Chains and heterogens:
PDB Chain Sequences:
>1wd3A (A:) mgpcdiyeagdtpcvaahsttralyssfsgalyqlqrgsddttttispltaggiadasaq dtfcanttclitiiydqsgngnhltqappggfdgpdtdgydnlasaigapvtlngqkayg vfmspgtgyrnneatgtatgdeaegmyavldgthyndaccfdygnaetsstdtgaghmea iylgnsttwgygagdgpwimvdmennlfsgadegynsgdpsisyrfvtaavkggadkwai rganaasgslstyysgarpdysgynpmskegaiilgiggdnsngaqgtfyegvmtsgyps ddtensvqenivaakyvvgslvsgpsftsgevvslrvttpgyttryiahtdttvntqvvd ddssttlkeeaswtvvtglansqcfsfesvdtpgsyirhynfelllnandgtkqfhedat fcpqaalngegtslrswsyptryfrhyenvlyaasnggvqtfdsktsfnndvsfeietaf as