Chains and heterogens:
PDB Chain Sequences:
>1qwzA (A:) ghhhhhhhhhhssghisgdamedkqeranyeklqqkfqmlmskhqahvrpqfeslekink divgwiklsgtslnypvlqgktnhdylnldferehrrkgsifmdfrnelknlnhntilyg hhvgdntmfdvledylkqsfyekhkiiefdnkygkyqlqvfsayktttkdnyirtdfend qdyqqfldetkrksvinsdvnvtvkdrimtlstcedaysettkrivvvakiikvs