Chains and heterogens:
PDB Chain Sequences:
>1l2bA (A:) mpelpevetirrtllplivgktiedvrifwpniirhprdseafaarmigqtvrglerrgk flkflldrdalishlrmegryavasaleplephthvvfcftdgselryrdvrkfgtmhvy akeeadrrpplaelgpeplspafspavlaeravktkrsvkallldqtvvagfgniyvdes lfragilpgrpaaslsskeierlheemvatigeavmkggstvrtyvntqgeagtfqhhly vygrqgnpckrcgtpiektvvagrgthycprcqr
>1l2bA (A:) pelpevetirrtllplivgktiedvrifwpniirhprdseafaarmigqtvrglerrgkf lkflldrdalishlrmegryavasaleplephthvvfcftdgselryrdvrkfgtmhvya keeadrrpplaelgpeplspafspavlaeravktkrsvkallldqtvvagfgniyvdesl fragilpgrpaaslsskeierlheemvatigeavmkggstvrgtfqhhlyvygrqgnpck rcgtpiektvvagrgthycprcqr