelehantypeelietmkeigifglaipepygfgav smpcyvqvaeelargwmslagamgghtvvskllllfgteeqkqkylprmatgelratmal tepgggsdlqamrtvarrdgddyvingsktwisnarrsdlvalmcktdpdaqpahkgvsi llvekvpgfdvsrdlpklgykgvescelnftdarvpvssllgddegrgfaqmmkglevgr lqvaaratgvaraafedalrysqeresfgkpiwqhqsvgnmladmgtklyaarslllsaa ekfdagqrcdmeagmaklfasetamqialdavrvhggygysteydveryfrdaplmivge gtneiqrnviakqlvarggldi
>4iv6B (B:) gpgsmaltaeeetivktvhdfvekqvkpvvrelehantypeelietmkeigifglaipep ygfgavsmpcyvqvaeelargwmslagamgghtvvskllllfgteeqkqkylprmatgel ratmaltepgggsdlqamrtvarrdgddyvingsktwisnarrsdlvalmcktdpdaqpa hkgvsillvekvpgfdvsrdlpklgykgvescelnftdarvpvssllgddegrgfaqmmk glevgrlqvaaratgvaraafedalrysqeresfgkpiwqhqsvgnmladmgtklyaars lllsaaekfdagqrcdmeagmaklfasetamqialdavrvhggygysteydveryfrdap lmivgegtneiqrnviakqlvarggldi
>4iv6B (B:) altaeeetivktvhdfvekqvkpvvrelehantypeelietmkeigifglaipepygfga vsmpcyvqvaeelargwmslagamgghtvvskllllfgteeqkqkylprmatgelratma ltepgggsdlqamrtvarrdgddyvingsktwisnarrsdlvalmcktdpdaqpahkgvs illvekvpgfdvsrdlpklgykgvescelnftdarvpvssllgddegrgfaqmmkglevg rlqvaaratgvaraafedalrysqeresfgkpiwqhqsvgnmladmgtklyaarslllsa aekfdagqrcdmeagmaklfasetamqialdavrvhggygysteydveryfrdaplmivg egtneiqrnviakqlvarggldi