Chains and heterogens:
PDB Chain Sequences:
>1rhd_ (-) vhqvlyralvstkwlaesvragkvgpglrvldaswyspgtrearkeylerhvpgasffdi eecrdkaspyevmlpseagfadyvgslgisndthvvvyngddlgsfyaprvwwmfrvfgh rtvsvlnggfrnwlkeghpvtsepsrpepaifkatlnrsllktyeqvlenleskrfqlvd sraqgrylgtqpepdavgldsghirgsvnmpfmdfltengfekspeelramfeakkvdlt kpliatcrkgvtachialaaylcgkpdvaiydgswfewfhrappetwvsqgkg