Chains and heterogens:
PDB Chain Sequences:
>1r46A (A:) ldnglartptmgwlhwerfmcnldcqeepdsciseklfmemaelmvsegwkdagyeylci ddcwmapqrdsegrlqadpqrfphgirqlanyvhskglklgiyadvgnktcagfpgsfgy ydidaqtfadwgvdllkfdgcycdslenladgykhmslalnrtgrsivyscewplymwpf qkpnyteirqycnhwrnfadiddswksiksildwtsfnqerivdvagpggwndpdmlvig nfglswnqqvtqmalwaimaaplfmsndlrhispqakallqdkdviainqdplgkqgyql rqgdnfevwerplsglawavaminrqeiggprsytiavaslgkgvacnpacfitqllpvk rklgfyewtsrlrshinptgtvllqlentmqmslkdll
>1r46A (A:) ldnglartptmgwlhwerfmcnldcqeepdsciseklfmemaelmvsegwkdagyeylci ddcwmapqrdsegrlqadpqrfphgirqlanyvhskglklgiyadvgnktcagfpgsfgy ydidaqtfadwgvdllkfdgcycdslenladgykhmslalnrtgrsivyscewplymwpf qkpnyteirqycnhwrnfadiddswksiksildwtsfnqerivdvagpggwndpdmlvig nfglswnqqvtqmalwaimaaplfmsndlrhispqakallqdkdviainqdplgkqgyql rqgdnfevwerplsglawavaminrqeiggprsytiavaslgkgvacnpacfitqllpvk rklgfyewtsrlrshinptgtvllqlentm
>1r46B (B:) ldnglartptmgwlhwerfmcnldcqeepdsciseklfmemaelmvsegwkdagyeylci ddcwmapqrdsegrlqadpqrfphgirqlanyvhskglklgiyadvgnktcagfpgsfgy ydidaqtfadwgvdllkfdgcycdslenladgykhmslalnrtgrsivyscewplymwpf qkpnyteirqycnhwrnfadiddswksiksildwtsfnqerivdvagpggwndpdmlvig nfglswnqqvtqmalwaimaaplfmsndlrhispqakallqdkdviainqdplgkqgyql rqgdnfevwerplsglawavaminrqeiggprsytiavaslgkgvacnpacfitqllpvk rklgfyewtsrlrshinptgtvllqlentmqmslkdll
>1r46B (B:) ldnglartptmgwlhwerfmcnldcqeepdsciseklfmemaelmvsegwkdagyeylci ddcwmapqrdsegrlqadpqrfphgirqlanyvhskglklgiyadvgnktcagfpgsfgy ydidaqtfadwgvdllkfdgcycdslenladgykhmslalnrtgrsivyscewplymwpf qkpnyteirqycnhwrnfadiddswksiksildwtsfnqerivdvagpggwndpdmlvig nfglswnqqvtqmalwaimaaplfmsndlrhispqakallqdkdviainqdplgkqgyql rqgdnfevwerplsglawavaminrqeiggprsytiavaslgkgvacnpacfitqllpvk rklgfyewtsrlrshinptgtvllqlentmq