Chains and heterogens:
PDB Chain Sequences:
>4nxsA (A:) ldnglartptmgwlhwerfmcnldcqeepdsciseklfmemaelmvsegwkdagyeylci ddcwmapqrdsegrlqadpqrfphgirqlanyvhskglklgiyadvgnktcagfpgsfgy ydidaqtfadwgvdllkfdgcycdslenladgykhmslalnrtgrsivyscewplymwpf qkpnyteirqycnhwrnfadiddswksiksildwtsfnqerivdvagpggwndpdmlvig nfglswnqqvtqmalwaimaaplfmsndlrhispqakallqdkdviainqdplgkqgyql rqgdnfevwerplsglawavaminrqeiggprsytiavaslgkgvacnpacfitqllpvk rklgfyewtsrlrshinptgtvllqlentmqmslkdll
>4nxsA (A:) ldnglartptmgwlhwerfmcnldcqeepdsciseklfmemaelmvsegwkdagyeylci ddcwmapqrdsegrlqadpqrfphgirqlanyvhskglklgiyadvgnktcagfpgsfgy ydidaqtfadwgvdllkfdgcycdslenladgykhmslalnrtgrsivyscewplymwpf qkpnyteirqycnhwrnfadiddswksiksildwtsfnqerivdvagpggwndpdmlvig nfglswnqqvtqmalwaimaaplfmsndlrhispqakallqdkdviainqdplgkqgyql rqgdnfevwerplsglawavaminrqeiggprsytiavaslgkgvacnpacfitqllpvk rklgfyewtsrlrshinptgtvllqlentm
>4nxsB (B:) ldnglartptmgwlhwerfmcnldcqeepdsciseklfmemaelmvsegwkdagyeylci ddcwmapqrdsegrlqadpqrfphgirqlanyvhskglklgiyadvgnktcagfpgsfgy ydidaqtfadwgvdllkfdgcycdslenladgykhmslalnrtgrsivyscewplymwpf qkpnyteirqycnhwrnfadiddswksiksildwtsfnqerivdvagpggwndpdmlvig nfglswnqqvtqmalwaimaaplfmsndlrhispqakallqdkdviainqdplgkqgyql rqgdnfevwerplsglawavaminrqeiggprsytiavaslgkgvacnpacfitqllpvk rklgfyewtsrlrshinptgtvllqlentmqmslkdll
>4nxsB (B:) ldnglartptmgwlhwerfmcnldcqeepdsciseklfmemaelmvsegwkdagyeylci ddcwmapqrdsegrlqadpqrfphgirqlanyvhskglklgiyadvgnktcagfpgsfgy ydidaqtfadwgvdllkfdgcycdslenladgykhmslalnrtgrsivyscewplymwpf qkpnyteirqycnhwrnfadiddswksiksildwtsfnqerivdvagpggwndpdmlvig nfglswnqqvtqmalwaimaaplfmsndlrhispqakallqdkdviainqdplgkqgyql rqgdnfevwerplsglawavaminrqeiggprsytiavaslgkgvacnpacfitqllpvk rklgfyewtsrlrshinptgtvllqlentmq