Chains and heterogens:
PDB Chain Sequences:
>2gcaA (A:) mnytetvayihsfprlaktgdhrriltllhalgnpqqqgryihvtgtngkgsaanaiahv leasgltvglytspfimrfnerimidhepipdaalvnavafvraalerlqqqqadfnvte fefitalgywyfrqrqvdvavievgiggdtdstnvitpvvsvltevaldhqkllghtita iakhkagiikrgipvvtgnlvpdaaavvaakvattgsqwlrfdrdfsvpkaklhgwgqrf tyedqdgrisdlevplvgdyqqrnmaiaiqtakvyakqtewpltpqnirqglaashwpar lekisdtplividgahnpdginglitalkqlfsqpitviagiladkdyaamadrltaafs tvylvpvpgtpralpeagyealhegrlkdswqealaaslndvpdqpivitgslylasavr qtllggks
>2gcaA (A:) mnytetvayihsfprlaktgdhrriltllhalgnpqqqgryihvtgtngkgsaanaiahv leasgltvglytspfimrfnerimidhepipdaalvnavafvraalerlqqqqadfnvte fefitalgywyfrqrqvdvavievgiggdtdstnvitpvvsvltevaldhqkllghtita iakhkagiikrgipvvtgnlvpdaaavvaakvattgsqwlrfdrdfsvpkaklhgwgqrf tyedqdgrisdlevplvgdyqqrnmaiaiqtakvyakqtewpltpqnirqglaashwpar lekisdtplividgahnpdginglitalkqlfsqpitviagilyaamadrltaafstvyl vpvpgtpralrlkdswqealaaslndvpdqpivitgslylasavrqtllg