Chains and heterogens:
PDB Chain Sequences:
>3fk0A (A:) mesltlqpiarvdgtinlpgsksvsnralllaalahgktvltnlldsddvrhmlnaltal gvsytlsadrtrceiignggplhaegalelflgnagiamrslaaalclgsndivltgepr mkerpighlvdalrlggakityleqenypplrlqggftggnvdvdgsvssqfltallmta plapedtvirikgdlvskpyiditlnlmktfgveienqhyqqfvvkggqsyqspgtylve gdassasyflaaaaikggtvkvtgigrnsmqgdirfadvlekmgaticwgddyisctrge lnaidmdmnhipdaamtiataalfakgtttlrniynwrvketdrlfamatelrkvgaeve eghdyiritppeklnfaeiatyndhrmamcfslvalsdtpvtildpkctaktfpdyfeql arisqaa