Chains and heterogens:
PDB Chain Sequences:
>2ig2H (H:) evqlvqsgggvvqpgrslrlscsssgfifssyamywvrqapgkglewvaiiwddgsdqhy adsvkgrftisrndskntlflqmdslrpedtgvyfcardgghgfcssascfgpdywgqgt pvtvssastkgpsvfplapsskstsggtaalgclvkdyfpqpvtvswnsgaltsgvhtfp avlqssglyslssvvtvpssslgtqtyicnvnhkpsntkvdkrvepkscdkthtcppcpa pellggpsvflfppkpkdtlmisrtpevtcvvvdvshedpqvkfnwyvdgvqvhnaktkp reqqynstyrvvsvltvlhqnwldgkeykckvsnkalpapiektiskakgqprepqvytl ppsreemtknqvsltclvkgfypsdiavewesngqpennykttppvldsdgsfflysklt vdksrwqqgnvfscsvmhealhnhytqkslslspg
>2ig2H (H:) evqlvqsgggvvqpgrslrlscsssgfifssyamywvrqapgkglewvaiiwddgsdqhy adsvkgrftisrndskntlflqmdslrpedtgvyfcardgghgfcssascfgpdywgqgt pvtvssastkgpsvfplapsskstsggtaalgclvkdyfpqpvtvswnsgaltsgvhtfp avlqssglyslssvvtvpssslgtqtyicnvnhkpsntkvdkrvepkscdkthtcppcp
>2ig2L (L:) qsvltqppsasgtpgqrvtiscsgtssnigsstvnwyqqlpgmapklliyrdamrpsgvp drfsgsksgasaslaigglqsedetdyycaawdvslnayvfgtgtkvtvlgqpkanptvt lfppsseelqankatlvclisdfypgavtvawkadgspvkagvettkpskqsnnkyaass ylsltpeqwkshrsyscqvthegstvektvaptecs