Chains and heterogens:
PDB Chain Sequences:
>2ghgA (A:) avpfvedwdlvqtlgegaygevqlavnrvteeavavkivdmkravdcpenikkeicinkm lnhenvvkfyghrregniqylfleycsggelfdriepdigmpepdaqrffhqlmagvvyl hgigithrdikpenlllderdnlkisdfglatvfrynnrerllnkmcgtlpyvapellkr refhaepvdvwscgivltamlagelpwdqpsdscqeysdwkekktylnpwkkidsaplal lhkilvenpsaritipdikkdrwynkplk