Chains and heterogens:
PDB Chain Sequences:
>6ehaA (A:) merpqpdsmpqdlsealkeatkevhtqaenaefmrnfqkgqvtrdgfklvmaslyhiyva leeeiernkespvfapvyfpeelhrkaaleqdlafwygprwqevipytpamqryvkrlhe vgrtepellvahaytrylgdlsggqvlkkiaqkaldlpssgeglafftfpniasatkfkq lyrsrmnslemtpavrqrvieeaktafllniqlfeelqellthdtkdqspsrapglrqra snkvqdsapvetprgkpplntrsqapllrwvltlsflvatvavglyam
>6ehaA (A:) pqdlsealkeatkevhtqaenaefmrnfqkgqvtrdgfklvmaslyhiyvaleeeiernk espvfapvyfpeelhrkaaleqdlafwygprwqevipytpamqryvkrlhevgrtepell vahaytrylgdlsggqvlkkiaqkaldlpssgeglafftfpniasatkfkqlyrsrmnsl emtpavrqrvieeaktafllniqlfeelqellth
>6ehaB (B:) merpqpdsmpqdlsealkeatkevhtqaenaefmrnfqkgqvtrdgfklvmaslyhiyva leeeiernkespvfapvyfpeelhrkaaleqdlafwygprwqevipytpamqryvkrlhe vgrtepellvahaytrylgdlsggqvlkkiaqkaldlpssgeglafftfpniasatkfkq lyrsrmnslemtpavrqrvieeaktafllniqlfeelqellthdtkdqspsrapglrqra snkvqdsapvetprgkpplntrsqapllrwvltlsflvatvavglyam
>6ehaB (B:) pqdlsealkeatkevhtqaenaefmrnfqkgqvtrdgfklvmaslyhiyvaleeeiernk espvfapvyfpeelhrkaaleqdlafwygprwqevipytpamqryvkrlhevgrtepell vahaytrylgdlsggqvlkkiaqkaldlpssgeglafftfpniasatkfkqlyrsrmnsl emtpavrqrvieeaktafllniqlfeelqellth