Chains and heterogens:
PDB Chain Sequences:
>1qvjA (A:) enshnkartspypgskversqvpnekvgwlvewqdykpveytavsvlagprwadpqises nfspkfnekdghverksknglyeiengrprnpagrtglvgrgllgrwgpnhaadpiitrw krdssgnkimhpvsgkhilqfvaikrkdcgewaipggmvdpgekisatlkrefgeealns lqktsaekreieeklhklfsqdhlviykgyvddprntdnawmeteavnyhdetgeimdnl mleagddagkvkwvdindklklyashsqfiklvaekrdahwsedseadchal