Chains and heterogens:
PDB Chain Sequences:
>1j14A (A:) ivggytcqensvpyqvslnsgyhfcggslindqwvvsaahcyksriqvrlgehninvleg neqfvnaakiikhpnfdretynndimliklsspvklnarvatvalpsscapagtqclisg wgntlssgvnepdllqcldapllpqadceasypgkitdnmvcvgfleggkdscqgdsggp vvcngelqgivswgygcalpdnpgvytkvcnyvdwiqdtiaan