Chains and heterogens:
PDB Chain Sequences:
>1x8tA (A:) mesltlqpiarvdgtinlpgsksvsnralllaalahgktvltnlldsddvrhmlnaltal gvsytlsadrtrceiignggplhaegalelflgnagtamrplaaalclgsndivltgepr mkerpighlvdalrlggakityleqenypplrlqggftggnvdvdgsvssqfltallmta plapedtvirikgdlvskpyiditlnlmktfgveienqhyqqfvvkggqsyqspgtylve gdassasyflaaaaikggtvkvtgigrnsmqgdirfadvlekmgaticwgddyisctrge lnaidmdmnhipdaamtiataalfakgtttlrniynwrvketdrlfamatelrkvgaeve eghdyiritppeklnfaeiatyndhrmamcfslvalsdtpvtildpkctaktfpdyfeql arisqaa