Chains and heterogens:
PDB Chain Sequences:
>2iwiA (A:) smltkplqgppappgtptpppggkdreafeaeyrlgpllgkggfgtvfaghrltdrlqva ikviprnrvlgwsplsdsvtcplevallwkvgaggghpgvirlldwfetqegfmlvlerp lpaqdlfdyitekgplgegpsrcffgqvvaaiqhchsrgvvhrdikdenilidlrrgcak lidfgsgallhdepytdfdgtrvysppewisrhqyhalpatvwslgillydmvcgdipfe rdqeileaelhfpahvspdccalirrclapkpssrpsleeilldpwmqtpaedvplnpsk ggpaplawsllp
>2iwiA (A:) yrlgpllgkggfgtvfaghrltdrlqvaikviprnrvlvtcplevallwkvgaggghpgv irlldwffmlvlerplpaqdlfdyitekgplgegpsrcffgqvvaaiqhchsrgvvhrdi kdenilidlrrgcaklidfgsgallhdepytdfdgtrvysppewisrhqyhalpatvwsl gillydmvcgdipferdqeileaelhfpahvspdccalirrclapkpssrpsleeilldp wmqt
>2iwiB (B:) smltkplqgppappgtptpppggkdreafeaeyrlgpllgkggfgtvfaghrltdrlqva ikviprnrvlgwsplsdsvtcplevallwkvgaggghpgvirlldwfetqegfmlvlerp lpaqdlfdyitekgplgegpsrcffgqvvaaiqhchsrgvvhrdikdenilidlrrgcak lidfgsgallhdepytdfdgtrvysppewisrhqyhalpatvwslgillydmvcgdipfe rdqeileaelhfpahvspdccalirrclapkpssrpsleeilldpwmqtpaedvplnpsk ggpaplawsllp
>2iwiB (B:) gkdreafeaeyrlgpllgkggfgtvfaghrltdrlqvaikviprtcplevallwkvgagg ghpgvirlldwfefmlvlerplpaqdlfdyitekgplgegpsrcffgqvvaaiqhchsrg vvhrdikdenilidlrrgcaklidfgsgallhdepytdfdgtrvysppewisrhqyhalp atvwslgillydmvcgdipferdqeileaelhfpahvspdccalirrclapkpssrpsle eilldpwmq