Chains and heterogens:
PDB Chain Sequences:
>6ptzA (A:) gamgsmphrtihlfrkglrlhdnptllaalessetiypvyvldrrflasamhigalrwhf llqsledlhknlsrlgarllviqgeyesvlrdhvqkwnitqvtldaemepfykemeanir rlgaelgfevlsrvghslydtkrildlnggsppltykrflhilsqlgdpevpvrnltaed fqrcmspepglaeryrvpvpadleippqslspwtggeteglrrleqhltdqgwvanftkp rtipnsllpsttglspyfsmgclsvrtffqrlsniyaqakhhslppvslqgqllwreffy tvasatqnftqmagnpiclqihwdedaerlhkwktaqtgfpwidaimtqlrqegwihhla rhavacfltrgdlwisweegmkvfeellldadysinagnwmwlsasaffhhytrifcpvr fgkrtdpegqyirkylpvlknfptkyiyepwtaseeeqrqagciigrdypfpmvnhkeas drnlqlmrrvreeqrgtaqltr
>6ptzA (A:) mphrtihlfrkglrlhdnptllaalessetiypvyvldrrflasamhigalrwhfllqsl edlhknlsrlgarllviqgeyesvlrdhvqkwnitqvtldaemepfykemeanirrlgae lgfevlsrvghslydtkrildlnggsppltykrflhilsqlgdpevpvrnltaedfqrcm spepglaeryrvpvpadleippqslspwtggeteglrrleqhltdqsttglspyfsmgcl svrtffqrlsniyaqakhhslppvslqgqllwreffytvasatqnftqmagnpiclqihw dedaerlhkwktaqtgfpwidaimtqlrqegwihhlarhavacfltrgdlwisweegmkv feellldadysinagnwmwlsasaffhhytrifcpvrfgkrtdpegqyirkylpvlknfp tkyiyepwtaseeeqrqagciigrdypfpmvnhkeasdrnlqlmrrvreeqrgtaqltr