Chains and heterogens:
PDB Chain Sequences:
>1pvxA (A:) gttpnsegwhdgyyyswwsdgggdstytnnsggtyeitwgnggnlvggkgwnpglnarai hftgvyqpngtsylsvygwtrnplveyyivenfgssnpssgstdlgtvscdgstytlgqs trynapsidgtqtfnqywsvrqdkrssgtvqtgchfdawasaglnvtgdhyyqivategy fssgyaritvadvg